Voltage Supply; Accuracy Specifications - WIKA MH-3 Mode D'emploi

9. Specifications
Load
4 ... 20 mA:
■
DC 0 ... 10 V:
■
DC 1 ... 5 V:
■
EN
DC 1 ... 6 V:
■
DC 0.5 ... 4.5 V: > 4.5 kΩ
■

9.3 Voltage supply

Supply voltage
The power supply depends on the selected output signal.
4 ... 20 mA:
■
DC 0 ... 10 V:
■
DC 1 ... 5 V:
■
DC 1 ... 6 V:
■
DC 0.5 ... 4.5 V: DC 4.5 ... 5.5 V
■
Current supply
The current supply depends on the selected output signal.
4 ... 20 mA
■
DC 0 ... 10 V
■
DC 1 ... 5 V
■
DC 1 ... 6 V
■
DC 0.5 ... 4.5 V < 10 mA
■
9.4 Reference conditions (per IEC 61298-1)
Temperature: 15 ... 25 °C [59 ... 77 °F]
Atmospheric pressure: 860 ... 1,060 mbar [12.5 ... 15.4 psi]
Air humidity: 45 ... 75 % r. h.
Supply voltage: DC 24 V
Mounting position: Calibrated in vertical mounting position with pressure connection
facing downwards.

9.5 Accuracy specifications

Accuracy at reference conditions
≤ ±1 % of span for measuring ranges ≥ 40 bar [≥ 500 psi]
≤ ±2 % of span for measuring ranges < 40 bar [< 500 psi]
Including non-linearity, hysteresis, zero offset and end value deviation (corresponds to
measured error per IEC 61298-2).
Non-linearity (per IEC 61298-2)
≤ ±0.25 % of span for measuring ranges ≥ 40 bar [≥ 500 psi]
≤ ±0.40 % of span for measuring ranges < 40 bar [< 500 psi]
16
≤ (power supply - 10 V)/0.02 A
> 5 kΩ
> 2.5 kΩ
> 5 kΩ
DC 10 ... 36 V
DC 14 ... 36 V
DC 8 ... 36 V
DC 9 ... 36 V
< 30 mA
< 10 mA
< 10 mA
< 10 mA
WIKA operating instructions, OEM pressure sensor, model MH-3