GPR-1500 AIS ppm Oxygen Transmitter
Operates on 9-28VDC with 4-20mA signal output, two (2) field configurable alarms with programmable time delay and relay contacts. Meets recognized intrinsic safety (approval pending) standards for use in Class 1, Division 1, Groups B, C, D hazardous areas. Proprietary advanced galvanic sensor capable of oxygen analysis under 100 ppb. Automated range, zero, calibration, system diagnostic functions. Wall, panel or pole mount NEMA 4 configuration. Shown with optional H2S Sample System (P/N A-3237).
Ranges - Standard:  0-10 ppm, 0-100 ppm, 0-1000 ppm, 0-1%, 0-25%

GPR-1500 IS ppm Oxygen Transmitter
Configuration and performance equal to above except—operates on two wire 12-28VDC loop power without alarm contacts.

GPR-1500 ppm Oxygen Transmitter
Two wire loop powered 4-20mA signal output operates on 12-28VDC. Suitable for use in Class 1, Division 1, Groups A-D hazardous areas with optional factory specified intrinsic safety barriers. Proprietary advanced galvanic sensor capable of oxygen analysis under 100 ppb. Automated range, zero, calibration, system diagnostic functions. Wall mount NEMA 4 configuration. Available with optional H2S Sample System (P/N A-3237)
Ranges - Standard:  0-10 ppm, 0-100 ppm, 0-1000 ppm, 0-1%, 0-25%

GPR-1500 D ppm Oxygen Transmitter
Two wire loop powered 4-20mA signal output operates on 12-28VDC. Suitable for use in Class 1, Division 1, Groups A-D hazardous areas with optional factory specified intrinsic safety barriers. Proprietary advanced galvanic sensor designed for ppm oxygen analysis above 2 ppm. Automated range, zero, calibration, system diagnostic functions. Wall mount NEMA 4 configuration.
Ranges - Standard:  0-100 ppm, 0-1000 ppm, 0-1%, 0-25%

GPR-15 XP ppm Oxygen Transmitter
Two wire loop powered 4-20mA signal output operates on 12-28VDC. Enclosure and flame arrestors certified for use in Class 1, Division 1, Groups C, D. Proprietary advanced galvanic sensor designed for ppm oxygen analysis above 2 ppm. Manual range and calibration functions. Wall mount NEMA 4 configuration.
Ranges - Standard:  0-100 ppm, 0-25%

GPR-15 AXP ppm Oxygen Transmitter
Operates on 9-28VDC with 4-20mA signal output and two (2) field configurable alarms with relay contacts. Enclosure and flame arrestors certified for use in Class 1, Division 1, Groups C, D. Proprietary advanced galvanic sensor designed for ppm oxygen analysis above 2 ppm. Manual range and calibration functions. Wall mount NEMA 4 configuration.

GPR-2500 AIS Oxygen Transmitter
Operates on 9-28VDC with 4-20mA signal output, two (2) field configurable alarms with programmable time delay and relay contacts. Meets recognized intrinsic safety (approval pending) standards for use in Class 1, Division 1, Groups B, C, D hazardous areas. Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. Automated range, zero, calibration, system diagnostic functions. Wall, panel or pole mount NEMA 4 configuration. Shown with optional H2S Sample System (P/N A-3237).
Ranges - Standard:  0-1%, 0-5%, 0-10%, 0-25%

GPR-2500 IS ppm Oxygen Transmitter
Configuration and performance equal to above except—operates on two wire 12-28VDC loop power without alarm contacts.

GPR-2500 Oxygen Transmitter
Two wire loop powered 4-20mA signal output operates on 12-28VDC. Suitable for use in Class 1, Division 1, Groups A-D hazardous areas with optional factory specified intrinsic safety barriers. Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. Automated range, zero, calibration, system diagnostic functions. Wall mount NEMA 4 configuration. Available with optional H2S Sample System (P/N A-3237)
Ranges - Standard:  0-1%, 0-5%, 0-10%, 0-25%

GPR-25 XP ppm Oxygen Transmitter
Two wire loop powered 4-20mA signal output operates on 12-28VDC. Enclosure and flame arrestors certified for use in Class 1, Division 1, Groups C, D. Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. Manual range and calibration functions. Wall mount NEMA 4 configuration. Available with optional H2S Sample System (P/N A-3237)
Ranges - Standard:  0-5%, 0-25%

GPR-25 AXP ppm Oxygen Transmitter
Operates on 9-28VDC with 4-20mA signal output and two (2) field configurable alarms with relay contacts. Enclosure certified for use in Class 1, Division 1, Groups C, D. Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. Manual range and calibration functions. Wall mount NEMA 4 configuration. Available with optional H2S Sample System (P/N A-3237)
Ranges - Standard:  0-5%, 0-25%

GPR-1200 ppm Oxygen Analyzer
Proprietary advanced galvanic sensor capable of oxygen analysis under 100 ppb. Meets recognized intrinsic safety (approval pending) standards for use in Class 1, Division 1, Groups A-D hazardous areas. Integral stainless steel bypass sample system. Automated range, zero, calibration, system diagnostic functions. Operates on rechargeable battery for 60 days after an overnight charge. Optional integral sampling pump in general purpose and intrinsically safe designs, coalescing filter, H2S scrubber and carrying case.  
Ranges - Standard:  0-10 ppm, 0-100 ppm, 0-1000 ppm, 0-1%, 0-25%

GPR-1100 ppm Oxygen Analyzer
Proprietary advanced galvanic sensor capable of oxygen analysis under 100 ppb. Meets recognized intrinsic safety (approval pending) standards for use in Class 1, Division 1, Groups A-D hazardous areas. Stainless steel sensor housing and quick release connections. Automated range, zero, calibration, system diagnostic functions. Operates on rechargeable battery for 60 days after an overnight charge. Optional carrying case.   
Ranges - Standard:  0-10 ppm, 0-100 ppm, 0-1000 ppm, 0-1%, 0-25%

GPR-2000 Oxygen Analyzer
Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. Meets recognized intrinsic safety (approval pending) standards for use in Class 1, Division 1, Groups A-D hazardous areas. Automated range, zero, calibration and system diagnostic functions. Operates on rechargeable battery for 60 days after an overnight charge. Optional panel mounted flow meter (M suffix), coalescing filter (C suffix) and carrying case.
Ranges - Standard:  0-1%, 0-5%, 0-10%, 0-25%

GPR-2000 P Oxygen Analyzer
Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. Integral general purpose sampling pump. Automated range, zero, calibration and system diagnostic functions. Operates on rechargeable battery for 8-12 hours of continuous pump use after an overnight charge. General purpose without optional integral sampling pump (I suffix) in intrinsically safe design. Optional panel mounted flow meter (M suffix), coalescing filter (C suffix) and carrying case.
Ranges - Standard:  0-1%, 0-5%, 0-10%, 0-25%

GPR-1100 ppm Oxygen Analyzer
Proprietary advanced galvanic sensor capable of oxygen analysis under 100 ppb. Meets recognized intrinsic safety (approval pending) standards for use in Class 1, Division 1, Groups A-D hazardous areas. Stainless steel sensor housing and quick release connections. Automated range, zero, calibration, system diagnostic functions. Operates on rechargeable battery for 60 days after an overnight charge. Optional carrying case.  
Ranges - Standard:  0-10 ppm, 0-100 ppm, 0-1000 ppm, 0-1%, 0-25%

GPR-1000 ppm Oxygen Analyzer
Proprietary advanced galvanic sensor capable of oxygen analysis under 100 ppm. General purpose design that operates on rechargeable battery for 60 days after an overnight charge. Automated range, zero, calibration, system diagnostic functions.  Stainless steel sensor housing and brass quick release connections. Optional integral sampling pump and carrying case.  
Ranges - Standard:  0-1000 ppm, 0-1%, 0-25%

AII-3000 A Oxygen Analyzer
Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. General purpose. Automated range, calibration and system diagnostic functions. Operates 1,200 hours on 2 AA Alkaline batteries. Optional carrying case.
Ranges - Standard:  0-100%

AII-3000 AHC Oxygen Analyzer
Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. General purpose. Automated range, calibration and system diagnostic functions. Operates 1,200 hours on 2 AA Alkaline batteries. Optional carrying case.
Ranges - Standard:  0-100%

AII-3000 M Oxygen Monitor
Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. General purpose with two user adjustable alarms ranging from 15-100%. Automated range, calibration and system diagnostic functions. Operates 1,200 hours on 2 AA Alkaline batteries. Optional carrying case.
Ranges - Standard:  0-100%

AII-3000 MHC Oxygen Monitor
Proprietary advanced galvanic sensor capable of oxygen analysis from 0.05% to 100% and 36 months expected life. General purpose with two user adjustable alarms ranging from 15-100%. Automated range, calibration and system diagnostic functions. Operates 1,200 hours on 2 AA Alkaline batteries. Optional carrying case.
Ranges - Standard:  0-100%