11WIKA operating instructions pressure switch model PSA-31
GB
14018458.01 11/2011 GB/D/F/E
3. Specications
3.4 Voltage supply
Power supply
DC 15 ... 35 V
Current consumption
maximum 100 mA
Total current consumption
maximum 600 mA including switching current
maximum 500 mA including switching current (with IO-Link option)
3.5 Accuracy
Analogue signal
≤ ± 1.0 % of span
Including non-linearity, hysteresis, zero-point and full scale deviations (corresponds to measured error per IEC 61298-2). Calibrated in
vertical mounting position with process connection facing downwards.
Non-linearity
≤ ± 0.5 % of span BFSL (per IEC 61298-2)
Adjustment accuracy of the switch points
≤ ± 0.5 % of span
Display
≤ ± 1.0 % of span ± 1 digit
Long-term drift
≤ ± 0.2 % of span (per IEC 61298-2)
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