Please explain the difference between instrument range and calibration range i

Please explain the difference between instrument range and
calibration range in terms of pressure transmitter?

line design pressure: 93 bar
operating pressure : 82 bar
press Transmitter Range?
calibration range ?

Question Posted / rajesh.kon

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Please explain the difference between instrument range and calibration range in terms of pressure..

Answer / ahmed helmy

- instrument range is the maximum range of instrument.
- Calibration range is at which the instrument calibrated
for example
- if we have a pressure tx instrument range 0:10 bar
- we can calibrate it at any position between 0:10 bar suppose we calibrate it at 0:4 bar its mean its calibration range
is 0:4bar and instrument range 0:10 bar

Based on your case:
- line design pressure=93 bar (max pressure in the line)
- operating pressure=82 bar
so we can install pressure tx range:0 to 120 bar and calibrate the pressure tx in range from 0 to 93 bar

Is This Answer Correct ?

19 Yes

6 No

Please explain the difference between instrument range and calibration range in terms of pressure..

Answer / furqan

In addition we also can not calibrate the pressure transmitter as equal to designed line pressure
calibrate the pressure transmitter on 80 percent of designed line pressure.

Is This Answer Correct ?

4 Yes

2 No

Please explain the difference between instrument range and calibration range in terms of pressure..

Answer / sri

hi can i know y reasons why cant we choose instrument range as a calibrated range?

Is This Answer Correct ?

0 Yes

1 No

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