Measuring Range - Wika Gdm-Rc-100 Betriebsanleitung

9. Specifications
Accuracy specifications
Switch hysteresis
EN
Reference conditions
Storage temperature
Relative humidity,
condensation
In accordance with BS 6134:1991, rate of pressure change 1 % of end value per second.
1)

Measuring range

Measuring range
Pressure limitation
Minimum bursting
strength
Maximum overpressure
Dial
Scale range
Scale graduation
Scale colour
Pointer stop pin
Material
Pointer
28
Measuring range
-1 ... +5 bar at 20 °C
[-14.50 ... +72.51 psi at 68 °F]
-1 ... +7.5 bar at 20 °C
[-14.50 ... +108.77 psi at 68 °F]
-1 ... +11.5 bar at 20 °C
[-14.50 ... +166.79 psi at 68 °F]
Lower switch hysteresis on request
-50 ... +80 °C [-58 ... +176 °F]
≤ 95 % r. h. (non-condensing)
Compensating diaphragm against condensation
0 ... 12.5 bar abs. at 20 °C [0 ... 181.29 psi abs. at 68 °F] SF₆ gas
> 36 bar [522 psi]
1.43 times the measuring range
End of measuring
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range
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Single scale (divided into sections of different colours)
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Double scale (divided into sections of different colours)
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Triple scale (divided into sections of different colours)
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Custom
Without
Aluminium
Aluminium, black
WIKA operating instructions, model GDM-RC-100
Hysteresis level
Typically < 90 mbar
[< 1.30 psi]
Typically < 150 mbar
[< 2.17psi]
Typically < 220 mbar
[< 3.19psi]
1.3 bar or 1.8 bar [18.85 psi or 26.10 psi]
above the first switch point below the
filling pressure
Numbering: ends at 900 mbar [13.05 psi]
above the first switch point below the
filling pressure
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