CH4 (IRF4341)RikenKeiki GX-9000 

 GPR-12-100-4-GENERON AI TRACE SENSOR ADVANCED INSTRUMENTS 
 GPR-12-100-M PPM OXYGEN SENSOR ADVANCED INSTRUMENTS 
 GPR-12-2000 M ADVANCED INSTRUMENTS PPB OXYGEN SENSOR ADVANCED INSTRUMENTS 
 GPR-12-2000 MS AI PPM OXYGEN SENSOR ADVANCED INSTRUMENTS 
 GPR-12-2000 MSH AI PPM OXYGEN SENSOR ADVANCED INSTRUMENTS 
 GPR-12-2000MS-H AI OXYGEN SENSOR ADVANCED INSTRUMENTS 
 GPR-12-333 AI PPM OXYGEN SENSOR ADVANCED INSTRUMENTS 
 GPR-15 XP AI XP ppm Oxygen Transmitter, Explosion ADVANCED INSTRUMENTS 
 GPR-1500 A AII PPM Oxygen Analyzer PPM/% ADVANCED INSTRUMENTS 
 GPR-1500 AIS AI AIS ppm Oxygen Analyzer, Intrinsicall ADVANCED INSTRUMENTS 
 GPR-1500 AIS ATEX AI AIS ATEX ppm Oxygen Analyzer, Intrins ADVANCED INSTRUMENTS 
 GPR-1500 AIS UL AI PPM O2 ANALYZER, UL CLASS I, DIV 1, G ADVANCED INSTRUMENTS 
 GPR-1500 AIS-LD AI O2 ANALYZER, IS, LIQUID DRAIN ADVANCED INSTRUMENTS 
 GPR-1500 DK AI DK ppm Oxygen Transmitter, Class 1 Di ADVANCED INSTRUMENTS 
 GPR-1500 IS PPM O2 TRANSMITTER-ATEX ADVANCED PPM O2 TRANSMITTER IN ENCLOSURE ADVANCED INSTRUMENTS 
 GPR-16 MS AI MS ppm Oxygen Analyzer ADVANCED INSTRUMENTS 
 GPR-16 MS MODULE GPR-16MS MODULE (3 PCB'S AND DISPLAY) ADVANCED INSTRUMENTS 
 GPR-1600 AI ppm Oxygen Analyzer ADVANCED INSTRUMENTS 
 GPR-1600 MS AI PPB OXYGEN ANALYZER ADVANCED INSTRUMENTS 
 GPR-16-MS-DRY CONTACTS AI MODULE FOR 19" ADVANCED INSTRUMENTS 
 GPR-18 AI ppm Oxygen Analyzer, Explosion Proof ADVANCED INSTRUMENTS 
 GPR-18 UL AI UL PPM OXYGEN ANALYZER, XP ADVANCED INSTRUMENTS 
 GPR-1800-AIS-ATEX-MODBUSAI AIS ATEX ppm Oxygen Analyzer, Intrins ADVANCED INSTRUMENTS 
 GPR-1900 D AI D ppm Oxygen Analyzer ADVANCED INSTRUMENTS 
 GPR-1900-D-GENERON AI TRACE O2 ANALYZER ADVANCED INSTRUMENTS 
 GPR-2000 AI Portable Oxygen Analyzer ADVANCED INSTRUMENTS 
 GPR-2000 P AI P Portable Oxygen Analyzer, Integral ADVANCED INSTRUMENTS 
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Items Sold Previously 281-484-4830

 GPR-2000+B2+C2+D2+E3+X4PORTABLE OXYGEN ANALYZER ADVANCED INSTRUMENTS 
 GPR-2500 A AII GP OXYGEN TRANSMITTER W/ ALARMS ADVANCED INSTRUMENTS 
 GPR-2500 ATEX AI ATEX Oxygen Transmitter, External Bar ADVANCED INSTRUMENTS 
 GPR-2500 GP AI GP Oxygen Transmitter ADVANCED INSTRUMENTS 
 GPR-2500 IS UL+A-3393-7 AI OXYGEN ANALYZER ADVANCED INSTRUMENTS 
 GPR-26 AI Oxygen Analyzer ADVANCED INSTRUMENTS 
 GPR-2600-SPECIAL (4.5" X 10.8" X 5.5" ENCLOSURE) AI GPR-2600 PROCESS OXYGEN ANALYZER ADVANCED INSTRUMENTS 
 GPR-28 AI Oxygen Analyzer, Explosion Proof Clas ADVANCED INSTRUMENTS 
 GPR-28 ATEX AI ATEX Oxygen Analyzer, Explosion Proof ADVANCED INSTRUMENTS 
 GPR-2800 AIS ATEX AI AIS ATEX Oxygen Analyzer, Intrinsical ADVANCED INSTRUMENTS 
 GPR-2800 AIS S ATEX ADVANCED AMBIENT O2 ANALYZER ADVANCED INSTRUMENTS 
 GPR-2800 IS-LD ATEX-PERCENT O2 TRANSMITTER ADVANCED INSTRUMENTS GPR 2800 PERCENT O2 ADVANCED INSTRUMENTS 
 GPR28ATEX/GPR1132H/ENCLOSURE AI O2 SYSTEM ADVANCED INSTRUMENTS 
 GPR-2900 AI Oxygen Analyzer ADVANCED INSTRUMENTS 
 GPR-2900-GENERON AI PERCENT O2 ANALYZER ADVANCED INSTRUMENTS 
 GPR-35 AI AMBIENT OXYGEN MONITOR ADVANCED INSTRUMENTS 
 GPR-7100 A.I. H2S ANALYZER ADVANCED INSTRUMENTS 
 GPR-7500 AIS ATEX AI H2S ANALYZER-ATEX ADVANCED INSTRUMENTS 
 GPR-7500 AIS UL W/W1079 AI PPM H2S ANALYZER IN HOFFMAN BOX ADVANCED INSTRUMENTS 
 GPR-7500 AIS-LD UL ADVANCED INSTRUMENTS PPM H2S ANALYZER ADVANCED INSTRUMENTS 
 GPR-7500-AIS-UL AI H2S ANALYZER ADVANCED INSTRUMENTS 
 IC-1007 ADVANCED INSTRUMENTS IC CHIP ADVANCED INSTRUMENTS 
 IC-1037 ADVANCED INSTRUMENTS AMPLIFIER CHOPPER ADVANCED INSTRUMENTS 
 KNOB-1001 AI KNOB SPAN BLACK MATTE .75 DIA. ADVANCED INSTRUMENTS 
 KNOB-1003 ADVANCED INSTRUMENTS KNOB LOCK BLK MATTE ADVANCED INSTRUMENTS 
 KOB-1001 AI KNOB SPAN BLACK, MATTE .75 DIA. .25 SHAF ADVANCED INSTRUMENTS 
 M4-2829 AI MOUNTING BEZEL, 19" RACK (16000UHP) ADVANCED INSTRUMENTS 
 MTR-1001 AI METER DIGITAL PANEL LCD 3.5 ADVANCED INSTRUMENTS 
 ORNG-1007 AI VITON O-RING 3/32 x 1-3/8 x 1-9/16 ADVANCED INSTRUMENTS 
 OSV-72-7HH AI H2S PPM SENSOR FOR GPR-7500 ADVANCED INSTRUMENTS 
 PCBA-1107-F AI PCB for GPR-28C ADVANCED INSTRUMENTS 
 POT-1002 AI POTENTIOMETER 10K(11,18,20) ADVANCED INSTRUMENTS 
 PSR-11-21 AI Oxygen Sensor ADVANCED INSTRUMENTS 
 PSR-11-213 AI Oxygen Sensor ADVANCED INSTRUMENTS 
 PSR-11-23 AI Oxygen Sensor ADVANCED INSTRUMENTS 
 PSR-11-39 AI Oxygen Sensor ADVANCED INSTRUMENTS 
 PSR-11-52 AI Oxygen Sensor ADVANCED INSTRUMENTS