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Relative Humidity Sensor With Modbus Output
Relative Humidity sensors are used to measure the actual humidity condition within the air at any given point or any given place. It measures the Humidity in Percentage (%). This sensor measures also the Ambient Temperature where the PVs are placed in degrees Celsius (°C). Relative Humidity measurements may be used to estimate changes in incident spectrum which may affect PV module power output as well as irradiance sensor readings. Humidity data with ambient temperature data can also be used to calculate the Dew Point. This Relative Humidity Sensor Model is compatible with with all Dataloggers supporting Modbus RTU Protocol. It is supplied with mounting facility, and protected from direct sunlight & radiations by a plastic radiation shield.
TECHNICAL DATA
Item Code | 3S-RH&AT-MB |
Sensor Type | Capacitive |
Humidity Measuring Range | 0,1% |
Humidity Accuracy | 0% to 100% |
Humidity Resolution | ±1% RH (20 … 80%) at 25 °C |
Temperature Measuring Range | -40°C to +85°C |
Temperature Accuracy | ± 0.1°C |
Temperature Resolution | ± 0.1 °C at (5…60 °C) |
Data Output | RS485 up to 38400 Baud |
Communication Protocol | Modbus RTU |
Power Supply | 12 to 30 V DC |
Power Consumption | 20 mA max @ 24 VDC |
Electrical Connection | 3 m LIYYC11Y PUR Cable, UV and Weather Resistant |
Operating Temperature Range | -40°C to +85°C |
Box Dimensions | 64 x 68 x 35 mm (W x L x H) |
Shield Dimensions | Ø 105 x 100 mm |
Weight | 0.5 kg |
IP Rating | IP 65 |
Box Material | ABS |
Sensor Housing Material | Stainless Steel Tube – Membran Filter |
Shield Material | ABS |
Standard | Class A according to IEC 60751:2022 (Temperature) Class A according to IEC 61724-1:2021 (Relative Humidity) |