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Specifications – WIKA PSA-31 User Manual

Page 11

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11

WIKA operating instructions pressure switch model PSA-31

GB

14018458.01 11/2011 GB/D/F/E

3. Specifications

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)