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266CRH / 266CRT, 266CSH / 266CST MULTIVARIABLE PRESSURE TRANSMITTER | OI/266CXX/MODBUS-EN REV. A
Static pressure limits
The transmitter models 266CSX can operate within the
specifications with the following limits:
Sensors
Filling fluid
A
Silicone oil
A
Fluorocarbon
(Galden)
C to N
Silicone oil
C to N
Fluorocarbon
(Galden)
*
1 MPa, 10 bar, 145 psi for Kynar-PVDF
Test pressure
The transmitters can withstand a pressure test with the
following line pressure without leaking:
Model
266CSX
*
Meets hydrostatic test requirements of ANSI/ISA-S 82.03.
Change from two to one column
Static pressure limits
3.5 kPa abs., 35 mbar abs., 0.5 psia
and 0.6 MPa, 6 bar, 87 psi
or 2 MPa, 20 bar, 290 psi
depending on code variant selected*
17.5 kPa abs., 175 mbar abs., 2.5 psia
and 0.6 MPa, 6 bar, 87 psi
or 2 MPa, 20 bar, 290 psi
depending on code variant selected*
3.5 kPa abs., 35 mbar abs., 0.5 psia
and 2 MPa, 20 bar, 290 psi
or 10 MPa, 100 bar, 1450 psi
or 41 MPa, 410 bar, 5,945 psi
depending on code variant selected*
17.5 kPa abs., 175 mbar abs., 2.5 psia
and 2 MPa, 20 bar, 290 psi
or 10 MPa, 100 bar, 1450 psi
or 41 MPa, 410 bar, 5,945 psi
depending on code variant selected*
Test pressure
1.5 x nominal pressure (static pressure
limit) simultaneously on both sides*
Temperature limits °C (°F)
Environment
This is the operating temperature.
All models
Silicone oil
Fluorocarbon (Galden™)
All models
Integrated digital display (LCD)*
Viton™ gasket
PTFE gasket
*
If may no longer be possible to read the digital display (LCD) clearly below
20 °C ( 4 °F) and above 70 °C (158 °F).
Note
For applications in potentially explosive environments, the
temperature specified on the certificate / approval which
depends upon the type of protection sought shall apply.
Process
All models
Silicone oil
Fluorocarbon (Galden™)
Viton™ gasket
PTFE gasket
*
85 °C (185 °F) for applications under 10 kPa, 100 mbar abs., 1.45 psia up to
3.5 kPa abs., 35 mbar abs., 0.5 psia
** 85 °C (185 °F) for applications below atmospheric pressure up to
17.5 kPa abs., 175 mbar abs., 2.5 psia
14 Additional documents
Note
All documentation, declarations of conformity, and certificates
are available in ABB's download area.
www.abb.com/pressure
89
Ambient temperature limits
40 and 85 °C ( 40 and 185 °F)
40 and 85 °C ( 40 and 185 °F)
Ambient temperature limits
40 and 85 °C ( 40 and 185 °F)
20 and 85 °C ( 4 and 185 °F)
20 and 85 °C ( 4 and 185 °F)
Process temperature limits
40 and 121 °C ( 40 and 250 °F)*
40 and 121 °C ( 40 and 250 °F)**
20 and 121 °C ( 4 and 250 °F)
20 and 85 °C ( 4 and 185 °F)
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