Environmental Conditions; Ambient Temperature; Nema Rating; Process Conditions - ABB SensyMaster FMT230 Commissioning Instruction

SENSYMASTER FMT230, FMT250 THERMAL MASS FLOWMETER | CI/FMT230/250-EN REV. A
4.2

Environmental conditions

4.2.1

Ambient temperature

— Standard: -20 ... 70 °C (-4 ... 158 °F)
— Extended TA9: -40 ... 70 °C (-40 ... 158 °F)
— Extended TA6: -50 ... 70 °C (-58 ... 158 °F)
Relative humidity
Maximum 85 % RH, annual average ≤ 65 % RH
IP rating
In accordance with EN 60529: IP 65 / IP 67
4.2.2

NEMA rating

NEMA 4X
4.3

Process conditions

4.3.1

Measuring medium temperature

Devices with ceramic element and flange connection
— Standard: -25 ... 150 °C (-13 ... 302 °F)
— Extended (optional, only FMTx50):
-25 ... 300 °C (-13 ... 572 °F)
The approved measuring medium temperature T
depends on the selected sensor process connection and the
design of the pipe components.
The following temperature specifications apply:
Sensor connection
Threaded connection DIN 11851
Clamp ring fitting
Pipe components with ball valve
Integrated hot tap fitting
also
medium
T
medium
-40 ... 140 °C (-40 ... 284 °F)
-25 ... 140 °C (-13 ... 284 °F)
Maximum 150 °C (302 °F)
See the chapter titled 'Integrated
hot tap fitting' on page 10
Maximum operating pressure
Standard for devices with flange connection, P
4 MPa, 40 bar (580 psi)
The approved operating pressure P
selected sensor process connection and the design of the pipe
components.
The following temperature specifications apply:
Sensor connection
Threaded connection DIN 11851
Clamp ring fitting
Integrated hot tap fitting
Pressure drop
A DN 25
10
5
1
0,5
0,1
10 50 100
Fig. 5: Pressure loss in logarithmic representation
A Pressure loss B Mass flow
:
medium
also depends on the
medium
P
medium
1.6 MPa, 16 bar (232 psi)
2 MPa, 20 bar (290 psi)
See the chapter titled 'Integrated
hot tap fitting' on page 10
DN 80
DN 50 DN100
DN 150
500 1000 5000 10000
[kg/h]
G10796
9
B