Instrumentation Engineering Interview Question:

if we have 450 mm heigth boiler drum level ,so what is span & zero value for a dpt tranmitter?

Submitted by: Administrator

zero will be -400mm and span will be LRV will be -400mm and
URV will be 0 mm.
Submitted by: Administrator

at 4 MA=HP-LP SO(0-450)
=-450MMWC
AT 20 MA (450-450)
=0 MMWC
Submitted by: Deepan.p

Lrv is -450 and urv 0.
Submitted by: Hitesh