Omega-engineering FLR1000 Manual do Utilizador descarregar pdf (Página 27)

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Symptom Possible Cause Method of Correction

Flow indication is not

linear and output too

low at lower flows

Attempting to measure

flows below the specified

minimum for the unit

Moisture or liquid in sensor

Mechanical sensor assembly

damaged

Use higher flow rates

Remove moisture and allow

sensor to dry out

Unit must be returned for

repair (see Section J)

Flow reading accuracy

is outside the

specification

Gas has a specific gravity

other than Air at 20°C

Moisture in sensor

Mechanical sensor assembly

damaged

Pressure drop issue

Calculate the flow reading

error / offset as explained in

section C6

Allow sensor to dry out.

Ensure gas is dry.

Unit must be returned for

repair (see Section J)

Correct for the pressure

drop ( ΔP )

Flow indication is fixed

at one value

The maximum rated flow for

the unit is being exceeded.

Output circuits may be

damaged

Reduce the flow

Unit must be returned for

repair (see Section J)

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