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U4 <br /> (;ROU DWXTER TECIM )7A)r-Y <br /> STAXDARO GpERATING PROCEDURE <br /> CALIgRATIOH OF <br /> 4'ONCE ,NINr OPERATION/ <br /> PHOTO-IONIZATION ANALYZER <br /> SOP 19 r�hall be used to <br /> The Model 101 Photo-ionization Analyzer <br /> a range of - <br /> measure the certep�ramillion (PPM) to 2.000 ppm by <br /> less than 1 p of phot°-ionization for detection. <br /> employing the principle <br /> ed f or <br /> '}he specific: ated to <br /> instrumetionsshould be calibrated sfor ldirect <br /> volume of benzene. This portable <br /> hydrocarban cotii;�amina robe which <br /> readings in ppm volume/ components, 1) p <br /> consists of two P an ultra- <br /> field analyzer air into the sensen' ionization <br /> contains a fan for moving which <br /> violet light (provides inner; 2)n readout) assembly <br /> chamber and signal amnlifia ;er bias, meter-readout and <br /> contains a batted', <br /> ii,n champ principle/theory <br /> control panel. Specifics of Cnentstcan sbe found in the <br /> and functions of various comp <br /> g items, Inc.) • <br /> manufacture's instruction manual (N tn-ionization analyzer <br /> To assure optimum performance, the pho <br /> standard gas mix'c,.zre of known <br /> pressurized container. A daily <br /> - should be calibratzd with a the p,-obe and <br /> aticoncentration from a p cracking <br /> procedure for caliboximity�toothescalibration gas► <br /> "aadout in close p the in <br /> reading, <br /> �. <br /> valve.Qn the tank andcheckforthe instrument. <br /> This provdes a useful spot <br /> for more accurate calibration connect <br /> - A procedure conducted <br /> weekly pressurized container is <br /> o.f the inst�'1-ment to°the pressurized+� ed a rotameter and the <br /> .. <br /> one side of a "'T" ressurized container of cali.bra- <br /> �- tion gas, <br /> another side of the T <br /> +.id directly to the 8-inch extension to <br /> third side of the Crack the valve of the <br /> indicated on <br /> the photo-ionization probe.; a slight flow <br /> The instrument draws <br /> in the volume of sample <br /> pressurized container 'until <br /> the rotameter. the flow in the rotameter <br /> so <br /> required for detection. andle. ,Now adjust the span <br /> indicates an excess °s reasamding the exact value of the <br /> that the in5trum If the in:,trument span setting is <br /> rumens should be turned back to the standby <br /> calibration gas. ( usted, <br /> changed the Inst <br /> position and the electronic zero should be read] <br /> posy <br /> necessary) • <br /> I <br /> +. TECHNOIAGY.INC. <br /> 1 <br /> I <br />