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AII GPR 1600/2600/3100 Oxygen Analyzers for Industrial Gas

Updated:2025-03-13

Brand: PST/AII
Model: GPR 1600/2600/3100
Description: Our range of oxygen analyzers are designed to monitor gas produced or used in industrial processes where trace oxygen from low parts per million to pure O2 must be precisely measured. Utilizing AII’s
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Product Details

AII GPR 1600/2600/3100 Oxygen Analyzers for Industrial Gas Description：

OOxyTx 200 Datasheet GPR-1600 User's Manual GPR-2600 User's Manual Datasheet Model Selection Table

Percent and PPM O2 Monitoring in Bulk Gases

Features

High accuracy ( ±0.02 ppm in lowest range)

24 months sensor life with normal usage

Sample in CO2?backgrounds with XLT sensor

Four measurement ranges with manual or auto-ranging

Two Alarms and range indication output

Bench, rack or wall mounting options

Integrated bypass valve (for GPR-1600)

Easy access and sensor replacement

Simple to use HMI

Our range of oxygen analyzers are designed to monitor gas produced or used in industrial processes where trace oxygen from low parts per million to pure O2 must be precisely measured. Utilizing AII’s high performance galvanic oxygen sensors these advanced instruments are simple to use with a common HMI and menu structure across-the-range chassis. Operators only need to learn just one instrument for multiple gas analysis applications at various oxygen levels. Available as bench-, 19" rack-, panel- and wall-mounted for flexible installation.

Specifications

	GPR-1600	GPR-2600	GPR-3100
Measurement range	0-10, 0-100, 0-1000 ppm, 0-1% (0-25% calibration only)	0-1%, 0-5%, 0-10%, 0-25%	0-100%, plus suppressed zero ranges. 50, 80, or 90-100%
Accuracy	< ±2% of range ±0.1% at constant conditions after calibration with 95-100% oxygen (GPR-3100)	< ±2% of range ±0.1% at constant conditions after calibration with 95-100% oxygen (GPR-3100)	< ±2% of range ±0.1% at constant conditions after calibration with 95-100% oxygen (GPR-3100)
Response time	T90 < 10 seconds	T90 < 10 seconds	T90 < 13 seconds
Recovery Time	60 sec in air to < 10 ppm in < 1 hour on N2 purge	N/A	N/A
Sensitivity (LDL)	50 ppb	50 ppm	0.1% oxygen
Linearity	< 0.5% of scale	< 0.5% of scale	< 0.5% of scale
Sensor model	GPR-12-333 XLT-12-333 for gas mixture with > 0.5% CO2	GPR-11-32-4 XLT-11-24-4 for gas mixture with > 0.5% CO2	GPR-11-120-OP
Sensor life at 25°C and 1 atm	24 months in < 1000 ppm O2	GPR-11-32-4 32 months; XLT-11-24-4 24 months	24 months in 100% oxygen
Calibration interval	Typically: 1-3 months	Typically: 1-3 months	Typically: 1-3 months
Inlet pressure	0.34 - 2 barg (5-30 psig) with atmospheric vent	0.34 - 2 barg (5-30 psig) with atmospheric vent	248 bar g (3600psig)
Flow rate	0.5 - 1.0 l/m (1-2 SCFH)	0.5 - 1.0 l/m (1-2 SCFH)	0.5 - 1.0 l/m (1-2 SCFH)
Gas connections	1/4" compression tube fittings	1/4" compression tube fittings	1/4" compression tube fittings
Display	Graphical LCD 12.7 x 7cm (5 x 2.75"); resolution 0.01	Graphical LCD 12.7 x 7cm (5 x 2.75"); resolution 0.01	Graphical LCD 12.7 x 7cm (5 x 2.75"); resolution 0.01
Enclosure	Painted aluminum See individual mounting options for dimensions	Painted aluminum See individual mounting options for dimensions	Painted aluminum See individual mounting options for dimensions
Compensation	Barometric pressure and temperature; Temperature controlled sample system and sensor (GPR-3100 only)	Barometric pressure and temperature; Temperature controlled sample system and sensor (GPR-3100 only)	Barometric pressure and temperature; Temperature controlled sample system and sensor (GPR-3100 only)
Analog output	4-20 mA isolated, 0-1V, and 0-5V	4-20 mA isolated, 0-1V, and 0-5V	4-20 mA isolated, 0-1V, and 0-5V
Range ID	1-5 V or 4-20mA, optional relay contacts	1-5 V or 4-20mA, optional relay contacts	1-5 V or 4-20mA, optional relay contacts
Communications	Choose from RS485, RS232 or USB	Choose from RS485, RS232 or USB	Choose from RS485, RS232 or USB
Alarms	Two user-adjustable alarm relays	Two user-adjustable alarm relays	Two user-adjustable alarm relays
Operating temperature	GPR sensor: 5°C to 45°C (41°F to 113°F) XLT sensor: -10°C to 45°C (14°F to 113°F)	GPR sensor: 5°C to 45°C (41°F to 113°F) XLT sensor: -10°C to 45°C (14°F to 113°F)	GPR sensor: 5°C to 45°C (41°F to 113°F) XLT sensor: -10°C to 45°C (14°F to 113°F)
Power	Universal 100-240 V AC	Universal 100-240 V AC	Universal 100-240 V AC