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| Brand | AII |
|---|---|
| Origin | USA |
| Model | GPR-1200 |
| Measurement Range (Standard) | 0–10 ppm, 0–100 ppm, 0–1,000 ppm, 0–1%, 0–25% |
| Detection Limit | <100 ppb |
| Certifications | Class I, Division 1, Groups A–D (UL/CSA) |
| Housing Material | 316 Stainless Steel |
| Power | Rechargeable Battery (60-day runtime after overnight charge) |
| Optional Accessories | Integrated Sample Pump, Coalescing Filter, H₂S Scrubber, Portable Carrying Case |
| Auto-ranging, Zero Calibration & System Diagnostics | Yes |
| Brand | AII |
|---|---|
| Origin | USA |
| Model | GPR-1100 |
| Sensor Type | Electrochemical (Galvanic) |
| Measurement Principle | Partial Pressure of O₂ via Fuel-Cell-Based Amperometry |
| Accuracy | <1% of Full Scale (FS) |
| Sensitivity | <0.5% FS |
| Response Time (t₉₀) | <10 s (typical, under optimal flow & sampling conditions) |
| Recovery Time to <10 ppm | <60 s |
| Operating Temperature Range | 5–45°C (GPR sensor) |
| Pressure Range | 5–30 psig inlet |
| Flow Rate Recommendation | 2 SCFH (0.5–5 SCFH acceptable) |
| Output Signal | 0–1 V DC analog |
| Enclosure Rating | NEMA 4X / IP66 |
| Intrinsic Safety Certification | UL/CSA Class I, Div 1, Groups A, B, C, D |
| Compliance | CE Marked, ISO 9001 Quality System Certified |
| Battery Life | ~60 days continuous operation (rechargeable sealed lead-acid) |
| Sensor Lifetime | 24 months at 25°C / 1 atm (GPR-12-333), field-replaceable |
| Wetted Materials | 316 Stainless Steel |
| Calibration | Zero & span with certified N₂-balanced O₂ standards (80% of selected range recommended) |
| Temperature Compensation | Built-in digital compensation |
| Display | Graphical LED, 0.01 resolution, real-time ambient T/P readout |
| Input Connection | 1/8" quick-disconnect (included) |
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