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| Brand | PhyMetrix |
|---|---|
| Origin | USA |
| Model | PGA620 |
| Instrument Type | Portable |
| Detection Target | Single-component (CO₂) |
| Repeatability | ≤ ±1% FS |
| Resolution | 0.1 ppm or 0.01% |
| Response Time | T90 ≈ 0.15 s (@ 1 SCFH) |
| Linearity Error | ≤ ±2% FS (excluding calibration gas uncertainty) |
| Measurement Principle | Non-Dispersive Infrared (NDIR) |
| Range Options | 0–5000 ppm, 0–5%, 0–20%, 0–100% CO₂ |
| Zero Drift | ±2% FS |
| Operating Temperature | 0–45 °C |
| Power Supply | Rechargeable Li-ion battery |
| Interface | USB Type-C |
| Data Storage Capacity | Up to 10,000 records with timestamped logging |
| Housing Material | Anodized magnesium-aluminum alloy |
| Dimensions | 180 × 142 × 146 mm (H × W × D) |
| Weight | 2.1 kg |
| Inlet Fitting | 1/8" compression fitting |
| Compliance | GB/T 23938–2009 (High-Purity CO₂), GB 10621–2006 (Food-Grade Liquid CO₂) |
| Brand | PhyMetrix |
|---|---|
| Origin | USA |
| Model | PGA520 |
| Instrument Type | Online Analyzer |
| Detection Target | Single-component (CO₂) |
| Repeatability | ≤ ±1% F.S. |
| Resolution | 0.1 ppm or 0.01% |
| Response Time | T90 ≈ 0.15 s (@ 1 SCFH) |
| Linearity Error | ≤ ±2% F.S. (excluding calibration gas uncertainty) |
| Measurement Ranges | 0–5000 ppm, 0–5%, 0–20%, 0–100% CO₂ (field-selectable) |
| Minimum Resolution | 0.01 ppm or 0.01% |
| Warm-up Time | <2 min (to operational readiness) |
| Operating Temperature | 0–40 °C with full-range temperature compensation |
| Power Supply | 110–220 VAC or 12–36 VDC |
| Dimensions | 200 mm (H) × 80 mm (W) × 102 mm (D) |
| Weight | 1.5 kg |
| Inlet/Outlet Fitting | 1/4" compression fitting (male thread) |
| Enclosure Rating | IP67 |
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