KEM Küppers Archives - solutioncontrol.8content.com

Local Displays (VTC/VIC)

The VTC/VIC are high precision 4 – 20 mA pickups with a display and a frequency output.

All versions come with a graphic display, an intuitive user interface, a scalable 4 – 20 mA output, a 20 point linearization and a digital output for flow, limit and batching. K-factor and display dimension are freely settable for adapting the unit to any meter and application.

The VTC have a carrier frequency pickup, the VIC an inductive pickup. As an alternative to the proprietary KEM interface, a USB or HART interface is available.

For fast test setups in the lab and easy setup of individual parameters, the PC based control SW EasyControl for WINDOWS is available free of charge.

Technical Data

Carrier frequency or inductive pickup
Analog Output: 4 – 20 mA passive (2 wire)
Frequency output, freely scalable, Push Pull or NAMUR
20 point linearization of the measured value, 3 banks
Control input
KEM interface (standard) or USB or HART
Ex Protection: ATEX Ex II 2G Ex ia IIC T4 Gb

Features

High accuracy
Intuitive user interface
Remote control SW free of charge

Accessories

Interface Converter for devices with KEM interface (CON.USB.WT)
24 V Wall Plugin Power Supply (SN1-24)

Local Displays (VTG/VIG)

The VTG/VIG are high precision 4 – 20 mA pickups with a display and a frequency output.

The VTG have a carrier frequency pickup, the VIG an inductive pickup. As an alternative to the proprietary KEM interface, a USB or HART interface is available.

For fast test setups in the lab and easy setup of individual parameters, the PC based control SW EasyControl for WINDOWS is available free of charge.

Technical Data

Carrier frequency or inductive pickup
Analog Output: 4 to 20 mA passive (2 wire)
Frequency output, freely scalable, Push Pull or NAMUR
20 point linearization of the measured value, 3 banks
Control input
KEM interface (standard) or USB or HART
Ex Protection: ATEX Ex II 2G Ex ia IIC T4 Gb

Features

High accuracy
Intuitive user interface
Remote control SW free of charge

Accessories

24 V Wall Plugin Power Supply (SN1-24)

Local Display (FlowPod)

The FlowPod display analysis unit is a high-precision 2- or 4-wire 4 – 20 mA display. All devices of the series have a graphical interface, intuitive user guidance, an adjustable 4 – 20 mA output, a linearization option and a digital output for flow, limit and batch. Since K-factor and dimension are freely selectable, they can be adapted to each flow meter and for each application.

The FlowPod display also has a memory card interface that allows easy transfer of calibration data in the field without removing the FlowPod.

The display can either be direct mounted or remote mounted with a suitable armored signal cable. The standard specification includes the HART 7-protocol on a 2- or 4-wire 24 V DC powered system.

The FlowPod display with stainless steel housing is designed for applications in the oil & gas sector, for example installations on oil platforms in salty air.

Technical Data

Carrier frequency, inductive or Reed switch input
Analog Output: 4 to 20 mA passive (2-wire)
HART 7 interface
2x configurable switch outputs for alarm, pulse or batch
Operating Temperature: ‐20 °C up to +75 °C [‐4 °F up to +167 °F]
20+ point linearization of the measured value
Ingress Protection: IP66/68 – NEMA 4X
ATEX, IECEx

Features

Explosion-proof (Exd/XP)
Lightweight DIN 1.4401 [AISI 316] stainless steel housing
Screwless design for quick and easy on-site installation
Calibration data transmission by memory card
FRAM memory

Accessories

Explosion-proof Sensor Adaptor with Exd Certification (SV Adaptor)

Panel Mount Displays (FAS 100)

The FAS 100 are high precision frequency meter for panel mount, with control outputs.

All versions come with a graphic display, an intuitive user interface, a scalable 4 – 20 mA output and a frequency output. K-factor and display dimension are freely settable for adapting the unit to any meter and application. The input fits to pickups with 24 V frequency output.

Optional features are a 20 point linearization, control in- and outputs for batching or limit surveillance and a built in RS485 interface.

For fast test setups in the lab and easy setup of individual parameters, the PC based control SW EasyControl for WINDOWS is available free of charge.

Technical Data

Frequency input for 24V digital signals
Analog Output: 4 to 20 mA
24 V frequency output, freely scalable
20 point linearization of the measured value
Control input and Control input
RS485 interface

Features

High accuracy
Intuitive user interface
Remote control SW free of charge

Accessories

Interface Converter USB to RS485 (CON.USB.RS-ISO)
DIN Rail Adaptor for panel mount housings (HSA)
Protective Cover for panel mount housings (IPS)
24 V Wall Plugin Power Supply (SN1-24)

Wall Mount Displays (FAW 100)

The FAW 100 are high precision frequency meter for panel mount, with control outputs.

The input fits to pickups with 24 V frequency output. Optional features are a 20 point linearization, control in- and outputs for batching or limit surveillance and a built in RS485 interface. For direct mains supply a version with wide range input (100 to 240 V AC) is available.

For fast test setups in the lab and easy setup of individual parameters, the PC based control SW EasyControl for WINDOWS is available free of charge.

Technical Data

Frequency input for 24 V digital signals
Analog Output: 4 to 20 mA
24V frequency output, freely scalable
20 point linearization of the measured value
Control input und Control input
RS485 interface
Power Supply: 24 V DC or 100 to 240 V AC

Features

High accuracy
Intuitive user interface
Remote control SW free of charge

Accessories

Interface Converter USB to RS485 (CON.USB.RS-ISO)
Protective Cover for panel mount housings (IPS)
24 V Wall Plugin Power Supply (SN1-24)

Frequency to Analog Converter (FAU 50)

The FAU is a microprocessor-based unit to convert the output frequencies of KEM flow meters in a range from 3 up to 5,000 Hz into a potential-free analogue signal with a resolution of 13 bit.

Technical Data

Analog Output: 0/2 to 10 V or 0/4 to 20 mA, Auflösung: 13 bit
Impedance Current Output: < 1,000 Ω
Impedance Voltage Output: > 3,000 Ω
1:1 Frequency Output: galvanically free, OC: 30 V, 50 mA
Divider Pulse Output: galvanically free, OC: 30 V, 50 mA
Pulsetime: 0.2 to 100 ms, programmable

Features

High accuracy: 0,015 %
Short response time
Easy parameter setting

Intrinsically Safe Supply Unit and separation amplifier (EWS)

Intrinsically safe supply circuit 12 V to supply intrinsically safe KEM pickups and amplifiers installed in hazardous areas.

Two intrinsically safe signal input circuits EX II (2)G [EEx ia] IIC to connect pickups and amplifiers NAMUR technique and active and passive pickups. LEDs will indicate short circuit and line breakage.

The EWS supplies KEM pickups and amplifiers installed in hazardous areas and transmits the output frequency of these pickups.

All in- and output circuits are isolated. The EWS must be installed outside hazardous areas.

Technical Data

Outputs:
- Open-Collector
- PLC output active 24 V
- NAMUR DIN 19234

ECO Pulse Amplifiers

Our ECO Pulse Amplifiers can be equipped with all KEM volume meters. The amplifier system includes a single tap with temperature range up to +150 °C and double tap for higher resolutions or bi-directional flow measurement with standardized push-pull output stage.

Features

Compact Design for volume meters
Medium temperatures up to +150 °C [+302 °F]
Frequency doubling
Detection of the flow direction
EMC Directive 2014/30/EU compliant

Benefits

Wide variety of applications with few sensors
Suitable for all mechanical meters
User-friendly (plug and play)
Short delivery times
Optimized for stockpiling

Technical Data

Supply Voltage: +12 up to 27 V DC, regulated
Quiescent Current: < 20 mA
Frequence Range: 1 up to 5,000 Hz
Ambient Temperature: -40 °C up to +60 °C [-40 °F up to +140 °F]
Medium Temperature: -40 °C up to +150 °C [-40 °F up to +302 °F], depending on version
Output Signal: 1:1-frequency or direction signal & double frequency
Ingress Protection: IP 65

Evaluation Electronics

Panel Mount Displays with analog and frequency output (FAS 100)
Wall Mount Displays with analog and frequency output (FAW 100)

Carrier-Frequency Pulse Amplifiers (VTE 04)

The carrier-frequency pickups detect the r.p.m. of KEM flow meters. Each passing of a tooth will be detected contactless and produces a pulse at the output. Therefore each pulse corresponds to a fixed volume and the frequency corrresponds to the volume flow. Versions with Push Pull output or NAMUR output (option: open collector output npn) are available.

The VTE 04 are directly plugged and screwed. There are suitable versions for ZHM01/1 and ZHM 01/2 in cartridge construction, as well as for the LFM.

Technical Data

Supply Voltage: U_B: +5 up to 30 V DC
Quiescent Current: I_R < 1 mA
Frequence Range: 0.5 up to 5,000 Hz depending on flow meter
Ambient Temperature: -40 °C up to +80 °C [-40 °F up to +176 °F], depending on version
Medium Temperature: -40 °C up to +80 °C [-40 °F up to +176 °F]
Output Signal: Push-Pull, Open-Collector (option) or NAMUR
Ex Protection:
- ATEX: II 2G Ex ia IIC T4 Gb
- IECEx:
  - Ex ia IIC T4 Gb cCSAus: Class I, Div. 1, Groups A, B, C, D ; T4
  - Ex ia IIC T4 Ga
  - Class I, Zone 0 AEx ia IIC T4 Ga

Evaluation Electronics

Panel Mount Displays with analog and frequency output (FAS 100)
Wall Mount Displays with analog and frequency output (FAW 100)
Frequency to Analog Converter (FAU 50)
Intrinsically Safe Supply Unit (EWS)

Inductive Pickups and Amplifiers (IF and VIEG)

Inductive pulse amplifier of serie IF are particularly suitable for measuring cells in aluminum housing and applications with high temperature (-196 °C up to +350 °C [320.8 °F up to +662 °F]). For all other applications we recommend the carrier frequency transducers of the VTE series.

The inductive pulse amplifier detect the r.p.m. of KEM flow meters. Each passing of a tooth will be detected contactless and produces a pulse at the output. Therefore each pulse corresponds to a fixed volume and the frequency corresponds to the volume flow.

The pickup is screwed into the meter via a thread M14×1.5 (option UNF ½”-20). Accordingly the IF and VIEG fit on all KEM measuring cells.

Technical Data

Supply Voltage: U_B: +7 up to 29 V DC
Quiescent Current: I_R < 4 mA Frequence Range: 7 up to 3,000 Hz depending on flow meter
Ambient Temperature: -40 °C up to +80 °C [-40 °F up to +176 °F]
Medium Temperature: max. +350 °C [+662 °F] depending on IF sensor
Output Signal: frequency output (various modes)
Ex Protection: II 2G EEx ia IIC T4-T6

Evaluation Electronics

Panel Mount Displays with analog and frequency output (FAS 100)
Wall Mount Displays with analog and frequency output (FAW 100)
Frequency to Analog Converter (FAU 50)
Intrinsically Safe Supply Unit (EWS)

Fiber Optical Amplifier and Lightpulse Receiver (FOP and OPTV)

The integral pickup detects the r.p.m. of the gears and the FOP provides a flow-proportional light pulse signal. The OPTV receiver will convert the light pulses into a current or voltage squarewave signal.

Technical Data

FOP 60
- Power Supply: lithium battery
- Ambient Temperature: -20 °C up to +50 °C [-4 °F up to +122 °F]
- Ex Protection, intrinsically safe:
  - ATEX: II 2 G EEx ia IIC T4/T5/T6
  - CSA: Ex ia IIC; Class I, Zone 0, AEx ia IIC
FOP 70
- Power Supply: lithium battery
- Ambient Temperature: -20 °C up to +70 °C [-4 °F up to +158 °F]
- Ex Protection, intrinsically safe:
  - ATEX: II 2G Ex ia IIC T4 Gb
  - IECEX: Ex ia IIC T4 Gb
OPTV
- Supply Voltage: U_B: +7 V up to +30 V
- Ambient Temperature: -20 °C up to +60 °C [-4 °F up to +140 °F]
- Output: frequency output
- Ex Protection: II2 G EEx ia IIC T6

Evaluation Electronics

Panel Mount Displays with analog and frequency output (FAS 100)
Wall Mount Displays with analog and frequency output (FAW 100)
Frequency to Analog Converter (FAU 50)
Intrinsically Safe Supply Unit (EWS)

Local Converters (WIE)

The converters are passive 4 – 20 mA sensors with inductive input stage. Both analogue and frequency output can be linearized with up to 10 points.

The inductive converters are recommended for higher medium temperatures up to +350 °C [+662 °F].

The integral interface and the KEM EasyControl software allow for free programming.

Technical Data

Output Signal: 4 – 20 mA, 2-wire (passive)
Supply Voltage: 12 – 30 V, regulated
Frequence Range: 1 up to 5,000 Hz depending on flow meter
Allowable Load: 20 mA, max. 800 Ω
Response Time: 250 ms (for input frequencies > 7 Hz)
Ambient Temperature: -40 °C up to +70 °C [-40 °F up to +158 °F]
Medium Temperature: -20 °C up to +350 °C [-4 °F up to +662 °F]

Evaluation Electronics

Panel Mount Displays with analog and frequency output (FAS 100)
Wall Mount Displays with analog and frequency output (FAW 100)
Intrinsically Safe Supply Unit (EWS)

Din Rail Mount Adapter (HSA)

Simple mounting of panel mount housings on a 35 mm DIN rail

The Din rail adaptors of the series HAS are for mounting units with panel mount housings on a Din rail. When using the adaptors, enough place is left between the housing and the DIN rail for the connecting cables.

Protective Cover (IPS)

Material: PVC soft
Protection Class: IP65

Features

Protection up to IP65
Operation through the closed protection cover

The protective covers of the series IPS are used to protect panel mount housings against water and pollution. The protective covers are made out of clear soft PVC that all displays remain well visible and that the pushbuttons still can be operated without removing the cover.

24 V Wall Plugin Power Supply (SN1-24)

Protection Class II
Primary:
- Supply Voltage 100 – 240 V AC ±10%
- Mains Frequency 47 – 63 Hz
- Euro Connector
Secondary:
- Voltage 24 V ±3%
- Current 250 mA max.
- Power 6 W max.; short circuit proof

The power supply SN1-24 is designed to operate units requiring a 24 V DC supply with 6 W maximum power from the mains. The SN1-24 is for indoor use only.

Explosion-proof Sensor Adaptor (SV ExD Sensor Adaptor)

The SV ExD sensor adapter is an explosion-proof amplifier option, which serves as a connector for all mechanical KEM meters and hazardous area displays. Due to its autonomous ATEX/IECEx certification it is an independent system and can be combined with KEM or third party displays. For its application field, the SV ExD sensor adapter is certified and applicable in the temperature range from -40 ° C to +85 ° C [-40 °F bis +185 °F].

The SV ExD sensor adapter allows the mounting of displays directly on mechanical flow meters or remotely with a suitable armored signal cable including junction box made of stainless steel. In combination with our FlowPod display with stainless steel housing, KEM assures a robust and reliable display unit, for example, in the application field oil & gas.

Features

Explosion-proof (Exd/XP)
ATEX/IECEx certified
360° rotatable, can be mounted in any position
Carrier frequency and inductive version
Material: DIN 1.4305 [AISI 303], DIN 1.4404 [AISI 316L]

Interface Converter (CON.USB.RS-ISO)

The interface adapter CON.USB.RS-ISO is used to connect devices with RS485 interface (TRICOR Coriolis, FAW 100 und FAS 100) to the USB interface of a PC. The corresponding software for remote control (EasyControl or TRICOR Configurator) can be downloaded in the Download area.

Interface Converter (CON.USB.WT)

The interface converter CON.USB.WT is for controlling units with interface via the USB interface of a PC. For controlling the unit the corresponding version of EasyControl is recommended. CON.USB.WT is for units with the KEM Interface (WT.02 and VTC with standard interface).

Turbine Flow Meters with Flange Connections (HM F)

for lubricating and non-lubricating media

The HM F turbine flow meter series (F for flange connections) is used to measure continuous and discontinuous flow rates. They are mainly used for lubrication and non-lubrication media. They are particularly suitable for low and medium viscosity liquids, such as water, emulsions, glycol mixtures and light oils.

Only high-grade steels that even withstand corrosive liquids are used in the production of turbine flow meters. There are no welding seams in contact with the media thanks to the innovative design. Combined with the use of tungsten carbide bearings, the HM F guarantees optimum measurement accuracy and an extremely long service life even under the toughest application conditions.

Technical Data

Measuring Ranges: 1 bis 10,000 l/min
Measuring Accuracy: up to ±0.5 %
Repeatability: ±0.05 % (in standard measuring range & under the same conditions)
Linearity: ±1 % of actual flow
Measuring Span:
- Standard: 1:10
- Extended: on request
Viscosity Range: 1 up to 10 mm²/s
Materials:
- Housing and internal parts: DIN 1.4404 [AISI 316L]
- Wheels: DIN 1.4462 [AISI S31803]
- Bearing: Tungsten carbide sleeve bearing
Pressure: 16 up to 250 bar [232 up to 3,626 psi]
Medium Temperature: -60 °C up to +350 °C [-76 °F up to +662 °F]

Turbine Flow Meters with BSPP Threads (HM R)

for lubricating and non-lubricating media

The HM R turbine flow meter series (R for Female Inch Threads) is used to measure continuous and discontinuous flow rates. They are mainly used for lubrication and non-lubrication media. They are particularly suitable for low and medium viscosity liquids, such as water, emulsions, glycol mixtures and light oils. Even the measurement of cryogenic fluids is possible.

Only high-grade steels that even withstand corrosive liquids are used in the production of turbine flow meters. The installation dimensions and size are minimized thanks to the innovative design, making it suitable for applications in confined spaces. Combined with the use of tungsten carbide bearings, the HM R guarantees optimum measurement accuracy and an extremely long service life even under the toughest application conditions.

Technical Data
Measuring Ranges: 0.3 up to 400 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±1 % of actual flow
Measuring Span:
Standard: 1:10
Extended: on request
Viscosity Range: 0.8 up to 30 mm²/s
Materials:
Housing: as per DIN 1.4404 [AISI 316L] (others on request)
Wheels: as per DIN 1.4460 [AISI 329] (others on request)
Bearing: Tungsten carbide sleeve bearing
Pressure: up to 630 bar [9,140 psi]
Medium Temperature: -60 °C up to +350 °C [-70 °F up to +662 °F]

Turbine Flow Meters with Ermeto Fittings (HM E)

for lubricating and non-lubricating media

The HM E turbine flow meter series (E for Ermeto Fittings) is used to mea¬sure continuous and discontinuous flow rates. They are mainly used for lubrication and non-lubrication media. They are particularly suitable for low and medium viscosity liquids, such as water, emulsions, glycol mixtures and light oils. Even the measurement of cryogenic fluids is possible.

Only high-grade steels that even withstand corrosive liquids are used in the production of turbine flow meters. Combined with the use of tungsten carbide bearings, the HM E guarantees optimum measurement accuracy and an ex¬tremely long service life even under the toughest application conditions.

Technical Data
Measuring Ranges: 0.3 up to 500 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±1 % of actual flow
Measuring Span:
Standard: 1:10
Extended: on request
Viscosity Range: 0.8 up to 30 mm²/s
Materials:
Housing: as per DIN 1.4404 [AISI 316L] (others on request)
Wheels: as per DIN 1.4460 [AISI 329] (others on request)
Bearing: Tungsten carbide sleeve bearing
Pressure: up to 630 bar [9,140 psi]
Medium Temperature: -60 °C up to +350 °C [-76 °F up to +662 °F]

Turbine Flow Meters (HM Subsea)

for Subsea Immersion Applications

The HM Turbine Flow Meters for Subsea Immersion Applications are reliable, durable and robust flow instruments, specifically developed for challenging subsea flow applications. They are primarily used in applications with low and medium viscosity liquids, such as seawater, glycol mixtures and various hydraulic fluids.

Only high-quality stainless steels, which even withstand corrosive liquids, are used in the production of our Turbine Flow Meters. In combination with tungsten carbide bearings, the HM Subsea Series guarantees an optimum measurement accuracy as well as an extremely long service life even under the toughest application conditions.

Technical Data
Measuring Ranges: 0.3 up to 500 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±1 % of actual flow
Measuring Span:
Standard: 1:10
Extended: 1:100
Viscosity Range: 0.8 up to 30 mm²/s
Materials:
Housing: as per 1.4404 [AISI 316L] (others on request)
Wheels: as per DIN 1.4460 [AISI 329] (others on request)
Bearing: Tungsten carbide sleeve bearing
Pressure: up to 1,400 bar [20,300 psi]
Medium Temperature: -40 °C up to +60 °C [-40 °F up to +140 °F]

Turbine Flow Meters for Solvents (HM TC-R)

with integrated sensor electronics

The HM TC-R turbine flow meter series (TC-R for BSPP ports and compact electronics) is used to measure continuous and discontinuous flow rates. Mainly used for non-lubricating media. Especially well-suited for low-viscosity fluids such as water and solvents.

Only high-grade steels that even withstand corrosive liquids are used in the production of turbine flow meters. This flowmeter with integrated sensor electronics is extremely compact with small dimensions. Combined with the use of tungsten carbide bearings, the HM TC-R guarantees optimum measurement accuracy and an extremely long service life even under the toughest application conditions.

Technical Data
Measuring Ranges: 0.3 up to 85 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±1 % of actual flow (viscosity 1 mm²/s)
Viscosity Range: 0.6 up to 1 mm²/s
Materials:
Housing: as per DIN 1.4305 [AISI 303]
Wheels: as per DIN 1.4460 [AISI 329]
Bearing: Tungsten carbide sleeve bearing
Pressure: up to 630 bar [9,135 psi]
Medium Temperature: -40 °C up to +80 °C [-40 °F up to +176 °F]

Pickups and Amplifiers
Frequency output push-pull
Compact, integrated in the housing
Electrical connection: 12×1 plug, 5 pin, type 713, A coded

Turbine Flow Meters for High Pressure Applications (HM AC)

for High Pressure Applications up to 1,400 bar

The HM AC turbine flow meter series (AC for Autoclave Engineers connections)
is used to measure continuous and discontinuous flow rates with very high
operating pressures. They are mainly used for low viscosity, lubrication and
non-lubrication media. They are particularly suitable for low viscosity liquids,
such as water, emulsions, additives and inhibitors.

Only high-grade steels that even withstand corrosive liquids are used in the
production of turbine flow meters. Combined with the use of tungsten carbide
bearings, the HM AC guarantees optimum measurement accuracy and an
extremely long service life even under the toughest application conditions.

Technical Data
Measuring Ranges: 0.3 up to 120 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±1 % of actual flow
Measuring Span:
Standard: 1:10
Extended: on request
Viscosity Range: 0.8 up to 30 mm²/s
Materials:
Housing: as per DIN 1.3980
Wheels: as per DIN 1.4460 [AISI 329]
Bearing: tungsten carbide
Pressure: Up to 1,400 bar [20,305 psi]

Medium Temperature: -40 °C up to +150 °C [-40 °F up to +302 °F]

Turbine Flow Meters for Pharmaceutical Applications (HM TRI)

easy to clean and sterilize

The HM TRI turbine flow meter series (TRI for Tri-Clamp connectors) is used to measure continuous and discontinuous flow rates. Used primarily in pharmaceuticals and the food industry. The innovative, dead space free construction and special flushing bores in the bearing make it very easy to flush. Thanks to the use of high quality stainless steel and materials, the HM TRI is suitable for measuring highly corrosive media and meets the common material standards in the pharmaceuticals industry. CIP-capability is fully guaranteed by this design.

Technical Data
Measuring Ranges: 0.3 up to 400 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±1 % of actual flow (viscosity 1 mm²/s)
Viscosity Range: 1 mm²/s
Materials:
Housing: as per DIN 1.4404 [AISI 316 L]
Wheels: as per DIN 1.4460 [AISI 329]
Bearing: PTFE
Pressure: up to 16 bar [230 psi]
Medium Temperature: -40 °C up to +150 °C [-40 °F up to +302 °F]

Turbine Flow Meters with Pelton Wheel (HM P)

for monitoring heating and cooling circuits

The HM P (P for Pelton wheel) series turbine flowmeter works according to the Pelton wheel turbine principle and is used to measure continuous and discontinuous volume flows. It is used primarily for cost-effective flow rate measurement in heating and cooling circuits. Even heavily contaminated media at very high temperatures can be measured thanks to the special design and bearing concept. Only high-grade steels that even withstand corrosive liquids are used in the production of the turbine flowmeter. Combined with the use of highly wear-resistant ceramic bearings, the HM P guarantees optimum measurement accuracy and an extremely long service life even under the toughest application conditions.

Technical Data
Measuring Ranges: 3.0 up to 280 l/min
Repeatability: ±0.5 % (under the same conditions)
Linearity: ±2.5 % of actual flow (viscosity 1 mm²/s)
Viscosity Range: 0.8 up to 10 mm²/s
Materials:
Housing: as per DIN 1.4305 [AISI 303]
Wheels: as per DIN 1.4122
Bearing: Brass, Ceramics
Seals: FKM, graphite
Pressure: up to 20 bar [290 psi]
Medium Temperature: -60 °C to +350 °C [-76 °F up to +662 °F]

Aluminum Turbine Flow Meters (HM U)

with ball bearings for hydraulic applications

The HM U turbine flow meter series (U for aluminum housing and ball bearing) is used to measure continuous and discontinuous flow rates. They are mainly used for lubrication media. Especially well-suited for oils and hydraulic fluids. Only materials of the highest quality and precision ball bearings are used for manufacturing the turbine flowmeter. The turbine housing supports the adaptation of pressure and temperature sensors to record all important parameters in hydraulic flows simultaneously. This makes the HM U the ideal measuring device for the evaluation of hydraulic systems.

Technical Data
Measuring Ranges: 1.2 up to 600 l/min
Measuring Accuracy: up to ±0.5 %
Repeatability: ±0.5 % (under the same conditions)
Linearity: ±2 % of actual flow (viscosity 30 mm²/s)
Materials:
Housing: as per DIN 3.4365 [EN AW-7075]
Wheels: as per DIN 1.4122
Bearing: Tungsten carbide sleeve bearing
Pressure: up to 400 bar [5,800 psi]
Medium Temperature: -40 °C up to +120 °C [-40 °F up to +248 °F]

ZHM ST Series

Gear Flow Meters for abrasive, corrosive and less lubricating fluids

The ZHM ST gear flow meter series tungsten carbide sleeve bearing design) are flow meters which are mainly used in lubrication and non-lubrication liquids. They are equallysuitable for filled, viscous and abrasive media.

Only high-grade steels that even withstand corrosive liquids are used in the production of gear flow meters. Combined with the use of tungsten carbide bearings, the ZHM ST guarantees optimum measurement accuracy and a long service life under even the toughest application conditions.

Technical Data
Measuring Ranges: 0.005 up to 150 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±0.5 % of actual flow (viscosity ≥ 30 mm²/s)
Materials:
Housing: as per DIN 1.4305 [AISI 303], 1.4404 [AISI 316L]
Gears: as per DIN 1.4122, 1.4501 [AISI F55]
Bearing: Tungsten carbide sleeve bearing
Seals: FKM, PTFE (others on request)
Pressure: up to 420 bar [6,000 psi]
Medium Temperature: -40 °C up to +180 °C [-40 °F up to +356 °F] (others on request)

ZHM KL Series

Gear Flow Meters with Ball Bearing for lubricating and non abrasive fluids

The ZHM KL gear flow meter series (ball bearing design) are flow meters which are mainly used for lubricating liquids. They are equally suitable for higher to low viscosity media.

Only high-grade steels that even withstand corrosive liquids are used in the production of gear flow meters. Combined with the use of high-quality precision ball and hybrid bearings, the ZHM KL guarantees optimum measurement accuracy and a long service life under even the toughest application conditions. The ball bearing facilitates a very low starting torque of the measuring element. This way even the lowest flow rates at low viscosities can be accurately measured.

Technical Data
Measuring Ranges: 0.02 up to 1,000 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±0.5 % of actual flow (viscosity ≥ 30 mm²/s)
Materials:
Housing: as per DIN 1.4305 [AISI 303], 1.4404 [AISI 316L]
Gears: as per DIN 1.4122, 1.4501 [AISI F55]
Bearing: Stainless Steel Ball bearing (ZHM 01/2-06/1), Chrome roller bearing (ZHM 06-07)
Seals: FKM, PTFE (others on request)
Pressure: up to 420 bar [6,000 psi]
Medium Temperature: -40 °C up to +180 °C [-40 °F up to +356 °F] (others on request)

ZHM CT Series

Gear Flow Meters in Cartridge Design for paint applications, optimized flushing and weight design

The ZHM series in the patented cartridge construction (ZHM CT) was developed primarily for coating applications. Structural characteristics such as flat seals and free-standing axes ensure optimum flushing.

Cartridge construction drastically reduces the weight compared to the standard version, and permits mounting directly in the spraying head on the robot arm without restricting the robot’s dynamic behavior. The flowmeters have a very high resolution that supports extremely precise flow rate measurement across a very broad measuring range.

Since they are easy to flush, colors can be changed quickly without interfering with subsequent coating due to color residues in the measuring cell.

Technical Data
Measuring Ranges: 0.005 up to 3 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±0.5 % of actual flow (viscosity ≥ 30 mm²/s)
Materials:
Housing: as per DIN 1.4305 [AISI 303]
Wheels: as per DIN 1.4122
Bearing: Tungsten carbide sleeve bearing, stainless steel ball bearing
Seals: PTFE (others on request)
Pressure: up to 200 bar [2.900 psi]
Medium Temperature: -40 °C up to +180 °C [-40 °F up to +356 °F] (others on request)

ZHA KL Series

Gear Flow Meters Aluminum Version with ball bearing for lubricating media

The ZHA KL gear flow meter series (aluminum design) are flow meters which are mainly used for lubricating liquids. They are equally suitable for higher to low viscosity media.

Only high-strength aluminum is used in manufacturing the gear flow meters. Combined with the use of high quality precision ball bearings, the ZHA KL guarantees optimum measurement accuracy and a long service life even under the toughest application conditions. The ball bearings facilitate a very low starting torque of the measuring element. This way even the lowest flow rates at low viscosities can be accurately measured.

Technical Data
Measuring Ranges: 0.02 up to 75 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±0.5 % of actual flow (viscosity ≥ 30 mm²/s)
Materials:
Housing: as per DIN 3.4365 [EN AW 7075]
Gears: as per DIN 1.4122
Bearing: Stainless steel ball bearing
Seals: FKM, PTFE
Pressure: up to 315 bar [4,500 psi]
Medium Temperature: -40 °C up to +150 °C [-40 °F up to +302 °F] (others on request)

ZHM HP Series

Gear Flow Meters for High Pressure Applications with Autoclave connections

Thanks to their robust design, gearwheel flowmeters are particularly well suited for volume flow measurement in high-pressure applications and in tough environments, for example in offshore and subsea applications.

The ZHM HP is suitable for applications wherever hydraulic fluids, additives, and injections have to be measured or dosed under high pressures. High quality materials and surface treatments are adapted to extreme environments and application conditions. The special design of the measuring element also supports precise flow rate measurement for low-viscosity media.

Technical Data
Measuring Ranges: 0.005 up to 70 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±0.5 % of actual flow (viscosity ≥ 30 mm²/s)
Materials:
Housing: as per DIN 1.4404 [AISI 316L]
Gears: as per DIN 1.4122, 1.4501 [AISI F55]
Bearing: Stainless steel ball bearing, Tungsten carbide sleeve bearing
Seals: FKM, FFKM
Pressure: up to 1,035 bar [15,000 psi]
Medium Temperature: -40 °C up to +180 °C [-40 °F up to +356 °F] (others on request)

ZHM MK Series

Gear Flow Meter with ball bearing for low viscous, lubricating fluids

The ZHM MK gear flow meter (ball bearing design) are flow meters which are mainly used in lubrication and non-viscous liquids. Therefore they are used especially for the fuel consumption measurement and the dosing of low viscous media.

Technical Data
Measuring Range: 0.002 up to 70 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: ±1.5 % of actual flow (viscosity ≥ 5 mm²/s), ±2.5 % of actual flow (viscosity ≥ 5 mm²/s for ZHM 01/3)
Materials:
Housing: as per DIN 1.4305 [AISI 303], 1.4404 [AISI 316L]
Gears: as per DIN 1.4122
Bearing: Stainless steel ball bearing
Seals: FKM, PTFE (others on request)
Pressure: up to 420 bar [6,000 psi]
Medium Temperature: -40 °C up to +180 °C [-40 °F up to +356 °F]

Helical Flow Meters in Standard Design (SRZ ST)

The SRZ ST helical flow meter series (ST for standard version) are flow-measuring devices that are used mainly in highly viscous, abrasive, filled as well as lubrication and non-lubrication media.

Thanks to its concept, temperature fluctuations and the resulting change in the viscosity of the medium only marginally affect the measuring accuracy of the SRZ ST. This makes it especially well suited for use in test stands and for measurements with changing application conditions. Furthermore, the helical flow meter is distinguished by a wide measuring range, low shear stress of the medium to be measured and low loss of pressure. The SRZ ST is ideal for measuring thick matter, polymers, sealants, and high-viscosity media of all kinds.

Technical Data

Measuring Ranges: 0.4 up to 400 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: up to ±0.25 % of actual flow
Materials:
- Housing: as per DIN 1.4305 [AISI 303], 1.4404 [AISI 316L]
- Helicals: as per DIN 1.4122
- Bearing: tungsten carbide
- Seals: FKM, PTFE (others on request)
Pressure: up to 315 bar [4,500 psi]
Medium Temperature: -40 °C up to +150 °C [-40 °F up to +302 °F] (others on request)

Helical Flow Meters in compact design (SRZ Compact)

The compact series helical flow meter is used mainly in applications with highly viscous, abrasive and filled, lubricating and non-lubricating media. Extremely high-resolution electronics integrated in the measuring equipment support the measurement of the smallest dosage quantities in applications with the highest reproducibility requirements.

The SRZ compact is intended for precise volume flow measurement in various media. These include adhesives, sealants, and polymers as well as all kinds of greases and oils.

Technical Data

Measuring Ranges: 0.04 up to 400 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: up to ±0.25 % of actual flow
Materials:
- Housing: as per DIN 1.4305 [AISI 303]
- Helicals: as per DIN 1.4122
- Bearing: tungsten carbide
- Seals: FKM, PTFE
Pressure: up to 250 bar [3,600 psi]
Medium Temperature: -20 °C up to +70 °C [-4 °F up to +158 °F] (others on request)

Pickups and Amplifiers

High resolution frequency output push-pull
Compact, integrated in the housing

Helical Flow Meters with Ball Bearing (SRZ KL)

The series SRZ KL flowmeter (KL for ball bearing version) is a volume flow meter intended primarily for lubricating, non-abrasive fluid applications. Thanks to its concept, temperature fluctuations and the resulting change in the viscosity of the medium only marginally affect the measuring accuracy of the SRZ KL. This fact, the high measuring accuracy, and the wide measuring span make this the ideal flowmeter in test stands and for applications with fluctuating operating conditions.

Technical Data

Measuring Ranges: 0.4 up to 400 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: up to ±0.25 % of actual flow
Materials:
- Housing: as per DIN 1.4305 [AISI 303], 1.4404 [AISI 316L]
- Helicals: as per DIN 1.4122
- Bearing: Stainless steel ball bearing
- Seals: FKM, PTFE (others on request)
Pressure: up to 315 bar [4,500 psi]
Medium Temperature: -40 °C up to +180 °C [-40 °F up to +356 °F] (others on request)

High Resolution Helical Flow Meters (SRZ High Resolution)

The High Resolution helical flow meter series is used mainly in applications with highly viscous, abrasive and filled, lubricating and non-lubricating media. Extremely high-resolution electronics integrated in the measuring equipment support the measurement of the smallest dosage quantities in applications with the highest reproducibility requirements.

The SRZ High Resolution is intended for precise volume flow measurement in various media. These include adhesives, sealants, and polymers as well as all kinds of greases and oils.

Technical Data

Measuring Ranges: 0.04 up to 40 l/min
Measuring Accuracy: up to ±0.1 %
Repeatability: ±0.05 % (under the same conditions)
Linearity: up to ±0.25 % of actual flow
Materials:
- Housing: as per DIN 1.4305 [AISI 303], 1.4980 [AISI 660]
- Helicals: as per DIN 1.4122
- Bearing: tungsten carbide
- Seals: FKM, PTFE (others on request)
Druck: up to 250 bar [3,600 psi]
Medium Temperature: -4 °F up to +158 °F [-20 °C up to +70 °C] (others on request)

Pickups and Amplifiers

High resolution frequency output push-pull
Compact, integrated in the housing

Micro Flow Meter (LFM)

for low-viscosity fluids in dosing and filling systems
Micro Flow Meter – LFM
The LFM micro-flowmeter is suitable for low-viscosity fluids in dosing and filling applications of all kinds. Its measuring element is based on the principle of a double ring piston meter. Thanks to the low pendulum mass and minimal frictional losses, the LFM responds to even the smallest volume flows. Only high-grade stainless steel that even withstands corrosive media is used in the production of the micro-flowmeter. The high-precision measuring element and extremely tight production tolerances of the single components minimize leakage and thereby guarantee good linearity and reproducibility of the LFM.

Technical Data

Measuring Range: 0.005 up to 0.25 l/min
Viscosity: 0.6 up to 6 mm²/s
Linearity: ±2.5 % of actual flow
Materials:
- Housing: as per DIN 1.4435 [AISI 316 L]
- Pendulum: as per DIN 1.4122
- Ring Piston: as per DIN 1.4122
- Seals: PTFE, FFKM, FKM
Pressure: max. 100 bar [1,450 psi]
Medium Temperature: -20 °C up to +120 °C [-4 °F up to +248 °F]

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