How to check vortex flow meter is in good condition while we do not having cal

How to check vortex flow meter is in good condition while
we do not having calibration setup?

Question Posted / ninad gaikwad

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How to check vortex flow meter is in good condition while we do not having calibration setup?..

Answer / krishna reddy

Let me know first which make you have.

Instrument have min and max ranges on its name plate.
So wiht multimeter you can check 4-20ma of flow meter.It
must be 4 ma if flow is zero and 20ma if flow is max range.
supose your flow mete got 100L/hr.
for 4ma flow should be 0 L/hr
8ma - 25L/hr
12ma - 50L/hr
16ma - 75L/hr
20ma - 100L/hr

Like this you can check.

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How to check vortex flow meter is in good condition while we do not having calibration setup?..

Answer / amit

U can do the cold test by checking the sensor.It has piezo
sensors in symetrical manner. U can check both piezo
sensor by checking the capacitance. If capacitance is
accordance with size means sensor is OK. same way u can
check temp and pressure sensor(by checking the resistance)
if it has.This way u can check the healthiness of the
sensor. If u want to check the response of sensor, u can
give little vibration to the sensor by hammering on it and
check the response on transmitter. U cannot directly check
the calibration for flow on field itself.

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How to check vortex flow meter is in good condition while we do not having calibration setup?..

Answer / tuhin

@soumil: no hp and lp side exist in vortex flowmeter. Vortex
principle is different.

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How to check vortex flow meter is in good condition while we do not having calibration setup?..

Answer / saumil

In this meter hp or lp any one side we isolate line valve and check zero if it is ok then meter is ok

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