Testo 6681 – Temperature/humidity transmitter

Testo 6681 – Temperature/humidity transmitter

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.

Testo 6681 – Temperature/humidity transmitter Specifications

• 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