Testo 6651 – Temperature/humidity transmitter
The testo 6651 transmitter for demanding measuring tasks: In combination with the testo 660x probe series, the transmitter can master exceptionally demanding measuring tasks in air conditioning technology and numerous other fields of application.
Testo 6651- Temperature and humidity transmitter Specifications:
- Meas. range of humidity: 0 to 100 %RH
- Units :Relative humidity %RH , °Ctd, °Ftd, g/m³
- Meas. range: 0 to 100 %RH
- Units: Temperature in °C / °F
- Quantity: 2 channels
- Output type :0/4 to 20 mA (2-wire/4-wire),0 to 1/5/10 V (4-wire)
- Ethernet :Optional: module can be fitted as intermediary layer
- Meas. range of Temperature: Dependent on probe (testo 660x)
- Voltage supply: 2-wire: 24 VDC ±10 % / 4-wire: 20 to 30 VAC/DC
- Current consumption: max. 300 mA
- Material: Plastic
- Dimensions: 122 x 162 x 77 mm (without probe)
- Weight 0.675 kg (without probe, without Ethernet module)
- Protection class: IP65
- EMC: 2004/108/EG