testo 6621 – moisture transmitter for channels without display

Testo's highly accurate and long-term stable moisture sensor

  • Easy and safe handling
  • Measuring range of moisture: 0...100%.
  • Measuring range temperature: 0... +60°C

Delivery time: 5-10 working days

Send a request

Delivery time: 5-10 working days

testo 6621 – Moisture transmitter for duct mounting without display

The testo 6621 is a compact moisture transmitter series with a stylish design and a wide range of options. The high-accuracy and long-term stable moisture sensor is the heart of Testo’s 6621 transmitter series, which can be adapted to most applications due to the great freedom of choice. As an option, the user-friendly software P2A is available, which allows the adjustment of the transmitters, parameterization of units and scale, provides history of all events, etc.

Available in designs:

  • For wall mounting with internal or external sensor and for duct mounting
  • With or without display
  • Optional output signals 4-20 mA, 0-1 V, 0-5 V, 0-10 V
  • Optional types of filters – Teflon, metal sinter, mesh, etc.

Contact us for prices and more information

Enclosure MaterialABS
Measure81x81x26mm

Protection classIP65
Operating temperatureElectronics (instrument housing) -20...+70°C

Display: ±0...+50°C
Screw connection1xM16x1.5
Moisture sensorTesto moisture sensor
Temperature sensorNTC sensor
Measurement rangeHumidity: 0...100 %RH

Temperature: ±0...60°C
Adjustment points11.3%RH, 75.3%RH

and that the analog output can also be adjusted"
Accuracy :
Moisture±2.5 %RH (0...90%RH)

±4 %RH (90...100%RH)
temp0,5°C
Analog output:4...20 mA (2-wire technology) two separate outputs

0...1V (4-wire technology) two separate outputs

0...5V (4-wire technology) two separate outputs

0...10V (4-wire technology) two separate outputs

Power supplyWith analog output: 24VDC ±10%

With volt output: 20...30VDC
EMCIn accordance with Directive 89/336 EEC
Sensor insertion length:220mm
There are no probes for this item.
Icon
Datablad testo 6621
Icon
Broschyr testo 6621

Skriv din fråga i det här fältet.

Similar products

testo 6621 – moisture transmitter for channels with display

Humidity transmitter for duct mounting with display

  • Testo's highly accurate and long-term stable moisture sensor
  • Measuring range of moisture: 0...100%.
  • Measuring range temperature: 0... +60°C