Siemens QFM21 Series Temperature Humidity Duct Sensor

4,410.0013,384.00

(GST 18% Exclusive)

299 in stock

2591

  Usually ships in 2 - 4 weeks

(However please contact store for precise delivery schedule. Backorder also allowed)

Siemens QFM21 Series Temperature Humidity Duct Sensor can be utilized for all systems or appliances capable of obtaining and handling the sensor’s 0 to 10 Vdc, 4 to 20 mA, or passive resistance output signals.

Applications: Control sensors in supply or return air ducts, Reference sensors, Industrial, Commercial and General Buildings.

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Siemens QFM21 Series Temperature Humidity Duct Sensor for relative humidity and temperature with basic features 24 Vac or 13.5 to 35 Vdc operating voltage, 0 to 10 Vdc or 4 to 20 mA signal output for relative humidity sensing, 0 to 10 Vdc or 4 to 20 mA, or Siemens Ni 1K ohm signal output for temperature sensing and +3% measuring accuracy for relative humidity, within the comfort range.

Features of Siemens QFM21 Series Temperature Humidity Duct Sensor:

  • Operating voltage AC 24 V or DC 13.5…35 V
  • Signal output DC 0…10 V for relative humidity
  • Signal output DC 0…10 V or T1 or LG-Ni 1000 for temperature
  • Measuring accuracy ±3 % relative humidity within the comfort range

Additional information

Weight 1 kg
Manufacturer

Siemens

Select Model

QFM2100, QFM2101, QFM2110, QFM2120, QFM2160U, QFM2171

Accuracy

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

Output

DC 4…20 mA

Immersion length

90…154 mm

Output-Analog

DC 0…10, DC 4…20 V

Operating Voltage

DC 13.5…35 V

Protection class

IP54

Calibration

Provided alongwith and valid for 1 year, traceable to National Standards.

Dimensions

80 X 88 X 39mm

Weight

180 Grams

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Siemens QFM21 Series Temperature Humidity Duct Sensor

4,410.0013,384.00

(GST 18% Exclusive)

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