what is the difference about HART, and 4-20mA signal?
Answer Posted / raj
HART=higely addresaable remote tranduer which works on high
frquency modulatition tech. to calbirate smart
transmitter and 4-20ma signal std.linear signal
| Is This Answer Correct ? | 5 Yes | 20 No |
Post New Answer View All Answers
how to calibrate electro pneumatic positioner 8013 mil controls ltd ?gsr
flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty
draw the block diagram of a level transmitter ?
Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?
1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?
How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.
If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?
how to calibrate corollaries (Mass flow meter)?
What is zero elevation and zero suppression?
Explain an adaptive / self-tuning controller’s major draw card.
How to Calibrate Ultrasonic Level Transmitter in field
What is super thermocoupal?
Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.
What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?
How to Calibrate Flammable gas detector in field