Operating Limits; Pressure Limits; Temperature Limits °C (°F); Limits For Environmental Effects - ABB 261GS Operating Instruction

9.2

Operating limits

9.2.1

Pressure limits

Overpressure limits
No damage will occur during transmitter operation, if they are
used within the specifications and subject to the following
limits:
Sensor code
C, F
L
D
U
R
V
Test pressure
When carrying out the transmitter pressure test, it is essential
to observe the overpressure limits!
9.2.2 Temperature limits °C (°F)
Environment
Model 261GS, 261AS
Operating temperature range
White oil filling
LCD display
IMPORTANT (NOTICE)
For applications in potentially explosive atmospheres, the
temperature range specified on the relevant
certificate/approval must be observed.
Process
Model 261GS, 261AS
Process temperature range
White oil filling
1 ≤ 85 °C (185 °F) for operating pressures below the atmospheric pressure
Storage
Model 261GS, 261AS
Storage temperature range
LCD display
White oil filling
Model 261GS, 261AS
Relative humidity
Overpressure limits, 0 abs to:
1 MPa, 10 bar, 145 psi
0.5 MPa, 5 bar, 72.5 psi
2 MPa, 20 bar, 290 psi
6 MPa, 60 bar, 870 psi
20 MPa, 200 bar, 2900 psi
90 MPa, 900 bar, 13050 psi
Ambient temperature limits
-40 ... 85 °C (-40 ... 185 °F)
-6 to 85 °C (21 to 185 °F)
-20 to 70 °C (-4 to 158 °F)
Process temperature limits
-50 to 120 °C (-58 to 248 °F)
-6 ... 120 °C (21 ... 248 °F) 1
Storage temperature range
-50 to 85 °C (-58 to 185 °F)
-40 ... 85 °C (-40 ... 185 °F)
-6 to 85 °C (21 to 185 °F)
Humidity during storage
Up to 75 %
9.2.3

Limits for environmental effects

Electromagnetic compatibility (EMC)
The devices conform to the requirements and tests for EMC
Directive 2014/30/EU, as well as EN 61000-6-3 concerning
emitted interference and EN 61000-6-1, EN 61000-6-2
concerning interference immunity.
The devices fulfill NAMUR recommendations.
Pressure Equipment Directive (PED)
The devices meet the requirements of Directive 2014/68/EU,
Category III, module H.
Humidity
Relative humidity: up to 100 %.
Condensation, icing: permitted.
Vibration resistance
Acceleration up to 2 g at frequencies of up to 1000 Hz (in
accordance with IEC 60068-2-6).
Shock resistance
Acceleration: 50 g
Duration: 11 ms
(according to 60068-2-27)
Humid and dusty atmospheres (IP rating)
The transmitter is dust and sand-tight, and is protected
against immersion effects as defined by the following
standards:
— EN60529 with IP 67 (with IP 68, IP 69K upon request)
— NEMA 4X
— JIS C0920
IP65 degree of protection with plug connection
261Gx, 261Ax | IM/261Gx/Ax-EN Rev. 08 39