22
WIKA operating instructions, models GDM-100-TI, GDM-100-TA
EN
14300398.01 04/2019 EN/DE/FR/ES
Accuracy specifications
Start and end of the
measuring range
-40 °C: 4 % of span
20 °C: 2 % of span
60 °C: 3.3 % of span
Stability per year
≤ 0.3 % of span
Switch contacts
Switching accuracy in the temperature range -20 … +60 °C
Switch point = calibration pressure P
E
: In accordance with customer
specification
Switch point ≠ calibration pressure P
E
: Parallel to the reference iso-
chore of the calibration pressure
Operating conditions
Permissible temperature range
Ambient
-20 ... +60 °C (gaseous phase)
Storage
-40 ... +60 °C
Ingress protection per
IEC/EN 60529
IP65
Intended medium
pure SF
6
gas, further gas mixtures on request
High-voltage test 100 %
2 kV, 50 Hz, 1 s (wiring against case)
Electromagnetic
compatibility (EMC) to
IEC 61000-4
IEC 61000-4-2 (ESD): Test level 4 (8 kV)
IEC 61000-4-3 (Field): Test level 3 (10 V/m)
IEC 61000-4-4 (Burst): Test level X (±2 kV)
IEC 61000-4-5 (Surge): Test level 2 (±1 kV)
IEC 61000-4-6 (Conducted RFI): Test level 3 (10 V)
Process connections
Process connection
G ½ B per EN 837, lower mount
Spanner flats 22 mm
(Option: Flange connection)
other connections and connection locations on request
Electrical connection
Switch contacts
Cable socket with M20 x 1.5 cable gland
Wire cross-section max. 2.5 mm²
(Option: Plug-in cable box)
Transmitter
With built-in transmitter: Cable outlet
With built-in transmitter: Angular connector (2-pin), IP67 (option:
Field case, stainless steel, IP67)
Electrical safety
Protection against reverse polarity and overvoltage
9. Specifications
