Siemens Duct Sensor QFM2160

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The Siemens QFM 2160 duct sensor is designed for use in air ducts of ventilation and air condition for acquiring the temperature and relative humidity. The QFM2160 provides high accuracy measurements as well as measurements over a wide range of temperature (selectable) and humidity. Combined with a high degree of protection, the QFM2160 is the comprehensive solution to all your HVAC related temperature and humidity monitoring needs.

Applications :

Control sensors in the supply or extract air

Reference sensors, e.g. for shifting the dew point

Limit sensors, e.g. in connection with steam humidifiers

Limit sensors, e.g. for measured value indication or for connection to a building automation and control system.

Specifications :

Operating voltage

:

AC 24 V; DC 13.5...35 V

Sensing element, temperature

:

DC 0...10 V

Measuring range, temperature

:

0...50 °C; -35...35 °C; -40...70 °C

Measurement range humidity

:

0...95 % r.h.

Measurement accuracy

:

Humidity at 30...70 % r.h. and 23 °C: ±3 % r.h.; Temperature, at 15...35 °C: ±0.8 K; Temperature, at 35...50 °C: ±1.0 K

Time constant

:

Humidity

Immersion length

:

90...154 mm

Connection, electrical

:

Screw terminals

Type of fixing

:

Flange

Analog output, signal

:

DC 0...10 V; DC 4...20 mA

Signal output temperature

:

DC 0...10 V

Signal output humidity

:

DC 0...10 V

Degree of protection

:

IP54

Dimensions (W x H x D)

:

80 x 88 x 39 mm

Note: For more detailed specifications, please download the additonal documents Download PDF

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