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| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-830 / LI-850 |
| CO₂ Range | 0–20,000 µmol/mol |
| CO₂ Accuracy | ±3% of reading (LI-830) |
| H₂O Range (LI-850 only) | 0–60 mmol/mol |
| H₂O Accuracy | ±1.5% of reading |
| Zero Drift (CO₂) | <0.15 µmol/mol/°C |
| Span Drift (CO₂) | <0.03%/°C |
| RMS Noise (CO₂) | <1 µmol/mol @ 370 µmol/mol (1-s avg) |
| H₂O Cross-Sensitivity (LI-850) | <0.1 µmol/mol CO₂ per mmol/mol H₂O |
| CO₂ Cross-Sensitivity (LI-850) | <0.0001 mmol/mol H₂O per µmol/mol CO₂ |
| Response Time (T90) | <3.5 s (CO₂ and H₂O) |
| Measurement Principle | Non-Dispersive Infrared (NDIR) |
| Pressure Compensation Range | 50–110 kPa |
| Output | Dual analog (0–2.5 V or 0–5 V |
| Power | 12–30 VDC |
| Operating Temp | –20 to +45 °C |
| Dimensions | 22.23 × 15.25 × 7.62 cm |
| Mass | 1.0 kg (base unit) |
| Brand | METER |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | ProCheck |
| Pricing | Upon Request |
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