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| Brand | Shanda |
|---|---|
| Model | SD-FS800Z |
| Measurement Principle | Closed-path infrared gas analysis (IRGA) with dual-wavelength CO₂ sensor |
| CO₂ Range | 0–2000 ppm |
| CO₂ Resolution | ≤0.1 ppm |
| CO₂ Accuracy | ±1.5% of reading (temperature-compensated) |
| Air Temperature Range | −20 °C to +60 °C |
| Relative Humidity Range | 0–85% RH (non-condensing) |
| Leaf Temperature Sensor | Thermistor, ±0.2 °C accuracy |
| PAR (Photosynthetically Active Radiation) Sensor | Silicon photodiode, 0–3000 µmol·m⁻²·s⁻¹, ±5% |
| Flow Rate Control | Adjustable 0–1.0 L·min⁻¹, stability ±1% FS |
| Power Supply | Rechargeable 8.4 V DC Li-ion battery, 15 h continuous operation (no external light source) |
| Display | 3.5″ TFT color LCD, 800×480 resolution |
| Data Storage | Internal 16 GB flash memory (expandable to 32 GB) |
| Interface | USB 2.0 for data export |
| Dimensions | 260 × 260 × 130 mm |
| Weight | 3.25 kg |
| Leaf Chamber Standard Size | 55 × 20 mm (customizable) |
| Operating Environment | −20 °C to +60 °C, 0–85% RH |
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