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| Brand | Yuntang |
|---|---|
| Model | YT-ZT10 |
| Origin | Shandong, China |
| Manufacturer | Yuntang Instrument Co., Ltd. |
| Measurement Principle | Open-path diffusion-based gas exchange |
| Key Parameters | Leaf chamber temperature sensor (Heraeus, -20–80°C, ±0.2°C) |
| battery life | 20 h (DC 8.4 V Li-ion) |
| data storage | 16 GB internal (expandable to 32 GB) |
| display | 3.5" TFT LCD (800×480) |
| dimensions | 260×260×130 mm |
| weight | 3.25 kg |
| Units | Transpiration rate (Tr): mmol H₂O·m⁻²·s⁻¹ |
| Stomatal conductance (Gs) | mol H₂O·m⁻²·s⁻¹ |
| Stomatal resistance (Rs) | s·m⁻¹ |
| Accuracy | Tr ±1–5%, Gs ±5–10% |
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