Question
How will you calibrate an absolute pressure transmitter vaccum manometer Range 0-400mm abs ?
Answers
The procedure for calibration is as follows :
1. Connect air supply to the transmitter.
2. Connect a test gauge of 0-1.4 Kg/cm2 to the output.
3. Connect Vaccum pump with tee off to the manometter.
4. Apply 760 mm Vaccum ( or Hearest ) and adjust zero.
5. Apply 360 mm Vaccum adjust span. ( 760 - 360 = 400 mm abs. )   Your Comment




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