| CO2 analysis | Non-diffusive infrared CO2 analysis, measuring range: 0-2000ppm, resolution: 0.1ppm; 300ppm accuracy <0.5ppm, 300-800ppm when the accuracy of 1ppm, 800-2000ppm when the accuracy of 3ppm |
| Leaf chamber temperature | Germany Heraeus high-precision digital temperature sensor, measuring range: 0-60 ºC, resolution: 0.1 ºC, error ± 0.2 ºC |
| Leaf temperature | Platinum resistance, measuring range: 0-60 ºC, resolution: 0.1 ºC, error ± 0.2 ºC |
| Humidity | Switzerland imported high-precision digital humidity sensor |
| Measuring range | 0-100%, resolution: 0.1%, error ≤ 1% |
| Photosynthetic active radiation (PAR) | A silicon photovoltaic cell with a modified filter |
| Measuring range | 0-2850μmolm m2 / sec, accuracy <3μmolm m2 / sec. |
| Response wavelength rang | 400 ~ 700nm |
| Flow measurement | glass rotor flowmeter, air pump flow ≤ 1.5L. Error: 3%, in the range of 0.2 ~ 0.8L / min <± 0.2% |
| Leaf size | standard size 55 × 20mm, other sizes customized according to customer needs |
| GPS positioning | with GPS positioning function, real-time display of the latitude and longitude of the measured location |
| Operating environment | temperature 0 ºC -60 ºC, relative humidity: 0-100% (no condensation of water vapor) |
| Power | DC7.4V lithium battery, can work for 7-9 hours |
| Data storage | 2GB SD card can be extended to 4G SD card, data storage up to hundreds of thousands of groups |
| Display | 320 × 160 dot matrix, English interface |
| Dimension | 260 × 260 × 130mm |
| Weight | host 3.25kg |