Plant Nutrition Tester YL04
I. Purpose
The Plant Nutrient Meter instantly measures the relative chlorophyll content (in SPAD) or greenness of plants, nitrogen content, foliar humidity, foliar temperature, and thus the true nitro requirement of the plant as well as the degree of nitro deficiency in the soil or whether nitrogen fertilisers are being applied in excess. This instrument can be used to increase the utilisation of nitrogen fertiliser and to protect the environment. It can be widely used in agriculture and forestry related research units and universities to study plant physiological indicators and guide agricultural production.
II. Functional features
1. Fast and non-destructive plant vivo testing, measurement can be inserted into the leaf, no need to pick the leaf, without affecting the normal growth of the crop, you can monitor the leaf throughout the crop growth process, so as to get more scientific analysis results.
2. High measurement accuracy (accuracy: ± 1.0 SPAD, repeatability: ± 0.3 SPAD), built-in anti-glare interference system
3. One operation can determine all parameters at the same time, chlorophyll, nitrogen content, foliage temperature, foliage humidity four parameters of the same screen display at the same time, and can be stored at the same time
4.16GB large storage space, data can be stored, viewed, exported in groups
5.Multi-functional USB interface, data export and charging function can be achieved, the instrument can be directly online with the computer, data export without the host computer software, you can also choose to use the memory card to export data directly, simple and convenient operation.
6. Data browsing: you can browse historical data and delete abnormal data on the instrument.
7. High-contrast LCD display, which can display data clearly under bright light.
8. Low-power mode design, built-in high-capacity lithium-ion rechargeable battery, with anti-overcharge function, energy-saving and environmentally friendly and convenient for outdoor operation.
9. Built-in Chinese and English bilingual display, one-key switching, seamless docking
III. Technical indicators
1. Detection items: chlorophyll content, nitrogen content, foliage temperature, foliage humidity
2.Measuring range Chlorophyll: 0.0-99.99SPAD Nitrogen content: 0.0-99.99mg/g
Leaf surface humidity: 0.0-99.9RH% Leaf surface temperature: -10-99.9°C
3. Measuring area: 2mm*3mm
4. Measurement accuracy Chlorophyll: within ±1.0 SPAD unit (room temperature, SPAD value between 0-50)
Nitrogen content: ±5% Leaf surface humidity: ±5% Leaf surface temperature: ±0.5°C
5. Repeatability Chlorophyll: within ±0.3 SPAD units (SPAD values between 0-50)
Nitrogen content: ±0.5mg/g Leaf surface humidity: ±0.5RH% Leaf surface temperature: ±0.2°C
6. Measurement time interval: less than 0.8 seconds
7. Data storage: 16GB can be grouped according to user requirements for storage
8. Power supply: 4.2V rechargeable lithium battery
9. Battery capacity: 3000mah
10. Weight: 230g
11. Working and storage environment: -10 ℃ ~ 50 ℃ ≤ 85% relative humidity
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