Note
NPT glands
When using NPT glands, the user must take care to use the supplied NPT thread adaptors.
10.6 Operating conditions
Table 10-14 Basic conditions
Description Specification
Ambient temperature
(Humidity max. 90 %)
Operation:
Transmitter without display
Display
-40 to +60 °C (-40 to +140 °F)
-20 to +60 °C (-4 to +140 °F)
Ambient temperature
(Humidity max. 90 %)
Storage: -40 to +70 °C (-40 to +158 °F)
Climate class DIN 60721-3-4
Altitude Up to 2000 m (6560 ft)
Relative humidity 95 %
Bump resistance On request
Shock resistance On request
Thermal shock On request
Vibration resistance On request
EMC performance
● Emission
● Immunity
● EN 55011 / CISPR-11
● EN/IEC 61326-1 (Industry)
NAMUR
Table 10-15 Process medium conditions
Description Specification
Process medium temperature (T
s
) (min to max) -50 to +200 °C (-58 to 492 °F)
Process medium density (min to max) 1 to 5000 kg/m
3
(0.06 to 312 lb/ft
3
)
Process medium gauge pressure (min to max) 0 to 160 bar (0 to 2321 psi)
Process medium absolute pressure (min to max) Stainless steel: 1 to 101 bar (14.5
to 1465 psi)
Hastelloy: 1 to 161 bar (14.5 to
2335 psi)
Process medium viscosity Gases and non-compressible liq‐
uids
Technical data
10.6 Operating conditions
SITRANS FST030 (Modbus)
128 Operating Instructions, 08/2018, A5E37367739-AD
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