Can we calibrate an actuator?
Answers were Sorted based on User's Feedback
Answer / nitish katoch
no we can we can only calibrate measuring devices..its
calibration is only depend upon its design
Is This Answer Correct ? | 7 Yes | 3 No |
Answer / velu
Actuator can be calibrated. for example Pneumatic Actuators
are used in control valves. we have to calibrate the
Actuator as per name plate depend on the actuator size and capacity(call us bench set) for proper opening
and closure of the valve.
Is This Answer Correct ? | 4 Yes | 0 No |
Actuator can be calibrated. for example Pneumatic Actuators
are used in control valves. we have to calibrate the
Actuator between 3-15psi pressure range, for proper opening
and closure of the valve.
there is nothing saying whether field
devices alone can be calibrated. All process control as well
as sensing devices should be calibrated periodically.
Is This Answer Correct ? | 4 Yes | 3 No |
You cant calibrate an actuator, you can just do setting.(
setting means better performance and more accurate ).
But calibration is the process of measuring the actual
performance of an instrument-under-test using lab
instruments ( or we can do this in the field ) that in
turn have significantly better performance than the
instrument-under-test. The measured performance is then
compared to published data sheet specifications. If observe
the instrument to be out-of-specification, instrument must
adjust and re-test .( for example we can do calibration for
a thermocouple or pressure transmitter )
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / rcsp2689
Inprocess loop measuring Ends can be calibrated . ie., Sensors.. Where else Actuators are Final contol element / Output devices.
Is This Answer Correct ? | 1 Yes | 1 No |
What is instrumentation amplifier?
HOW WE ARE DECIDING WHILE PROGRAMMING IN PID CONTROLLER THAT WE ARE USING HEATING OR COOLING???????
In dissolution apparatus how did you calibrate the distance from end of paddle to bottom of the bowl?
which is the best type to measure level of a Tank(water). Displacer or Differential Pressure method?
Q1: Consider part of a control loop, which excludes the transmitter, consisting of a process, a controller and a control valve which may be represented by two dead times of 0.5 min each and three exponential lags of 0.8 min., 1.0 min. and 1.5 min. respectively. We wish to express this system as an overall first order plus dead time (FOPLD) model ie gain, time constant and process dead time. (We will see later that this is often done, to simplify controller tuning). For this exercise, gain is considered to be 1.0. (A) If the transmitter is a flow transmitter whose behaviour can be described by a dead time of 0.2 min. and an exponential lag of 0.5 min. in terms of the overall dead time and overall first order lag how can the system behaviour be approximated ? Overall dead time = Overall time constant = (B) If the transmitter is a temperature transmitter with a temperature sensor in a protecting well whose behaviour can be described by a dead time of 0.7 min. and an exponential lag of 15 min. how can the overall system behaviour be approximated now? Overall dead time = Overall time constant =
How much voltage we get between two wire of 4 to 20 ma output? Is this voltage up or down respectvice to 4 - 20 ma ?
What is difference between converter & transducers?
State some of balance principle’ advantages?
what is maxdna ?. explain about the software details.
What is difference between profibus and modbus communication
what is the principal of coriolis mass flowmeter
Draw a 3 element level control loop and explain