28
SensyMaster FMT230, FMT250
THERMAL MASS FLOWMETER | OI/FMT230/250-EN REV. C
… 6 Installation
Assembly of the welding adapter with flange or threaded connector
Welding adapter with flange connector
Dimensions in mm (in)
1
Centering pin
2
Groove for O-ring
3
Connection flange DN 25 (1 in)
4
Flow direction
Figure 18: Dimensions in mm (in)
h – sensor length
Ø
D – outer pipe diameter
263 (10.35)
80 to 350 (3.24 to 13.78)
425 (16.73)
> 350 to 700 (> 13.78 to 27.56)
775 (30.51)
> 700 to 1400 (> 27.56 to 55.12)*
* The limitation of the maximum pipe diameter only applies for installations with a sensor element in the middle of the pipe. In case of larger or non-round
cross-sections, a non-centered position of the measuring element in the piping is considered in the calibration.
