Solar Panel Dust Monitoring Sensor

1.2 Application Scenarios

Technical indicators

parameter name	Parameter Description	Remark
Pollution ratio	Dual sensor value 50～100%
Pollution Ratiomeasurement accuracy	Measuring range: 90～100%	Measurement accuracy ± 1 % + 1% FS of reading
	Measuring range 80～90%	Measuring accuracy ± 3 %
	Measuring range: 50～80%	The measurement accuracy is ± 5 %, processed by internal precision algorithm .
stability	Better than 1% of full scale ( per year )
Backplane temperature sensor	Measuring range: -50～150℃ RefinedYesDegree: ±0.2℃ pointIdentifyRate: 0.1℃	Optional
GPS Positioning	Working voltage: 3.3V-5V Working current: 40-80mA Positioning accuracy: average value 10m, Maximum value: 200m.	Optional
output method	RS485 Modbus
output method	Linked output ( passive normally open contact )
Alarm threshold	You can set upper and lower thresholds
Operating Voltage	DC12V (allowable voltage range DC9～30V ）
Current range	70～200mA@DC12V
Maximum power consumption	＜2.5W @DC12V	Low power design
Operating temperature	-40℃～+60℃
Working humidity	0～90%RH
weight	3.5Kg	Net Weight
size	900mm170mm42mm	Net size
Sensor cable length	20m

5. Performance comparison table of ash monitoring system

Serial number	Product Performance	Brand: Imported product	Brand: Domestic products	Brand: Licheng Automation
1	Implementation Standards	IEC61724-1:2017	IEC61724-1:2017	IEC61724-1:2017
2	Technical principle	Continuous multi-frequency blue light diffuse scattering Closed-loop technology	Single blue light diffuse scattering closed loop technology	Continuous multi-frequency blue light diffuse scattering Closed-loop technology
3	Dust indicator	Transmission loss rate (TL)\contamination rate (SR)	Transmission loss rate (TL)\contamination rate (SR)	Transmission loss rate (TL)\contamination rate (SR)
4	Monitoring probe	Dual probe average data	Dual probe average data	Upper probe data , lower probe data, dual probe average data
5	Calibrate photovoltaic panels	1 block	2 pieces	2 pieces
6	Observation time	Valid data 24 hours a day	Valid data 24 hours a day	Valid data 24 hours a day
7	Test interval	1min	1min	1min
8	Monitoring software	have	have	have
9	Threshold alarm	none	Upper limit, lower limit, linkage with secondary equipment	Upper limit, lower limit, linkage with secondary equipment
10	communication method	RS485	RS485\Bluetooth\4G	RS485\4G
11	Protocol	MODBUS	MODBUS	MODBUS
12	Supporting Software	have	have	have
13	Component temperature	Platinum resistance	PT100 A-grade platinum resistance	PT100 A-grade platinum resistance
14	GPS Positioning	none	none	have
15	Time output	none	none	have
16	Temperature compensation	none	none	have
17	Tilt detection	none	none	have
18	Anti-theft function	none	none	have
19	Working power supply	DC 12～24V	DC 9～36V	DC 12 ～ 24V
20	Device power consumption	2.4W @ DC12V	＜2.5W @ DC12V	＜2.5W @DC12V
twenty one	Operating temperature	-20～60˚C	-40～60˚C	-40～60˚C
twenty two	Protection level	IP65	IP65	IP65
twenty three	Product Size	990×160×40mm	900×160×40mm	900mm170mm42mm
twenty four	product weight	4kg	3.5 kg	3.5 kg
25	Scan the QR code to get Installation Video	none	none	have
26	product price	International price system	China's price system	China's pro-enterprise pricing system