Vaisala WMS302 Betriebsanweisung Seite 252

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User's Guide ______________________________________________________________________
250 __________________________________________________________________M210630EN-B
Emissions
Radiated interference test setup is according to EN55022.
Immunity
Table 78 Soil Temperature Sensor QMT107 Specifications
Property Description/Value
Measurement range -40 ... +60 °C (-40 ... +140 °F)
Output signal Four-wire connection
Temperature sensor 7 × Pt-100 IEC 751 1/3 Class B
Temperature reference 100R00 0.01% 5 ppm resistor
Accuracy, when zero-point
calibration has been
activated
±0.3 °C
Operating temperature
range
-40 ... +60 °C (-40 ... +140 °F)
Storage temperature range -40 ... +80 °C (-40 ... +176 °F)
Supply voltage VCC 6 ... 30 VDC
Settling time <10 ms
Power consumption <1.5 mA
Output load >1 M (to ground)
Weight (gross/net) 875/640 g (1.93/1.41 lb.)
Cable length 1 m (3.3 ft.)
Housing material Glass fiber tube/epoxy fill
Housing classification
(electronics)
IP 68 (NEMA 4)
Dimensions l × Ø 1200 × 20 mm (47.2 × 0.8 in.)
Table 79 Immunity Tests
Test Test Setup Performance Criteria
Static discharge ESD IEC 1000-4-2 B
Radiated interference IEC 1000-4-3 (3 V/m) B
Fast transient EFT IEC 1000-4-4 B
Conducted interference IEC 1000-4-6 B
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