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Calculation formula

3.1 Current type signal output calculation method

For example, the range is 0~1800W/m2, 4~20mA output. When the output signal is 12mA, the current solar radiation value is calculated.

The solar radiation range spans 1800 W/m2 and is expressed by a 16 mA current signal, 1800 W/m2/16 mA = 112.5 W/m2.

/mA, that is, current 1mA represents solar radiation change 112.5W/m2, measured value 12mA-4mA=8mA, 8mA*112.5W/

M2/mA = 900W/m2, the current solar radiation value is 900W/m2.

3.2 Voltage type signal output conversion calculation

For example, the range is 0~1800W/m2, 0-10V output. When the output signal is 5V, the current solar radiation value is calculated. sun

The span of the radiation range is 1800W/m2, expressed by a 10V voltage signal, 1800W/m2/10V=180W/m2/V, that is, electricity

Pressure 1V represents solar radiation change 180W/m2, measured value 5V-0V=5V, 5V*180W/m2/V=900W/m2, current sun

The radiation value is 900 W/m2.

RS485 Output

Power supply range :10V~30V DC

Output : RS 485 (standard Modbus-RTU protocol)

Power consumption :0.08W

Working humidity: 0%~100%RH

Working temperature:  -40 C ~ 60 C

Spectral range:  0.3~3μm

Measuring range : 0~1800W/m2

Resolution :1W/m2

Response time :≤ 10S

Nonlinear: <±2%

Annual stability :≤ ± 2%

Cosine response: ≤ ± 10%

Line length : 60cm

Wiring

Installation method

1. After the installation is complete, remove the protective cover

2. Make sure the bracket is installed and the radiation sensor is parallel to the ground.

3. Secure the sensor to the mounting bracket by using a screw through the mounting hole on the sensor.

4. Please note that the dust cover should not be damaged during the installation process, so as not to affect the measurement accuracy.

Installation method

1. After the installation is complete, remove the protective cover

2. Make sure the bracket is installed and the radiation sensor is parallel to the ground.

3. Secure the sensor to the mounting bracket by using a screw through the mounting hole on the sensor.

4. Please note that the dust cover should not be damaged during the installation process, so as not to affect the measurement accuracy.

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