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Measurement instruments, organized by application.

Browse 38 documented instruments. Every detail page explains operating limits, suitable applications and the information needed for final selection.

All productsUltrasonic Flow MetersThermal Gas Mass Flow MetersVortex Liquid Flow MetersCoriolis Mass Flow MetersElectromagnetic Flow MetersLiquid Analysis TransmittersProcess Analysis Sensors

38 instruments

FS-605 Thermal Gas Mass Flow Meter

FS-605 · Thermal Mass Flow

Thermal Gas Mass Flow Meter

Compact gas mass-flow measurement for laboratories, OEM equipment and process-gas systems.

  • Typical range0.05-200 L/min
  • Accuracy±2.0% F.S.
  • ResponseFast-response configuration
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FS-600 Thermal Gas Mass Flow Meter

FS-600 · Thermal Mass Flow

Thermal Gas Mass Flow Meter

Stable gas flow monitoring with a rotatable display and multiple configurable ranges.

  • RangeConfigurations up to 500 L/min
  • Power24 VDC
  • DisplayRotatable local display
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FS-620 Digital Thermal Gas Flow Meter

FS-620 · Thermal Mass Flow

Digital Thermal Gas Flow Meter

Fast-response gas measurement designed for compact OEM and automation systems.

  • RangeMultiple range options
  • PressureConfigurations up to 1.1 MPa
  • ProtocolModbus RTU
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FS-910 Inline Ultrasonic Flow Meter

FS-910 · Ultrasonic Flow

Inline Ultrasonic Flow Meter

High-resolution transit-time measurement for clean liquids in small tubes.

  • Accuracy±1.0% at 0.3-5.0 m/s
  • Flow velocity0.1-5.0 m/s
  • Response50 ms
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FS-920 Industrial Ultrasonic Flow Meter

FS-920 · Ultrasonic Flow

Industrial Ultrasonic Flow Meter

Integrated ultrasonic liquid measurement for compact industrial lines.

  • Accuracy±1.0% configuration dependent
  • Response500 ms
  • ProtectionIP66
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FS-930 Clamp-on Ultrasonic Flow Meter

FS-930 · Ultrasonic Flow

Clamp-on Ultrasonic Flow Meter

Non-invasive measurement through the tube wall for clean, high-purity or corrosive liquids.

  • Accuracy±2.0% at 0.3-5.0 m/s
  • Velocity0.1-5.0 m/s
  • Response500 ms
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AE200 Field Analysis Transmitter

AE200 · Liquid Analysis Transmitters

Field Analysis Transmitter

Two-wire intrinsically safe pH/ORP transmitter for demanding process areas.

  • Power24 VDC ±10%
  • Output4-20 mA
  • CommunicationHART 7 optional
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AE600 Multi-channel Analysis Transmitter

AE600 · Liquid Analysis Transmitters

Multi-channel Analysis Transmitter

Touchscreen multi-channel platform for centralized liquid-analysis monitoring.

  • Power100-240 VAC or 20-26 VDC
  • Display4-inch color touchscreen
  • Outputs4-20 mA
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AU400 Multi-parameter Field Transmitter

AU400 · Liquid Analysis Transmitters

Multi-parameter Field Transmitter

IP66 field platform for robust multi-parameter water and process analysis.

  • Power85-265 VAC or 21.6-26.4 VDC
  • ProtectionIP66
  • CommunicationIsolated RS485 Modbus RTU
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B Series DIN Rail Analysis Transmitter

B Series · Liquid Analysis Transmitters

DIN Rail Analysis Transmitter

Space-saving liquid-analysis transmitter for PLC and automation cabinets.

  • Power24 VDC, below 2 W
  • Output4-20 mA
  • CommunicationModbus, 9600 bps
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AS3250 Fermentation pH Electrode

AS3250 · Process Sensors

Fermentation pH Electrode

Pressurized, sterilizable pH electrode engineered for repeated fermentation batches.

  • Range0-12 pH
  • Temperature0-130°C
  • Pressure0-5 bar
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AS3030-C Sterilizable pH Electrode

AS3030-C · Process Sensors

Sterilizable pH Electrode

High-temperature pH electrode for repeated autoclave and bioprocess duty.

  • Range0-12 pH
  • Temperature0-130°C
  • Pressure0-5 bar
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AS6860i Optical Dissolved Oxygen Sensor

AS6860i · Process Sensors

Optical Dissolved Oxygen Sensor

Sterilizable optical DO measurement without electrolyte or polarization.

  • Range20 ppb to saturation
  • Measurement temperature0-50°C
  • SterilizationUp to 135°C at 1.5 bar
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AS6800 Polarographic Oxygen Electrode

AS6800 · Process Sensors

Polarographic Oxygen Electrode

Reinforced-membrane polarographic DO electrode for hygienic fermentation processes.

  • Range8 ppb to saturation
  • Measurement temperature0-80°C
  • SterilizationUp to 135°C at 1.5 bar
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AS7000 Pure Water Conductivity Sensor

AS7000 · Process Sensors

Pure Water Conductivity Sensor

Two-electrode stainless-steel conductivity sensor for pure and hygienic water systems.

  • Range0-200 or 0-2000 µS/cm
  • Resolution0.01 µS/cm
  • Accuracy±1%
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AS7100 Sanitary Four-electrode Conductivity Sensor

AS7100 · Process Sensors

Sanitary Four-electrode Conductivity Sensor

Wide-range sanitary conductivity measurement for CIP and aggressive process liquids.

  • Range0.02-500 mS/cm
  • Temperature-20 to 135°C
  • Pressure0-6 bar
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FS-950 Clamp-on Ultrasonic Flow Meter

FS-950 · Ultrasonic Flow

Clamp-on Ultrasonic Flow Meter

Integrated and split clamp-on measurement for clean liquids in DN6 to DN100 pipe configurations.

  • Accuracy±2.0% at 0.3-5.0 m/s
  • Velocity0.1-5.0 m/s
  • Response50 ms
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FS-9X Micro-flow Ultrasonic Flow Meter

FS-9X · Ultrasonic Flow

Micro-flow Ultrasonic Flow Meter

Non-invasive milliliter-scale liquid measurement for small plastic tubing and OEM equipment.

  • Accuracy±2.0% at 0.3-5.0 m/s
  • Velocity0.1-5.0 m/s
  • Response50 ms
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FP-960 Transit-time Ultrasonic Flow Meter

FP-960 · Ultrasonic Flow

Transit-time Ultrasonic Flow Meter

Multi-method ultrasonic flow monitoring for pipes from 25 mm to 2000 mm.

  • Velocity range0 to ±12 m/s
  • Accuracy±1.0% of measurement
  • Repeatability0.2%
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FS-740 Vortex Liquid Flow Meter

FS-740 · Vortex Liquid Flow

Vortex Liquid Flow Meter

Compact stainless-steel vortex meter for 2-100 L/min liquid-flow configurations.

  • Flow ranges2-16, 5-40 or 10-100 L/min
  • Accuracy±3.0% F.S.
  • Temperature0-90°C
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FS-750 Vortex Liquid Flow Meter

FS-750 · Vortex Liquid Flow

Vortex Liquid Flow Meter

Broader-range compact vortex meter covering configurations from 0.5 to 250 L/min.

  • Flow ranges0.5-4 or 50-250 L/min
  • Accuracy±3.0% F.S.
  • Temperature0-90°C
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FP-800 Coriolis Mass Flow Meter

FP-800 · Coriolis Mass Flow

Coriolis Mass Flow Meter

Direct mass-flow and density measurement for liquids across wide flow, viscosity and temperature ranges.

  • Flow coverage1.2-2,500,000 kg/h by size
  • Accuracy classes0.1 / 0.15 / 0.2 / 0.5
  • Temperature versions-200 to 350°C
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FS-510 Electromagnetic Flow Meter

FS-510 · Electromagnetic Flow

Electromagnetic Flow Meter

Compact obstruction-free flow measurement for conductive liquids from DN6 to DN65.

  • Pipe sizeDN6-DN65
  • Accuracy±0.5%
  • Pressure-0.1 to 6.3 MPa
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FS-610 Thermal Gas Mass Flow Meter

FS-610 · Thermal Mass Flow

Thermal Gas Mass Flow Meter

MEMS gas-flow measurement with configurable threaded connections and ranges up to 1200 L/min.

  • Flow coverage0.5-1200 L/min standard options
  • Turndown1:100
  • PressureUp to 1.0 MPa
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FS-615 Inline Thermal Gas Mass Flow Meter

FS-615 · Thermal Mass Flow

Inline Thermal Gas Mass Flow Meter

Wide-range inline gas mass-flow measurement for DN20 to DN40 piping.

  • Flow coverage10-4000 L/min by size
  • Pipe rangeDN20-DN50
  • Accuracy±1% to ±2.5%
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FC-620 Thermal Gas Mass Flow Controller

FC-620 · Thermal Mass Flow

Thermal Gas Mass Flow Controller

MEMS mass-flow controller for precise gas measurement and proportional-valve control.

  • Flow coverage0.001-300 L/min
  • Turndown1:100
  • Accuracy±1.0% S.P.
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FS-618 Split Thermal Mass Flow Meter

FS-618 · Thermal Mass Flow

Split Thermal Mass Flow Meter

Remote-display thermal mass-flow meter for gas lines up to 1000 L/min.

  • Flow coverage0-1000 L/min
  • Turndown100:1
  • Accuracy±1.5% F.S.
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FC-630 High-precision Mass Flow Controller / Meter

FC-630 · Thermal Mass Flow

High-precision Mass Flow Controller / Meter

High-precision touchscreen gas mass-flow controller or meter from 2 SCCM to 6000 SLM.

  • Range2 SCCM-6000 SLM
  • Accuracy±0.5% F.S.
  • Repeatability±0.2% F.S.
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FC-633 Digital Differential-pressure Mass Flow Meter / Controller

FC-633 · Thermal Mass Flow

Digital Differential-pressure Mass Flow Meter / Controller

Low-drift digital gas flow measurement and control from 100 SCCM to 3000 SLM.

  • Range100 SCCM-3000 SLM
  • Accuracy±1% F.S.
  • Repeatability±1% F.S.
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FP-6010 Insertion Thermal Gas Mass Flow Meter

FP-6010 · Thermal Mass Flow

Insertion Thermal Gas Mass Flow Meter

Insertion thermal mass-flow measurement for gas pipes from 50 mm to 1000 mm.

  • Pipe inner diameter50-1000 mm
  • Velocity range0.1-100 Nm/s
  • Accuracy±1%
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FP-210 Gear Flow Meter

FP-210 · Thermal Mass Flow

Gear Flow Meter

High-accuracy positive-displacement liquid measurement for viscous, corrosive and high-pressure media.

  • Flow coverage0.3-20,000 L/h by model
  • Viscosity0.5-2,000,000 cP
  • Accuracy±0.5% of reading within 1:20 range
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AE300 Field Analysis Transmitter

AE300 · Liquid Analysis Transmitters

Field Analysis Transmitter

Touchscreen field and panel transmitter for pH, ORP, conductivity and dissolved oxygen.

  • Power100-240 VAC or 20-26 VDC
  • Display4-inch 480×480 color touchscreen
  • Output4-20 mA
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AS2000 Low-conductivity pH Electrode

AS2000 · Process Sensors

Low-conductivity pH Electrode

Pressurized pH electrode for low-conductivity water, biotechnology and chemical applications.

  • Range0-14 pH
  • Temperature5-130°C configuration dependent
  • Pressure0-6 bar
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AS2110 Pure-water pH Electrode

AS2110 · Process Sensors

Pure-water pH Electrode

Low-resistance, triple-junction pH electrode for pure and low-conductivity water.

  • Range0-14 pH
  • Temperature-5 to 100°C
  • Pressure0-5 bar
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AS4030 Chemical-resistant pH Electrode

AS4030 · Process Sensors

Chemical-resistant pH Electrode

Dual-reference pressurized pH electrode for oxidizers, solvents, acids, bases and toxic media.

  • Range0-14 pH
  • Temperature-5 to 100°C
  • Pressure0-5 bar at 100°C / 0-10 bar at 25°C
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AS4260 Open-junction pH Electrode

AS4260 · Process Sensors

Open-junction pH Electrode

High-temperature open-junction pH electrode for dirty, high-solids and heavily polluted liquids.

  • Range0-14 pH
  • Temperature0-135°C
  • Pressure0-5 bar at 135°C / 0-15 bar at 25°C
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AS4800 Pressurized PTFE-junction pH Electrode

AS4800 · Process Sensors

Pressurized PTFE-junction pH Electrode

Layered pressurized-reference pH electrode for contaminants, oxidizers, solvents, acids and bases.

  • Range0-14 pH
  • Temperature-5 to 130°C
  • Pressure0-7 bar at 130°C / 0-16 bar at 25°C
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AS7250 Inductive Conductivity Sensor

AS7250 · Process Sensors

Inductive Conductivity Sensor

Corrosion-resistant toroidal conductivity measurement for acid, alkali and wide-range concentration monitoring.

  • Range0.05-2000 mS/cm
  • Temperature-20 to 150°C
  • Pressure0-12 bar
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