Question { IMECO, 6356 }
how can calibrate vacume trasmitter by HART COMMUNICATOR ?
Answer
for ex: the range is -760 to 0mmhg .
by following procedure we can calibrate the transmitter by
using hart
1.give the supply to transmitter
2: connect hart to transmitter with 250ohms series resistor
3.switch on the supply
4. hart shows device connected
5. go to process parameter and change the follwing
parameters
LRV:760mmhg
URV:0mmhg
then press send .then cross check the transmitter with
master pressure calibrator