Vaisala WMS302 Guide de l'utilisateur Page 246

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User's Guide ______________________________________________________________________
244 __________________________________________________________________M210630EN-B
Air Temperature and Relative Humidity Sensor
Specifications
Table 68 Air Temperature and Relative Humidity Sensors
General Specifications
Property Description/Value
Operating temperature range -40 ... +60 °C (-40 ... +140 °F)
Storage temperature range -40 ... +80 °C (-40 ... +176 °F)
Supply voltage 7 ... 35 VDC
Settling time 500 ms
Power consumption < 4 mA
Output load >10 k (to ground)
Weight (including package) 350 g (0.77 lb.)
Housing material ABS plastic
Housing classification (electronics) IP 65 (NEMA 4)
Sensor protection (standard) Membrane filter, part no. 2787HM
Dimensions in mm (inches) See Figure 168 on page 245
Emissions Radiated interference, test setup
according to EN55022
Radiated interference (IEC 1000-4-3)
immunity
Level 3 (10 V/m)
Electrostatic discharge (IEC 801-4)
immunity
Level 4
Table 69 Air Temperature and Relative Humidity Sensors
Temperature Specifications
Property Description/Value
Temperature sensor Pt-100 IEC 751 1/3 Class B
Accuracy < ±0.2 °C (± 0.36 °F)
Output signal Resistive four-wire connection
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