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21
WIKA operating instructions gas density monitor model GDM-100
EN
14300397.03 07/2021 EN/DE/FR/ES
Specifications
Weight
With gas filling
Approx. 0.8 kg
With fill fluid
Approx. 1.2 kg
High-voltage test 100 %
2 kV, 50 Hz, 1 s
Electrical connection
Cable socket with compression fitting M20 x 1.5
Wire cross-section max. 2.5 mm²
Number of switch contacts
1 ... 3 magnetic snap-action contacts
Switching directions
Falling pressure or rising pressure
Switching functions
Normally open, normally closed or change-over contact
Circuits
Galvanically connected (not for change-over contact) or
galvanically isolated
Switching accuracy
Switch point = calibration
pressure P
E
See accuracy specifications
Switch point ≠ calibration
pressure P
E
Parallel to the reference isochore of the calibration pressure
Max. switching voltage
AC 250 V
Switching power
With gas filling: 30 W / 50 VA, max. 1 A
With fill fluid: 20 W / 20 VA, max. 1 A
Material of switch contacts
80 % Ag / 20 % Ni, gold-plated
Calibration valve
Weld seams
Qualified in accordance with DIN EN ISO 15613 in combination
with DIN EN ISO 15614-1 and DIN EN ISO 15614-12 by the
notified body TÜV Süd
Tightening torque test
connection
40 Nm ±10 %
Gas-tight
Leakage rate ≤ 1 · 10
-8
mbar · l/s
For further specifications, see the order documentation.
9. Specifications