testo 6743 – dew point transmitter with display

For efficient moisture measurement in compressed air or dry air or dry gas

  • Reliable dew point measurement in the range -45 °Ctd to + 30 °Ctd
  • Testo's highly accurate and long-term stable moisture sensor
  • Documented precision adjustment at -40°C tpd

 20 100:-

Delivery time: 5-10 working days

Delivery time: 5-10 working days

testo 6743 is used for effective moisture measurement in compressed or dry air or dry gas. The instrument can be used to monitor moisture levels or control drying equipment.

Wherever compressed air, air or gases are used in industry, excessive humidity can cause damage or impair product quality. You can use the dew point transmitter testo 6743 to track the humidity in your systems (e.g. in membrane and adsorption dryers). Prevent damage and reduce costs through targeted use of measurement and control technologies.

  • Reliable dew point measurement in the range -45 °Ctd to + 30 °Ctd
  • Testo’s highly accurate and long-term stable moisture sensor
  • Documented precision adjustment at -40°C tpd
  • Freely scalable analog output (4 to 20mA) and optional 2 relay outputs.
  • With informative display

Included in delivery

testo 6743 dew point transmitter with display

Measurement range-60 ... +30°Ctd
±0 ... +50°C
Operating temperature-20 ... +70°C ambient temp.
-40 ... +80°C storage temperature
Pressure load-1 .... 50 bar
Moisture sensorTesto's moisture sensor with precision adjustment at -40°C tpd
Temperature sensorNTC
Sensor protectionCover of stainless sintered steel
Measurement uncertainty - Moisture±1 K at -10°Ctpd
±4 K at -40°Ctpd
Measurement uncertainty - Temperature±0.5°K
Analog output signal4 ... 20mA, 2-wire technology
ScalingStepless scaling via display/buttons
standard 4 ... 20mA = -60 ... 30°Ctpd
Output variables°Ctpd, °Ftpd, °Ctd, °Ftd, %RH, ppmV, mg/m3, °C, °F
Accuracy±0.040 µA
Power supply24 VDC (10 ... 30 VDC)
With alarm output. 20 ... 30VDC
Max load: 10 VDC: 100 ohms, 30 VDC: 950 ohms
Protection classIP 65 The housing can be rotated 350° (for aligning the display)
Instrument housing Dimensions199.5x37x37mm with standard connector
203.5x37x37 mm with alarm output contact
There are no probes for this item.
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testo 6741 – dew point transmitter without display

Reliable dew point measurement.

  • Documented precision adjustment at -40°C tpd
  • 4 ... 20 mA with two-wire technology
  • Process connection G1/2