PFT28Ka

Climate transmitter PFT28Ka

• Measurement of temperature and relative humidity
• Digital signal transmission from the sensor to the evaluation electronics
• Response time of a few seconds
• Easy interchangeability of the sensor
• Alphanumeric LCD display
• Analog outputs 0/2...10 V or 0/4...20 mA
• Supply voltage 15...30 Vdc or 24 Vac (± 15%)
• Compact plastic housing Protection class IP54; UL 94 HB
• Measuring range relative humidity 0 ... 100% (short term condensation possible)
• Measuring range temperature -30...+ 50 °C, 0...50 °C, 0...100 °C
• Calculation and display of dew point temperature, enthalpy wet bulb temperature and absolute humidity

The transducer PFT28Ka converts the measured variables of temperature and relative humidity into the following parameters: dewpoint temperature, absolute humidity, moisture ball temperature and enthalpy.

The device has two analog outputs: Output 1 supplies the temperature signal and one of four further measured variables can be applied to output 2 via two-pole DIP switches.

For direct display of the measured value, measured value and unit, the device has a two-line alphanumeric display.

Different versions are available:
A room sensor for wall mounting, a duct sensor for installation in a ventilation duct and a cable management variant with 2 m cable. In both versions, the sensor tube is installed directly on the housing. The output signals can be switched from 0/2 ... 10 V to 0/4 ... 20 mA with a plug-in bridge. The device is supplied with 15 ... 30 Vdc or 24 Vac.