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Product details
1、 Function
Widely used in agricultural production and scientific research, for the investigation of light energy resources, studying the relationship between crop growth and development, yield and quality, and light energy utilization, it is conducive to summarizing the rational arrangement of crop rotation, layout, and high-yield experience of economic utilization of light energy through light energy measurement. Record changes in light intensity around the clock, collect light information at regular intervals or freely set intervals, and display daily, ten day, monthly, seasonal, annual average, highest/lowest photosynthetically active radiation intensity, effective light energy accumulation value, and total solar radiation energy.
2、 Characteristics
1. Multi information menu display and cursor guidance operation, simple operation, data storage and communication with computers,
2. High measurement accuracy and response speed;
3. Small size, easy installation, and convenient mobility;
4. High cost-effectiveness and low usage cost.
3、 Main technical parameters:
1. Working environment: The working environment of the whole machine is -20-70 ℃, with a relative humidity of 0-100% (no condensation of water vapor);
2 Power supply: DC6V7AH can store batteries, AC configuration devices or solar cells, and can work continuously in the field for a long time;
3 Data storage: 4G
4 Display: LCD display;
5 Data transmission: TF card inserted directly into the host;
6 Measurement indicators: Measure photosynthetically active radiation within a bandwidth of 400-760nm, measurement range:
1×10-4～5.932×10-2mw/cm2 （ 0--2742μmols-1m-2）
1) Relative difference (spectral response):<10% (for crown planting)
2) Accuracy:<± 0.5% of the measured value ± 1 word
3) Accuracy:<± 5% ± 1 word of measured value (relative to NIM standard)
4) Spectral response characteristics: simulating photosynthetic efficiency function
5) Linear error:<± 0.2% of the measured value ± 1 word
6) Temperature characteristics:<± 0.1% of measured value/℃ ± 1 word
7) Stability: Change within one year ＜ ± 2%
8) Response time: 10 μ s
9) Azimuth angle: When the sun's altitude is 45 °, the error within a 360 ° range is less than ± 1%
10) Application temperature: -30 ℃ -55 ℃; Relative humidity 0-100% (without condensation of water vapor)
Widely used in agricultural production and scientific research, for the investigation of light energy resources, studying the relationship between crop growth and development, yield and quality, and light energy utilization, it is conducive to summarizing the rational arrangement of crop rotation, layout, and high-yield experience of economic utilization of light energy through light energy measurement. Record changes in light intensity around the clock, collect light information at regular intervals or freely set intervals, and display daily, ten day, monthly, seasonal, annual average, highest/lowest photosynthetically active radiation intensity, effective light energy accumulation value, and total solar radiation energy.
2、 Characteristics
1. Multi information menu display and cursor guidance operation, simple operation, data storage and communication with computers,
2. High measurement accuracy and response speed;
3. Small size, easy installation, and convenient mobility;
4. High cost-effectiveness and low usage cost.
3、 Main technical parameters:
1. Working environment: The working environment of the whole machine is -20-70 ℃, with a relative humidity of 0-100% (no condensation of water vapor);
2 Power supply: DC6V7AH can store batteries, AC configuration devices or solar cells, and can work continuously in the field for a long time;
3 Data storage: 4G
4 Display: LCD display;
5 Data transmission: TF card inserted directly into the host;
6 Measurement indicators: Measure photosynthetically active radiation within a bandwidth of 400-760nm, measurement range:
1×10-4～5.932×10-2mw/cm2 （ 0--2742μmols-1m-2）
1) Relative difference (spectral response):<10% (for crown planting)
2) Accuracy:<± 0.5% of the measured value ± 1 word
3) Accuracy:<± 5% ± 1 word of measured value (relative to NIM standard)
4) Spectral response characteristics: simulating photosynthetic efficiency function
5) Linear error:<± 0.2% of the measured value ± 1 word
6) Temperature characteristics:<± 0.1% of measured value/℃ ± 1 word
7) Stability: Change within one year ＜ ± 2%
8) Response time: 10 μ s
9) Azimuth angle: When the sun's altitude is 45 °, the error within a 360 ° range is less than ± 1%
10) Application temperature: -30 ℃ -55 ℃; Relative humidity 0-100% (without condensation of water vapor)
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