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| Application: | plant physiology, ecology, agronomy, forestr |
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The plant transpiration rate meter is used to quantitatively measure the influence of various factors on the stomatal behavior of leaves. It can conveniently, repeatedly, and accurately calculate the stomatal conductance and transpiration rate. It can also measure the air temperature and humidity, leaf surface temperature, and photosynthetically active radiation. Therefore, the measurement of the transpiration rate of plants is of great significance for agricultural scientific research, teaching, horticultural research, forestry research, etc.
Closed-circuit measurement
Principle: According to the principle of cyclic diffusion, the measurement and calculation are carried out based on the change in the humidity of the space where the plant leaves are located.
Photosynthetically Active Radiation (PAR)
Leaf Temperature
Leaf Chamber Humidity
Air Temperature
Air Humidity
Transpiration Rate
Stomatal Conductance
| Model | PLP-C308 | |
| Air temperature | High-precision digital temperature sensor imported from Switzerland | |
| Measuring range | -20-80°C | |
| Resolution | 0.1°C | |
| Error | ±0.2°C | |
| Sample chamber temperature range | -5~ 55°C | |
| Leaf chamber humidity | RH measuring range | 0~85% |
| Error | 1% | |
| Photosynthetically active radiation (PAR) | Silicon photocell with correction filter | |
| Measuring range | 0-3000µmol·m-2·s-1 | |
| Accuracy | ±5µmolm/s | |
| Flow | Micro flowmeter, flow rate can be set arbitrarily in the range of 0-1.5L, stable airflow | |
| Accuracy | 1% | |
| In the range of 0.2~1L/min | ±0.2% | |
| Leaf chamber size | Operating size 55×20mm | |
| Operating environment | Operating temperature 0-50ºC | |
| Operating humidity | 10% - 85% | |
| Power supply | Large capacity DC8.4V rechargeable lithium battery, which can work continuously for 20 hours per charge. | |
| Data storage | RAM 2G | |
| Data transmission | USB connection to a computer can directly export data | |
| Display | 3.5" TFT True color LCD color display with a resolution of 800×480 for clear visibility in bright light | |
| Package size (WxDxH)(mm) | 550x250x400 | |
| Gross weight | 10kg | |
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