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| Brand | AII |
|---|---|
| Origin | USA |
| Model | GPR-1200 |
| Principle | Galvanic Electrochemical Sensor |
| Measurement Range | 0–10 / 0–100 / 0–1000 ppm O₂ (auto/manual switchable) |
| Accuracy | ±1% of full scale (at 25°C, 1 atm) |
| Resolution | 0.1% of minimum selected range |
| Linearity | R² > 0.995 |
| Response Time (t₉₀) | 10 s |
| Recovery Time | 60 min (from air to 10 ppm) |
| Sensor Lifetime | >24 months (at 1000 ppm O₂) |
| Enclosure Rating | NEMA 4X, IP66 |
| Explosion Protection | Class I, Division 1, Groups A, B, C, D (intrinsically safe) |
| Operating Temperature | 5–45°C with built-in temperature compensation |
| Sample Flow Rate | 0.5–5 SCFH (recommended: 2 SCFH ≈ 1 L/min) |
| Inlet Pressure | 5–100 psig (vacuum operation requires optional vacuum pump) |
| Display | Backlit LCD showing real-time O₂ concentration, sample pressure & temperature |
| Power | Rechargeable battery |
| Output | 0–1 V analog output |
| Certifications | CE, ISO 9001 |
| Optional Accessories | Integrated vacuum pump, acid-gas sensor (for CO₂/H₂S-containing streams), particulate filter unit, custom calibration gases |
| Brand | AII |
|---|---|
| Origin | USA |
| Model | GPR-18 |
| Measurement Principle | Electrochemical Sensor |
| Range | 0–10 / 100 / 1000 ppm, 0–1% / 25% O₂ |
| Resolution | 0.1% of full scale |
| Accuracy | ±1% of full scale (at 25°C, 1 atm) |
| Linearity | R² > 0.995 |
| T₉₀ Response Time | ≤10 s |
| Recovery Time | ≤60 min (from air to 10 ppm) |
| Sensor Lifetime | 24 months |
| Certifications | CE, FM Class I Division 1 Groups B, C, D, CSA, ISO 9001 |
| Display | 3½-digit LED |
| Analog Outputs | 0–1 V DC and 4–20 mA |
| Power Supply | 220 V AC @ 50 Hz |
| Alarm Outputs | Two user-adjustable relay outputs + fault alarm |
| Sample Flow Rate | 1–5 SCFH (recommended: 2 SCFH ≈ 1 L/min) |
| Operating Temperature | 5–45°C with automatic temperature compensation |
| Operating Pressure | 5–100 psig |
| Enclosure | Anodized aluminum, NEMA 4/7 rated |
| Dimensions | 12" × 11.5" × 10.5" (305 × 292 × 267 mm) |
| Weight | 40 lb (18.1 kg) |
| Sample Compatibility | H₂, hydrocarbons, process gases, acid gases containing CO₂ (specify at order) |
| Brand | AII |
|---|---|
| Origin | USA |
| Model | GPR-1500 |
| Measurement Principle | Electrochemical Fuel Cell |
| Range | 0–10 / 100 / 1000 ppm, 0–1% / 25% FS |
| Accuracy | <1% FS (at ambient temperature and pressure) |
| Sensor Life | 24 months (GPR-12-333 fuel cell) |
| Linearity | >0.995 |
| Response Time | 10 s (T₉₀) |
| Sensitivity | 0.5% FS |
| Pressure Range | 5–30 psig (inlet), atmospheric (outlet) |
| Flow Rate | 0.5–5 SCFH (recommended: 2 SCFH) |
| Temperature Range | 5–45°C (GPR sensor) |
| Compensation | Automatic temperature and barometric pressure compensation |
| Output Signal | 4–20 mA |
| Display Resolution | 0.01 ppm |
| Enclosure Rating | NEMA 4X (aluminum-coated) |
| Ingress Protection | IP66 |
| Electrical Interface | Waterproof membrane keypad |
| Gas Connection | 1/8" Swagelok® compression fitting |
| Certifications | CE, ISO 9001 |
| Hazardous Area Options | Intrinsically safe configuration available with approved safety barrier for Class 1, Division 1, Groups A–D (per UL 913 & CSA C22.2 No. 157) |
| Brand | AII |
|---|---|
| Origin | USA |
| Model | GPR-2000 |
| Measurement Principle | Electrochemical Sensor |
| Range | 0–1%, 0–5%, 0–10%, 0–25% O₂ (Auto/Manual Switching) |
| Resolution | 0.01% O₂ |
| Accuracy | ±1% of full scale (at 25°C, 1 atm) |
| Linearity | R² > 0.995 |
| Response Time (T₉₀) | <10 s |
| Sensor Lifetime | 36 months (standard), 24 months (acid-resistant) |
| Enclosure | Anodized Aluminum, NEMA 4X Rated |
| Dimensions | 4" × 9" × 3" (10.2 × 22.9 × 7.6 cm) |
| Weight | 7 lbs (3.2 kg) |
| Display | Backlit LCD with Real-Time Temperature Readout |
| Output | 0–1 V Analog |
| Power | Rechargeable Battery (60-day operational life per charge) |
| Certifications | CE, ISO 9001 |
| Operating Temperature | 5–45°C with Built-in Temperature Compensation |
| Pressure Range | 5–30 psig (vacuum operation optional with integrated pump) |
| Flow Rate | 0.5–5 SCFH (recommended: 2 SCFH ≈ 1 L/min) |
| Gas Compatibility | H₂, He, hydrocarbons, inert gases, acid gases (CO₂, H₂S—requires acid-resistant sensor option) |
| Calibration | Recommended with 80% FS certified gas |
| Inlet/Outlet | 1/8" Swagelok® Compression Fittings |
| Standard Accessories | Rugged Carrying Case, Charger & Battery, 2 m Sample Tubing, English/Chinese User Manual |
| Optional Accessories | Integrated Flow Control Valve & Rotameter, Internal Vacuum Pump, Food Packaging Configuration, Intrinsically Safe Design (Class I, Div 1, Groups A/B/C/D), Acid-Resistant Sensor Kit |
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