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INTRODUCTION TO LFG INSTRUMENTS

INTRODUCTION TO LFG INSTRUMENTS. SENSORY THEORY. CATALYTIC - PPM AND 0 TO 10% GAS (O 2 DEPENDENT TO 2%) THERMAL - 10% TO 100% GAS BY VOLUME (NON O 2 DEPENDENT) CHEMICAL - O 2 , H 2 S, CO. GMI INSIDE CASE. GMI AND SAMPLING COMPONENTS. GMI BODY AND BATTERY. PROBE AND COMPONENTS.

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INTRODUCTION TO LFG INSTRUMENTS

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  1. INTRODUCTION TO LFG INSTRUMENTS

  2. SENSORY THEORY • CATALYTIC - PPM AND 0 TO 10% GAS (O2 DEPENDENT TO 2%) • THERMAL - 10% TO 100% GAS BY VOLUME (NON O2 DEPENDENT) • CHEMICAL - O2, H2S, CO

  3. GMI INSIDE CASE

  4. GMI AND SAMPLING COMPONENTS

  5. GMI BODY AND BATTERY

  6. PROBE AND COMPONENTS

  7. GMI IN COMBUSTIBLE GAS INDICATOR MODE USES AND FEATURES • COMBUSTIBLE PPM RANGE • NO AUDIBLE OR VISUAL ALARMS • MANUAL DATA LOGGING ONLY • MANUAL RANGE VIEWING WITHOUT AUTOMATIC HAZARD OVERRIDE

  8. GMI IN COMBUSTIBLE GAS INDICATOR MODE USES AND FEATURES CONT. • MEASURES CO AND H2S, PPM RANGES • HEALTH& SAFETY AND REGULATORY SCREENING TOOL • NOT TO BE USED IN LIEU OF LAB ANALYSIS

  9. USING THE GMI IN COMBUSTIBLE GAS INDICATOR MODE (CGIM) • Press SECOND button ONCE* to turn on • Press second button ONCE to change range • Press second button TWICE to re-zero ppm range • Press third button to take samples • Press top/first button twice to turn off * ONE SECOND OR MORE

  10. CGI Mode-Ranges • % GAS BY VOLUME • TOTAL COMBUSTIBLE GAS IN PPM • % OXYGEN BY VOLUME • PPM CARBON MONOXIDE (CO) • PPM HYDROGEN SULFIDE (H2S) THEN BACK TO • % GAS BY VOLUME

  11. GAS SAMPLING EQUIPMENT • MAGNAHELICS • EVAC/TRANSFER PUMP • TEDLAR BAGS • TUBING AND CONNECTORS

  12. MAGNEHELIC

  13. EVAC/TRANSFER PUMP

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