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  • RS 485 interface, Modbus-RTU as a standard
  • Integrated display for m³/h and m³
  • Usable from 1/2“ to 12“ (DN 300)
  • Easy installation under pressure
  • 4...20 mA analogue output for m³/h resp. m³/min
  • Pulse output for m³
  • Inner diameter adjustable via keypad
  • Consumption counter resettable
  • Adjustable via keys at the display: Gas type, reference conditions, °C and mbar, 4...20 mA scaling, pulse weight
Datasheet
User Manual

  • The integrated Modbus interface enables the connection to superordinated control systems like energy management systems, building management systems, SPS, SCADA,
  • Easy and affordable installation
  • Units freely selectable via keys at the display m³/h, m³/min, l/min, l/s, kg/h, kg/min, kg/s, cfm
  • Compressed air counter up to 1.999.999.999 m³. Resetable to „zero“ via keypad
  • Analogue output 4...20 mA, pulse output (galvanically separated)
  • High measuring accuracy also in the lower measuring range (ideal for leakage measurement)
  • Negligibly small loss of pressure
  • Calorimetric measuring principle, no additional pressure and temperature measurement necessary, no mechanically moved parts
  • Comprehensive diagnosis functions can be read out at the display or by remote access via Modbus-RTU like e. g. exceeding Max./Min values °C, calibration cycle, error codes, serial number. All parameters can be read out and changed via Modbus
Datasheet

  • Screw thread for easy installation in existing piping through integrated measuring block (suitable for 1/2“, 3/4 ̋, 1“, 1 1⁄4 ̋, 1 1⁄2“ or 2" lines)
  • Compact, small design - for use in machines, behind maintenance unit at the end user
  • All interfaces are programmable via the display
  • Modbus RTU output
  • 4...20mA analog output for actual flow
  • Pulse output total flow (counter reading), galvanically isolated. Optionally M-Bus, Ethernet-Interface, or PoE
Datasheet
User Manual

  • Current consumption in m³/h, l / min, ...
  • Total consumption (meter reading) in m³, l, kg
  • Temperature measurement
  • Optional: Pressure measurement
Datasheet
User Manual

  • Robust impact-proof aluminum die cast housing for the outdoor area IP 67
  • All medium-touching parts made from stainless steel 1,4571
  • As immersion sensor suitable for 3/4“ up to DN 500
  • On request with ATEX approval ATEX II 2G Ex d IIC T4
  • On request with DVGW approval for natural gas (up to 16 bar)
  • Pressure range up to 50 bar, special version up to 100 bar
  • Temperature range up to 180 °C
  • No moving parts, no wearout
  • Sensor tip very robust, easy to clean
  • Easy mounting and dismounting under pressure via 1/2“ ball valve
  • Housing twistable, display twistable by 180°
  • Safety ring for mounting and dismounting under pressure
  • Depth scale for precise installation
Datasheet

Flow meter VA 570 is supplied with an integrated measuring section for compressed air and gas pipes. The measuring sections are available in flanged version or with R resp. NPT thread.



Datasheet
User Manual
User Manual
User Manual

  • Direct display in Nm3/h, or NI/min and temperature in C°
  • Calorimetric measuring principle - no additional pressure and temperature measurement necessary
  • High measurement accuracy ¼ to 3 inches
  • IVA 500 and IVA 550 insert version from ½ inch to DN 400 / DN 500
Datasheet

  • Pressure sensors (high and low pressure)
  • Flow sensors, VA 500 / VA 520
  • Temperature sensors Pt 100, Pt 1000 / 4...20 mA
  • Dew point sensors FA 510 / FA 515
  • Effective power meters
  • Opitonal third-party sensors with the following signals: 0...1/10 V, 0/4...20 mA, Pt 100, Pt 1000, pulse, Modbus
Datasheet
User Manual

  • Particularly suitable for extremely high flow rates
  • Extremely fast response time: 100 ms
  • Flow, total consumption, temperature and pressure
  • Measurement at high temperatures, max. temperature 200 °C
  • Measurement in various gases by selecting gas type, on request
  • Can be used in pipes from DN 20 to DN 500
  • Installation via 1/2" ball valve under pressure
  • RS 485 interface (Modbus-RTU), 4...20 mA, pulse output as standard
Datasheet
User Manual

Vane anemometer with telescopic sensor – ideal for carrying out airflow measurements in air ducts.

  • Permanently connected telescopic sensor – maximum length 890 mm, diameter 16 mm
  • Airflow measurements, selective and time mean values for calculating air volume
  • Hold function; min/max display; auto power off
  • Calibration certificate and batteries included
Datasheet
User Manual

  • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs
  • Integrated totalling function (totaliser) for calculating the total consumption
  • High accuracy: defined inner diameter (DN15) enables adjustment to standard volumetric flow
  • Easy to install and to operate

testo 6441 compressed air counter with integrated inflow/outflow, diameter DN15 (1/2), with analog, pulse and switch output

Datasheet
User Manual

  • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs
  • Integrated totalling function (totaliser) for calculating the total consumption
  • High accuracy: defined inner diameter (DN25) enables adjustment to standard volumetric flow
  • Easy to install and to operate

testo 6442 compressed air counter with integrated inflow/outflow, diameter DN25 (1), with analog, pulse and switch output

Datasheet
User Manual