![]() Use clean, dry compressed air to remove contamination from the sensor. The flow meter must be switched off during cleaning. ![]() The flow meter must be carefully handled since it contains sensitive electronics which may get damaged due to sudden movements or impacts.Wear nose mask, goggles and hand gloves while using the instrument.Calibration Frequency of Air Flow Meter:Ĭalibration frequency is once in a year or suggested by the service engineer.ħ. Get the instrument serviced by relevant service providers.Ħ. Do not use the instrument and raise an incident and investigate it.ĥ. If the calibration has failed, then update the status label with the calibration status as “Failed”Ĥ. After approval of calibration document, if calibration complies, affix a Calibration of instrument/Equipment label on the instrument and update the relevent details indicating the status as “Passed”.ģ. Calibration has been performed by external agency.Ģ. Calibration of Air flow meter: Air Flow Meterġ. Flow rate can be set from 0 to 20 L/Min.ĥ.Flow rate is displayed on the LCD panel.Flow direction can be identified by arrow mark on back panel. The outflow of flow meter is connected to test apparatus using a connecting tube and a suitable flow adaptor.The on/off switch is located at near side of flow meter. The inlet of flow meter is kept open to the atmosphere.Ensure that there is un-interruptible stabilized power supply to the instrument.Connect the air flow meter power adaptor to main power supply.The Air flow meter consist of Flow Meter DFM 2000, A Suitable Flow Adaptor, Connecting Tube.QC Head/Designee: For Compliance of the procedure This SOP covers the operation and calibration of air flow meter. To lay down a procedure for operation and calibration of Air Flow meter. SOP for Operation and Calibration of Air Flow Meter:
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