
EN
WIKA operating instructions pressure gauge, model PG28
24
14401362.01 06/2020 EN/DE
Model PG28
Permissible temperatures
Ambient temperature
■
-40 ... +60 °C [-40 ... +140 °F] for unfilled
instruments
■
-20 ... +60 °C [-4 ... +140 °F] for instruments
with glycerine filling
■
-40 ... +60 °C [-40 ... +140 °F] for instruments
with silicone oil filling
■
-70 ... +60 °C [-94 ... +140 °F] for low-temper-
ature version with silicone oil filling
Medium temperature
■
≤ 200 °C [≤ 392 °F] for unfilled instruments
■
≤ 100 °C [≤ 212 °F] for filled instruments
Temperature effect
When the temperature at the measuring system
deviates from the reference tempe20 °C
[68 °F]: ≤ ±0.4 %/10 K [≤ ±0.4 %/18 °F] of full
scale value
Wetted materials
Process connection,
pressure element
Hastelloy C276
Ingress protection per
IEC/EN 60529
■
IP65
■
IP54 for back mount (safety version “S3”)
For further specifications see data sheet PM 02.32
9. Specifications