Answer / venky

Comparing test instruments with standard instruments.

Answer / chandrakant sahu

Calibration is most important & heart of any process instrument. There are many definition for calibration i am also trying to describe it a calibration is a process where a known value is applied to the instrument which is under calibration from the master instrument at various step in suitable temp and environment. Repeat & reproductive of process and note down the output.If Output come as same the input of master instrument instrument is ok otherwise set the zero & span and repeat the process

Answer / santhoshnarayanan

Calibration; To check and correct the instrument with standeread test instruments.

Answer / hiren

Calibration procedure is verification of responds of instrument device against the non standandard instrument.

Answer / ahmed

Calibration with several meanings
Which bargains
And Budget
But in filling devices come on the first test of the device and make sure it works in good through Thath in an environment special process
In this case, we adjust all the data it through the Hart and make sure the capsule works by pump pressure and make sure electronic unit through the power unit
All of these tests are done on the basis of Data cheet

Answer / raja

Simply span and zero adjustments

What is negative range in transmeter?

1 Answers   TCL,

How to calibrate Field bus transmitter? procedure ?

0 Answers   Parco,

how to connect the HART protocal with control valves

1 Answers  

HOW WE ARE DECIDING WHILE PROGRAMMING IN PID CONTROLLER THAT WE ARE USING HEATING OR COOLING???????

1 Answers   Eskom,

Name different parts of a pressure gauge.

0 Answers  

hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com

0 Answers  

what is the use of glycol filling in seal pot (or) condensate pot in instrument impluse line?

7 Answers  

Q- Which of the following is Close loop system - a-)respiratory System b-)traffic light system c-)washing machine d-)Room heater my option is A, what is our take on option B & C

4 Answers   Sail,

Why Pressure Transmitter is NOT installed before up-stream of an ORIFICE PLATE? in a flow measurement.

4 Answers   Mecon,

Basic working principle of control valves

1 Answers  

Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 Answers  

how in the 2 - wire transmitter, 24v supply and the 4ma signal gets in the same path?

1 Answers   Yokogawa,