Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Datasheet
Oxygen Measurement Down to Parts Per Trillion
Features
Measuring trace O2 in ultra-pure Ar, H2, He and N2
LDL to less than 100 ppt
Low cost of ownership
User friendly and easy to operate and maintain
Fast recovery from process upsets
Integrated bypass sample system as standard
Optional auto calibration system with true zero feature via O2 scrubber
Based on the stable and long-life Pico-Ion oxygen sensors, the PI2 range of trace oxygen analyzers provides accurate and stable measurements of oxygen down to low parts per trillion. Low cost of ownership through minimal maintenance of this high-performance oxygen analyzer make measurement of oxygen down to ppt level easy and affordable for customers with limited budgets.
Specifications
| PI2-MS 1000 | PI2-MS 500 | PI2-UHP 100 | PI2-UHP 50 | |
| Measurement range | 0-1, 0-10, 0-100, 0-1000 ppm | 0-0.5, 0-1, 0-10, 0-100, 0-1000 ppm | 0-100 ppb, 0-1, 0-10, 0-100 ppm | 0-50, 0-100 ppb, 0-1, 0-10 ppm |
| Accuracy at constant conditions | < 3% of reading or ±5 ppb (whichever is greater) | ±3% of reading or ±0.5 ppb (whichever is greater) | ||
| Response time | T90 <15 seconds | |||
| Sensitivity (LDL) | < 5 ppb | < 2.5 ppb | < 250 ppt | < 100 ppt |
| Linearity | < 1% of scale | |||
| Sensor | GPR-12-2000 MS-2 | GPR-12-2000 MS-2E | GPR-13-2000 UHP-2 | GPR-13-2000 UHP-2E |
| Sensor life at 25oC (77°F) and 1 atm |
12 months (Up to 24 months for the MS versions) |
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| Calibration interval | 30 days | |||
| Inlet pressure | 1.4-3.4 barg (20-50 psig) with atmospheric vent, max 10.3 barg (150 psig) | |||
| Flow rate | 0.5 - 1.0 l/m (1-2 SCFH) | |||
| Gas connections |
1/4" compression tube fittings Option: 1/8" or NPT fittings |
Inlets: 1/4" face seal fittings; Vent and pneumatic valves: 1/4" compression tube fittings |
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| Wetted parts | Stainless Steel | |||
| Display | Graphical LCD 12 x 7cm (5 x 2.75”); resolution 0.1 | |||
| Enclosure | Bench top, painted sheet metal (35 x 25 x 34cm (13.9” x 9.9” x 13.4”)) | |||
| Options: panel or 19” rack mount, wall mount (30.5 x 30.5 x 20.3cm (12” x 12” x 8”)) | Bench top Options: panel or 19” rack mounting | |||
| Compensation | Barometric pressure and temperature; heated sample system and sensor housing | |||
| Signal output | 4-20 mA isolated, 0-1V and 0-5V | |||
| Range ID | 1-5V DC or 4-20mA, optional relay contacts | |||
| Communications | Choice of USB, RS232 | |||
| Alarms | 2-off user-adjustable alarms form C relay contacts non-latching | |||
| Operating temperature | 0° to 45°C (32°F to 113°F) | |||
| Power | 100-240 V AC | |||
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