20
WIKA operating instructions gas density monitor model GDM-63
EN
14502554.01 07/2021 EN/DE
Specifications
Case
■
Stainless steel, with gas filling
■
Stainless steel, with filling liquid
Gas-tight: Leakage rate ≤ 1 · 10
-5
mbar · l / s
Window
Laminated safety glass or clear non-splintering plastic
Ring
Bayonet ring, stainless steel, secured by means of 3 welding
spots
Permissible air humidity
≤ 90 % r. h. (non-condensing)
Ingress protection
IP65 per IEC60529
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 outlet, length 1 m
Cable bushing from glass
Number of switch contacts
1 or 2 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
For further specifications, see the order documentation.
9. Specifications