Photovac MicroFID Portable Flame Ionization
Contents
1. zero sensitivity and alarm level gt Key in desired Response Factor and hit Enter Note If the Response Factor is not listed in the User s Manual or if you are measuring complex VOC mixtures a value of 1 00 gt Vv CALIBRATION Continued Select Low Range or High Range and hit Enter Use Low Range if you are sampling concentrations between 0 5 and 2000 ppm methane equivalents Use High Range if you are sampling concentrations between 10 and 50 000 ppm methane equivalents Connect the supply of zero air If you are using room air press Enter If you are using a gas zero air connect the gas bag adapter to the inlet Open the gas bag and press Enter Zero calibration will take 60 90 seconds MicroFID prompts for the span gas concentration Enter the known span gas concentration and then connect the span gas Press Enter and MicroFID sets its span After 60 90 seconds calibration is complete Press the Alarm key and enter the alarm level for the selected Cal Memory For further information contact your area representative or Photovac et U Photovac Inc 176 Second Avenue Waltham MA 02451 Phone 781 290 0777 Fax 781 290 4884 www photovac com2. TechTlPs The latest from Photovac Volume 3 Number ot MicroFID Flame Ionization Detector Operational Reference Guide INTRODUCTION This TechTIP is a reference guide for day to day operation of the MicroFID Flame Ionization Detector For more detailed information please refer to the MicroFID User s Manual The MicroFID measures the concentration of airborne Volatile Organic Compounds VOCs displays and then records these concentrations It does not distinguish between individual compounds The reading represents the total concentration of all VOCs present in the sample MicroFID will display concentration in PPM TUTOR KEY To assist you in learning the key functions MicroFID has a built in tutorial session that displays a two line description of the function of each key gt Press the TUTOR key to begin a tutorial session gt Press the EXIT key after any other key to end the session Note While in the tutorial session key presses have no effect on the MicroFID s operation CALIBRATION Note The hydrogen cylinder must be filled prior to operation Before beginning calibration ensure you have a reliable source of zero air and calibration gas gt Select the CAL key gt Select the desired Cal Memory The MicroFID has 10 Cal Memories and can be calibrated with 10 different span gases or response factors if desired Only one Cal Memory can be used at a time Each Cal Memory stores a different Response Factor
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