Answer / simi susan john

Double acting position er send and exhaust the air at one side of the actuator to position the valve.
Single acting positioner send and exhaust the air at both the sides.

why does mA signal preferred for signal transmission?

12 Answers   Emerson,

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HOw To Use 24V DC in Instrument?

2 Answers  

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can anybody will tell me abiut PID controller.

4 Answers  

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what is difference between fork type and capacitance type level switch. where it is using

0 Answers  

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i install a DP transmitter of Faugi on drum level of boiler but i face a problem in it when i engergize the transmitter the meter shows 0 or 100% no variation in it.the distance of two points is 19.5 inches, i am in trouble please suggest me what can i do it's very urgent Please reply me as soon as possible Best regards ikraam haider

5 Answers  

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in a power plant which system are compensated?

2 Answers  

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what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail

0 Answers  

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whey we conect ammeter in series and voltmeter in parallel in circuit

1 Answers  

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Tr. Wiring for calibration.

0 Answers   CCIE,

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How to fix back the valve actuator stem

0 Answers   SAFCO, Tarpon,

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what is the difference between plc & DCS?

5 Answers   Cheminova, NGIL, Siemens,

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How to calibrate DP tramitter in flow measurement application? consider my range of flow is 0 to 2000 kg/hr ? please give calculation of , How much pressure applied on low pressure side and high pressure side please give detail of calculation .... It so important for me please reply as soon as possible

1 Answers  

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