3. Specifications
3.4 Reference conditions (per IEC 61298-1)
Temperature
EN
15 ... 25 °C
Atmospheric pressure
860 ... 1,060 mbar
Humidity
45 ... 75 % relative
Power supply
DC 24 V
Nominal position
Calibrated in vertical mounting position with pressure connection facing downwards.
3.5 Accuracy data
Accuracy at reference conditions
≤ 2 % of span
Including non-linearity, hysteresis, zero offset and end value deviation (corresponds to measured error
per IEC 61298-2).
Temperature error at -25 ... +85 °C
Mean temperature coefficient of zero point:
Mean temperature coefficient of span:
12
typical ≤ 0.5% of span/10 K
≤ 0.3 % of span/10 K
WIKA operating instructions pressure transmitter, model R-1