The Analytical Industries' Portable Oxygen Analyzers is suitable for trace oxygen measurements from 0.1 ppm through to purity applications at 100% oxygen. These rugged portable instruments share the same advanced sensor technology as the online process oxygen analyzers ensuring confidence in their reliability and accuracy.
The Analytical Instruments concept of using the same HMI and menu structures for portable and online analyzers makes it extremely easy for operators to use both types of instruments on their site without need for extra training.
GPR-1100 (ATEX)
The GPR-1100 model is an industry standard portable analyzer for trace oxygen measurements down to 0.1 ppm. Supplied with stainless steel wetted materials, the instrument is also equipped with quick connect fittings to trap the sample in the analyzer and extend the oxygen sensor service life by avoiding air diffusing into the sensor.
Options: XLT sensor for CO2 backgrounds
Ranges Available: 0-10, 0-100, 0-1,000ppm & 0-1% (0- 25% for calibration only)
GPR-1000 (ATEX)
Optimised for measuring oxygen below 1,000ppm with an LDL of 5ppm and is temperature compensated. The GPR-1000 oxygen meter can also be operated up to 1% range. It is supplied with brass fittings.
Options: XLT sensor for CO2 backgrounds, stainless steel fittings, weld purge kit.
Ranges Available: 0-1,000ppm & 0-1% (0-25% for calibration only)
GPR-2000 (ATEX)
The GPR-2000 portable instrument is designed for percentage level oxygen measurements with an LDL of 0.005% (50ppm) O2. This versatile oxygen analyzer will be suitable for many applications. It is supplied with barometric pressure and temperature compensation as well as stainless steel fittings and internal pipework.
Options: XLT sensor for CO2 backgrounds
Ranges Available: 0-1%, 0-5%, 0-10% & 0-25%
GPR-3500 MO
The GPR-3500 instrument has been developed for measuring 0-100% oxygen in general purpose areas.
This portable oxygen analyzer features barometric pressure and temperature compensation and is supplied with stainless steel wetted parts, a flowmeter and needle valve. The LDL is 0.5% O2 (the LDL can be further enhanced with a zero calibration). This unit also displays the ambient temperature and pressure. For oxygen purity measurements a span gas with the desired target concentration should be used.
Range Available: 0-100% O2
Features
Features
- Rugged- made to last in field operation
- Easy to use
- Up to 30 days battery life (40 hours with pump)
- Measurement ranges from 0-10 ppm up to 0-100% O2
- 24 to 32 months sensor life span (in normal use)
- Lightweight – 2.5Kgs
- Internal pump option
- 0-1V output
- XLT sensor options for CO2 backgrounds
Applications
Spot checking for :
- Oxygen and nitrogen generators
- Storage holds on marine vessels post maintenance
- Oxygen in tankers during delivery
- Metal treatment processes
- Leak checking processes
- Double glazing manufacture
- Welding (under N2 or Ar purge)
Specifications
| GPR-1100 | GPR-1000 | GPR-2000 | GPR-3500 MO | |
|---|---|---|---|---|
| Measurement range | 0-10, 0-100, 0-1000 ppm, 0-1%, 0-25% | 0-1000 ppm, 0-1%, 0-25% | 0-1%, 0-5%, 0-10%, 0-25% | 0-100% |
| Accuracy | < 2% of selected range at constant conditions | |||
| Response time | T90 < 10 seconds | T90 < 13 seconds | ||
| Recovery time | 60 sec in air to < 10 ppm in < 1 hour on N2 purge | 60 sec in air to < 100 ppm in < 15 min on N2 purge | NA | |
| Sensitivity (LDL) | 0.05 ppm | 5 ppm | 0.005% | 0.1% |
| Linearity | < 1% of scale | |||
| Sensor model | GPR-12-333 XLT-12-333 for gas mixture with > 0.5% CO2 | GPR-12-100-M XLT-12-100-M for gas mixture with > 0.5% CO2 | GPR-11-32-RTS XLT-11-24-RTS for gas mixture with > 0.5% CO2 | GPR-11-120-RTS |
| Sensor life at 25ºC (77°F) and 1 atm | 24 months in < 1000 ppm O2 | GPR-11-32-RTS 32 months in air XLT-11-24-RTS 24 months in air | 24 months in 100% O2 | |
| Calibration interval | 30 days | |||
| Inlet pressure | 0.34 - 2 barg (5-30 psig) with atmospheric vent | |||
| Flow rate | 0.5-1.0 l/m (1-2 SCFH) | |||
| Gas connections | 1/8" NPT male quick connect | 1/8" NPT quick connect | 1/8" compression tube fittings | 1/4" compression tube fittings |
| Wetted parts | Stainless steel | Brass connections; stainless steel optional | GP version: Brass, plastic ATEX version: Stainless steel flow housing, tubing and fittings | Stainless steel |
| Display | Graphical LCD 7 x 3.5cm (2.75 x 1.375") | |||
| Resolution | 0.01ppm | 1ppm | 0.001% | 0.1% |
| Enclosure | Painted aluminum NEMA 4X, 10.1 x 22.9 x 7.6cm (4 x 9 x 3") 3.64kg (8lbs) | |||
| Compensation | Barometric pressure and temperature | |||
| Signal output | 0-1V | |||
| LED indicators | LOW BATT (72 hr. warning); CHARGE mode | |||
| Operating temperature | 5°C to 45°C (41°F to 113°F) (GPR sensor), -10° to 45°C (14°F to 113°F) (XLT sensor) | 5°C to 45°C (41°F to 113°F) | ||
| Power | Rechargeable battery (lead acid) | |||
| Battery life | Up to 30 days on a single charge (40 hours with pump running) | Up to 30 days on a single charge | ||
| Area classification | ATEX: Ex II 2 G Ex ib IIC T4 Gb Tamb: 5°C to +45°C | General purpose only | ||
Download Datasheet : Analytical Industries Portable Oxygen Analyzers
Reference : aii1.com
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