1、FUNCTION: Can be used to measure total solar radiation in the spectrum range of 0.3-1.1μm. If the sensing surface is facing downward, reflected radiation can also be measured. And with the shading ring, scattered radiation can be measured. 2、HIGH ACCURACY: This total solar radiation sensor uses a high accuracy sensor component as the core device, which has good stability and high accuracy, which ensures reliable measurement results. 3、QUARTZ GLASS COVER: A quartz glass cover manufactured by optics cold processing is mounted on the outside of the sensor to effectively prevent environmental factors from affecting its performance. 4、PROTECTIVE COVER: Equipped with a protective cover, which protects the sensor during transportation. It can be closed in case of bad weather to ensure that the instrument is not damaged. The cover can be unscrewed by rotating it during use, which is convenient and quick. 5、WIDELY APPLIED: This total solar radiation sensor can be widely used in meteorology, energy, construction and other fields to meet the needs of different areas.
Specification
Item Type: Total Solar Radiation Sensor
Material: Aluminum Alloy
Weight: Approx. 300g / 10.6oz
Power Supply: 5V
Output: RS485 (Default for Modbus Protocol)
Product Size: 65x52x49mm / 2.6x2.0x1.9in
Bottom Hole Distance: 57mm / 2.2in
Spectrum Range: 300-1100nm
Resolution: 1W/m2
Measuring Range: 0-1500W/ m2
Sensitivity: 7-14μV/W m 2
Accuracy: ±5%
Load Capacity: Current Type Output Impedance RL ≤ 250Ω, Voltage Type Output Impedance RL ≥ 1KΩ
Response Time: <5s
Cosine Response: ＜±10%（When Sun Altitude Angle 10°)
Non Linearity: ＜±5%
Annual Variation Rate: <±5%
Operating Environment: Temperature -40℃-60℃, Humidity ≤100%RH
Product Power Consumption: 0.48W
Wire Sequences:
Red: Power Positive
Black: A+
Yellow: B-
Green: Power Negative
Steps For Modbus CRC Verification
1. Preset the 16 bit register as hexadecimal FFFF, call this register as CRC register;
2. Isolate the first 8 bit data with the lower bit of the CRC register and put the result in the CRC register;
3. Check the lowest bit by shifting the contents of the register one bit to the right (toward the lower bit) and filling the highest bit with a zero;
4. If the lowest bit is 0: repeat step 3 (shift again). If the lowest bit is 1: the CRC register is iso orthogonal to the polynomial A001 (1010 0000 0000 0001);
5. Repeat steps 3 and 4 until right shifted 8 times so that the entire 8 bit data is all processed;
6. Repeat steps 2 through 5 for the next 8 bit data;
The final CRC register obtained is the CRC code (the CRC code obtained is the low before the high).
Troubleshooting:
The meter display value is incorrect when outputting. It may be due to wiring problems or serial port failure that the correct data cannot be acquired. Please check whether the wiring is correct and firm, whether the serial port is occupied, and whether the serial port setting is correct
Package List
1 x Total Solar Radiation Sensor
1 x Instruction Manual
Note
1. Please check whether the package is intact, and check whether the product model is consistent with the selection.
2. Do not connect the wires with electricity, check the wiring is correct before turning on the power.
3. The sensor wire length will affect the product output signal, do not change freely when using.
4. The sensor is a delicate device, the user should not disassemble, use pointed objects or corrosive liquids to access the surface of the sensor, in order to avoid damage to the product.
5. Remove the protective cover when the sensor is in use.

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