capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

1 Answers   Gasco,

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in which mode of the zener diode act when load voltage is approximately constant

1 Answers  

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How to Calibrate the magnetic flow meter on site ?

1 Answers   MRL,

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can i calibrate DP transmitter online (while Tx in Service) if yes ,how?

1 Answers   CEPC,

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Dear sir i m presently working in power plant nd my question is if any pump give flow 18tph then how would i know that how much range flow tx installed their flow line for flow measurement plz give me ans

1 Answers   HPSL, Infotech,

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How does milli volt is created in themocouple?

2 Answers   Jaypee,

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why fuse block is not used for AI signal?

0 Answers  

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what is the difference between the microcontroller and PLC?

9 Answers   HAL, Havells,

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a pressure transmitter with a range of 0 to 2500kpag has a specified accuracy of 0.5 % of span.It is to be calibrated using a comparison gauge to have an accuracy of 0.1% of span.The comparison gauge has a range of 0 to 3000kpag What is the accuracy ratio? is this ratio acceptable?

2 Answers  

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What safety precautions you will adopt to work on Steam service control valve?

1 Answers   QAFCO,

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why 4 to 20 ma? why cant some other range?

3 Answers  

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what does it mean an active front end in vfd plz explain it briefly

0 Answers  

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