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Percent Oxygen Analyzer in NEMA Enclosure - AII GPR-2500

Updated:2025-03-13

Brand: PST/AII
Model: GPR-2500
Description: The GPR-2500 is an industrial oxygen analyzer for percentage oxygen measurements in both general purpose or hazardous areas. Available in several variants, all of which are supplied in a lightweight N
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Product Details

Percent Oxygen Analyzer in NEMA Enclosure - AII GPR-2500 Description：

GPR-2500 Series GPR-2500 N User's Manual GPR-2500 A User's Manual GPR-2500 AIS-LD User's Manual GPR-2500 S User's Manual Datasheet

Monitors Oxygen in General Purpose and Hazardous Areas

Features

Advanced galvanic electrochemical sensors

Measuring oxygen in ranges: 0-1% up to 0-100% (model dependant)

Accuracy of better than 2% of selected range

Auto-ranging or fixed range (user selectable)

Long lifespan of the GPR sensor of 32 months and more

Simple to use HMI

The GPR-2500 is an industrial oxygen analyzer for percentage oxygen measurements in both general purpose or hazardous areas. Available in several variants, all of which are supplied in a lightweight NEMA enclosure with stainless steel wetted parts and easy to access electrochemical oxygen sensors for user-friendly maintenance.

Specifications

	GPR-2500 N (ATEX)	GPR-2500 A	GPR-2500 MON	GPR-2500 AMO
Measurement range	0-1%, 0-5%, 0-10%, 0-25%	0-1%, 0-5%, 0-10%, 0-25%	0-100%	0-100%
Accuracy	< 2% of range at constant conditions	< 2% of range at constant conditions	< 2% of range at constant conditions	< 2% of range at constant conditions
Response time	T90 < 10 seconds	T90 < 10 seconds	T90 < 13 seconds	T90 < 13 seconds
Sensitivity (LDL)	< 0.5% of scale	< 0.5% of scale	< 0.5% of scale	< 0.5% of scale
Linearity	<1% of scale	<1% of scale	<1% of scale	<1% of scale
Sensor model	GPR-11-32-4 XLT-11-24-4 for gases containing > 0.5% CO2	GPR-11-32-4 XLT-11-24-4 for gases containing > 0.5% CO2	GPR-11-120-4	GPR-11-120-4
Sensor life in air at 25°C (77°F) and 1 atm	GPR-11-32-4: 32 months XLT-11-24-4: 24 months	GPR-11-32-4: 32 months XLT-11-24-4: 24 months	GPR-11-120-4: 24 months in 100% O2
Calibration interval	30 days	30 days	30 days	30 days
Inlet pressure	0.34-2 barg (5-30 psig) with atmospheric vent	0.34-2 barg (5-30 psig) with atmospheric vent	0.34-2 barg (5-30 psig) with atmospheric vent	0.34-2 barg (5-30 psig) with atmospheric vent
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)	0.5-1.0 l/m (1-2 SCFH)
Gas connections	1/8" compression tube fittings	1/8" compression tube fittings	1/8" compression tube fittings	1/8" compression tube fittings
Wetted parts	Stainless steel	Stainless steel	Stainless steel	Stainless steel
Display	Graphical LCD 7 x 3.5cm (2.75 x 1.375”); resolution 0.001%	Graphical LCD 7 x 3.5cm (2.75 x 1.375”); resolution 0.001%	Graphical LCD 7 x 3.5cm (2.75 x 1.375”); resolution 0.1%	Graphical LCD 7 x 3.5cm (2.75 x 1.375”); resolution 0.1%
Enclosure	Fiberglass NEMA 4X, 10.1 x 22.9 x 7.6cm (4 x 9 x 3")	Fiberglass NEMA 4X, 10.1 x 22.9 x 7.6cm (4 x 9 x 3")	Fiberglass NEMA 4X, 10.1 x 22.9 x 7.6cm (4 x 9 x 3")	Fiberglass NEMA 4X, 10.1 x 22.9 x 7.6cm (4 x 9 x 3")
Weight	3.6kg (8lbs)	3.6kg (8lbs)	3.6kg (8lbs)	3.6kg (8lbs)
Compensation	Temperature	Barometric pressure and temperature	Temperature	Barometric pressure and temperature
Signal output	4-20 mA	4-20 mA	4-20 mA	4-20 mA
Alarms	N/A	Two user configurable alarms: magnetic coil relays rated 3A at 100 V AC	N/A	Two user configurable alarms: magnetic coil relays rated 3A at 100 V AC
Operating temperature	GPR sensor: 5°C to 45°C (41°F to 113°F) XLT sensor: -10° to 45°C (14°F to 113°F)	GPR sensor: 5°C to 45°C (41°F to 113°F) XLT sensor: -10° to 45°C (14°F to 113°F)	GPR sensor: 5°C to 45°C (41°F to 113°F) XLT sensor: -10° to 45°C (14°F to 113°F)	GPR sensor: 5°C to 45°C (41°F to 113°F) XLT sensor: -10° to 45°C (14°F to 113°F)
Power	18-24 V DC	12-28V DC non-loop or 110-220 V AC	18-24 V DC	12-28 V DC non-loop or 110-220 V AC
Area Classification	II 2 G Ex ia IIB T4 Gb T_amb -20°C to +50°C