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- Operating on the Pitot tube principle
- Insensitive to airflow direction
- Accuracy: 2 %
- Pairs well with HK Instruments DPT-FLOW transducers
- Connection: 1/4” OD tubing
- Operating temperature: 5...95 °C
- Round or rectangular duct
- Various duct size options (up to 1200 mm)
- Air velocity measurement range: 0...2 / 0...10 / 0...20 m/s (selectable via jumper)
- Temperature measurement range: 0...50 °C
- Output: 0...10 V / 4...20 mA
- Option: LCD screen
- Option: relay output
- Supply: 24 VDC/VAC
- Operating temperature: 0...+50°C
- Protection class: IP54
- Maximal pressure measurement range: 0...7000 Pa
- Air flow and velocity measurement
- LCD screen
- Allowed overpressure: 25 kPa
- Supply: 9 V battery
- Operating temperature: 10...+50°C
- Protection class: IP54
- Maximal pressure measurement range: 0...1000/2000/5000/7000 Pa
- Air flow and velocity measurement
- Output: 0...10 V / 2...10 V or 4...20 mA
- Option: autozero function and LCD screen
- Allowed overpressure: 25 kPa
- Supply: 10...35 VDC
- Operating temperature: -40...+50°C (see datasheet)
- Protection class: IP54
- Universal airflow monitor with Safety Integrity Level 1 (SIL1) according to IEC 61508/IEC61511 (alternatively device with SIL2 certification available)
- With switching output suitable for control cabinet installation
- Type tested by TÜV NORD according to DIN EN 61010-1: 2011-07
- Large measuring range from 0.1 ... 30 m/s, quick and easy commissioning
- Example areas of application: Monitoring heating registers, air curtain systems, dampers, fans, DDC
- Compact air flow meter with switching output (1 NO)
- Robust sensor design, protection class IP67 and compact dimensions
- Switching point continuously adjustable between 0.1...15 m/s (extended measuring range available with RLSW5)
- Exemplary areas of application: monitoring of fans, heating registers, extraction, soldering and air curtain systems
- Compact air flow meter with analogue output (0…10 V & 4…20 mA)
- Robust sensor design, protection class IP67 and compact dimensions
- Media temperature up to 70 °C
- Switching point continuously adjustable between 0.1...30 m/s
- Exemplary areas of application: Visualization and control of air flows in building automation, filter and fan monitoring as well as in industrial applications such as catalytic converters
- Flow monitors for water and air flows
- Robust stainless steel sensor housing for industrial environments
- Type tested by TÜV NORD according to DIN EN 61010-1: 2011-07
- Switching point sensitive and continuously adjustable both for liquids (0.03 ... 3 m/s) and for gases (0.5 ... 20 m/s)
- With switching output (1 NO/ 1 NC)
- Exemplary areas of application: Monitoring of air and water flows, cooling circuits up to 30% glycol content, pump monitoring
Compact sensor VA 525 for measuring compressed air or nitrogen inline.
- 4...20 mA and pulse or a Modbus RTU (RS 485) interface as standard
- Optional interfaces such as Modbus TCP (Ethernet), PoE, M-Bus available
- Pressure range up to 16 bar
- Temperature range up to 60°C
- For speeds up to 224 Nm/s
- Integrated display to show the measured values
- Available from 1/4" to 2''
- Settings adjustable via the keys of the display
- Main counter can be reset via the display
- Air flow monitor with switching output for control cabinet installation
- Safely and reliably monitor hot air flows up to 400°C
- Sensitive response behaviour
- Large measuring range (0.1...30 m/s), simple and fast commissioning
- Areas of application: Monitoring of heating coils, drying plants, industrial ovens, granulate dryers, surface technology plants, thermoprocess technology
- Flow monitoring with SIL1 certification according to IEC 62061 (corresponds to Performance Level c according to EN ISO 13849-1)
- Can be used in ATEX zones 1 and 2 in conjunction with 2 Zener barriers supplied
- Large measuring range from 0.1 to 30 m/s with media temperatures from 0°C to 60°C
- With switching output suitable for control cabinet installation
- Developed for demanding industrial applications, IP40
- Example areas of application: Flow monitoring in paint shops, paper factories and research facilities
- Air flow monitor for monitoring air flow in ATEX zones 1 and 2 (optionally additionally with SIL1 or SIL2 certification)
- With switching output (1 NO/ 1 NC) for control cabinet installation
- Type tested by TÜV NORD according to DIN EN 61010-1: 2011-07
- Large measuring range (0.1...30 m / s), simple and fast commissioning
- Example areas of application: Monitoring heating registers, air curtain systems, dampers, fans, DDC, industrial furnaces, granulate dryers
Thermal mass flow sensor for compressed air and gases VA 500
- 4...20 mA, pulse and a Modbus RTU (RS 485) interface as standard
- Optional: Interfaces such as Modbus TCP (Ethernet), PoE, M-Bus
- Optional: Bi-directional measurement
- Pressure tight up to 50 bar
- Temperature range up to 110 °C
- Protection class IP65
- Suitable for gas velocities up to 224 Nm/s
- Integrated display for showing the measured values
- Can be used from 1/2" up to 40", larger diameters on request
- Easy installation under pressure
- Settings can be changed via the display
- Main counter reading can be reset via the display
- Calorimetric measuring principle
- Units freely selectable via keys at the display
- Display shows 2 values at the same time, twistable by 180 ° degree
- Integrated Modbus interface enables connection control systems, SCADA
- M-Bus (optional)
- Analog output 4...20 mA
- Pulse output (galvanic isolation)
- High measuring accuracy (ideal for leakage measurement)
♦ Positive, negative and differential pressure measurement
♦ Air speed measurement
♦ Automatic zero find function
♦ Measured value hold
♦ Minimal and maximal value detection
♦ Measurement unit option
- Range: -250...2550 Pa
- Maximal overpressure: 30 kPa
- Accuracy: ±1,4 %
- Pressure and air flow measurements from air diffusers and valves
- Data can be uploaded on your computer for visualization and further analysis
- Over 700 programmed valve types
- Mediums: air and non-aggressive gases
- Operating temperature: -10... +50 °C
- Connection: ø 5 mm pressure hoses
- Can be used with Pitot tube
- 5 year warranty
- Included: calibration certificate, 2 x 2 m PVC hoses
- Measured parameters (with respective sensors):
a) Temperature (Pt100 or thermocouple)
b) Humidity
c) Air quality
d) Air velocity
e) Airflow
f) Tachometry - Two inputs for Pt100 temperature sensors (range -200...600 °C)
- Up to 6 measurements simultaneously
- Power supply: Lithium-Ion battery (up to 57 hours)
- Calibration certificate, additional battery, transport case included
- Operating temperature: 0...50 °C
- Protection class: IP54
- Air velocity, airflow and temperature measurement
- Air flow measurement with a cone
- Automatic average
- Display of minimum and maximum values, hold function
- Adjustable auto shut-off
- Detection of flow direction
- Selection of units
- Supplied with calibration certificate
- Display of minimum and maximum values, hold function
- Adjustable auto shut-off
- Automatic average
- Selection of units
- Detection of flow direction (LV 110/LV 117)
- Supplied with calibration certificate
- Air flow measurement with a cone (LV 110/LV 117)
- Volumetric flow and air velocity meter with linear analogue output in control quality (0...10 V & 4...20 mA) and switch
- Suitable for media temperatures up to 350°C
- Measured value display by means of LCD and LED
- Freely scalable measuring range m/s, m³/h, l/min
- Sensitive and fast airflow detection up to 30 m/s
- Exemplary areas of application: Measurement and control of air flows, building services, PLC, filter monitoring, extraction and extrusion systems, exhaust gases and test benches
