testo 6741, compressed air counter, diameter DN15 (1/2”), with analog, pulse, and switching output

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  testo 6744, compressed air counter, diameter DN50 (2”), with analog, pulse, and switching output

  • Compressed air counter with various signal outputs: analog output, pulse output, 2 switching outputs
  • Totalizing function (totalizer) for calculating overall consumption
  • High accuracy: thanks to a defined nominal diameter DN50, you can adjust the standard volumetric flow rate

  testo 6744 dew point transmitter, measuring range down to -45°Ctd, with display, connection type NPT1/2, analog signal output 4…20 mA, optional signal module connector with two switching outputs.

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  testo 6743, compressed air counter, diameter DN40 (1 1/2”), with analog, pulse, and switching output

  Compressed air counter with various signal outputs: analog output, pulse output, 2 switching outputs
  Totalizing function (totalizer) for calculating overall consumption
  High accuracy: thanks to a defined nominal diameter (DN40), you can adjust the standard volumetric flow rate

  testo 6743 dew point transmitter, measuring range down to -45°Ctd, with display, connection type G1/2, 4…20 mA analog signal output, optional signal module connector with two switching outputs.

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  testo 6621, humidity transmitter for air conditioning systems

  testo 6621 in wall or duct version, with selectable analog signal outputs, incl. two-line display (option), external interface for adjustment and commissioning, two analog outputs

  • Transmitter with two analog outputs (temperature/humidity)
  • High-precision Testo humidity sensor with long-term stability
  • Adjustment without dismounting the transmitter
  • P2A software for parameterization, adjustment, and analysis

  testo 6621 temperature/humidity transmitter, accuracy ±2.0 % RH, wall or duct version, selectable analog signal outputs, optional display, external digital interface for adjustment and parameterization, 2 analog outputs

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  testo 6681, temperature/humidity transmitter

  testo 6681 with the possibility of selecting analog signal outputs, optional two-line display), optional Ethernet or Profibus module, data output in all humidity units, optional relay, optional third analog output

  • High-precision Testo humidity sensor with long-term stability for application in high-humidity processes (option)
  • The Ethernet module, relay, and analog outputs allow for optimal integration of the transmitter into individual automated systems
  • High-quality digital probes and the intelligent calibration concept
  • Self-monitoring and an early warning function ensure high system availability

  testo 6681 Industrial temperature/humidity transmitter, accuracy up to ±1.0 % RH (depends on the probe type), selectable analog signal outputs, optional display, optional Ethernet module or Profibus DP module, data output in all humidity units, optional relays, external digital interface for adjustment and parameterization, 2 analog outputs, optional 3rd analog output