The testo 6681 temperature and humidity transmitter is ideal for monitoring critical climate values in industrial processes or in research. The transmitter is designed for use in industry and is a reliable partner in trace humidity and compressed air process technology, drying and air conditioning technology.
- Measuring range of Humidity: 0 to 100 %RH
- Display :Optional: 2-line LCD with clear text line
- Resolution:0.1 %RH / °Ctd / °Ftd / °Ctw / °Ftw or 0.01 °C/°F 1g / kg / g/m³ / ppm
- Measuring range of Temperature: Measuring range Dependent on probe (testo 661x)
- Parameterization :4 operating buttons for display / P2A software
- Protection class :IP65
- Accuracy of the analog outputs:0/4 to 20 mA ± 0.03 mA,0 to 1 V ±1.5 mV,0 to 5 V ±7.5 mV,0 to 10 V ±15 mV
- Material: Metal
- Dimensions: 122 x 162 x 77 mm (without probe)
- Weight: 1.960 kg
- Voltage supply: 2-wire: 24 VDC ±10 % / 4-wire: 20 to 30 VAC/DC
- Current consumption: max. 300 mA