Data Sheet for Product

Page 2 of 3 Siemens Building Technologies, Inc.I
Specifications
Power Consumption
(QAM21x1.040)
<1 VA
Measuring Range:
Passive Resistance
NTC
-40°F to 176°F (-40°C to 80°C)
Platinum 1K Ω
-58°F to 176°F (-50°C to 80°C)
Active Output (QAM21x1.040)
R2 (factory setting)
-58°F to 122°F (-50°C to 50°C)
R1
32°F to 122°F (0°C to 50°C)
R3
-31°F to 95°F (-35°C to 35°C)
Time Constant 30 s at 2 m/s
Output Signals:
Passive Resistance
Active Output (QAM21x1.040)
Linear (Terminal U1)
Linear (Terminal I1)
Changing resistance
0 to 10 Vdc
-58°F to 122°F (-50°C to 50°C) or -31°F to 95°F (-35°C to 35°C) or
32°F to 122°F (0°C to 50°C)
Max.
+1 mA
4 to 20 mA
-58°F to 122°F (-50°C to 50°C) or -31°F to 95°F (-35°C to 35°C) or
32°F to 122°F (0°C to 50°C)
Degree of housing protection IP 54
Connection terminals for 18 to 22 AWG, twisted pair, NEC Class 2
Sensing Element Type NTC Thermistor or Platinum RTD
Accuracy:
NTC Thermistors, calibration point
±1.0°F (±0.5°C) @ 77°F (25°C)
Platinum RTD, calibration point
±0.75°F (±0.4°C) @ 32°F (0°C)
Operation (housing):
Temperature
Humidity
Transport
Temperature
-40°F to 158°F (-40°C to 70°C)
5 to 95% rh
-13°F to 158°F (-25°C to 70°C)