Portable Constant Oxygen Analyzer GPR-2000

Application Fields: Food, steel, petrochemical, power, electronics, and scientific research institutions, etc.

Principle: Electrochemical sensor.

Range: 0~1/5/10/25% O₂, automatic/manual range switching.

Resolution: 0.01%

Accuracy: 1% of the range (at normal temperature and pressure)

Linearity: R-squared value >0.995.

Response Time: 10 seconds to reach 90%.

Sensor Expected Lifespan: 36 months (universal sensor),

24 months (acidic sensor).

Physical Characteristics

Enclosure: Aluminum oxide material, NEMA 4X enclosure.

Dimensions: 4" x 9" x 3".

Weight: 7 lbs (approximately 3 kg).

Electrical Characteristics

Certification: ISO9001, CE quality certification.

Display: Large LCD screen, real-time temperature display.

Output: 0~1V analog output.

Alarms: Low battery alarm, over-range alarm, charging indicator.

Operating Conditions

Measurement Media: H₂, He, hydrocarbons, inert gases, mixed gases, acidic gases (specify when ordering).

Flow Rate: 0.5~5 SCFH, recommended: 2 SCFH (approximately 1 liter per minute).

Calibration: Recommended to use 80% FS standard gas.

Pressure: 5~30 Psig (vacuum pump optional for negative pressure).

Temperature: 5~+45°C, with built-in temperature compensation.

Gas Connection: 1/8" ferrule fitting, vented outlet.

Standard Accessories

— Dedicated instrument case. — Charger and rechargeable battery.

— 2-meter connecting tubing. — Chinese and English manual.

Options

— Flow control valve and flow meter;

— Built-in vacuum pump. 

— Special configuration for food packaging.

— Intrinsically safe explosion-proof design, rating: Class 1, Division 1,&;Groups A,&;B,&C,&;D.

— Acidic sensor for measuring acidic gases containing CO₂ or sulfides.