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Relative Humidity Sensor
The SEVEN Relative Humidity Sensor is specifically designed to measure relative humidity and ambient temperature, with an optional pressure measurement feature.
The sensor is supplied with mounting facility, and protected from direct sunlight & radiations by a plastic radiation shield with four aspirated plates that allow the air to pass freely.
Two models are available to meet different customer needs:
- 3S-AT&RH: Measures Relative Humidity and Ambient Temperature. It can be connected to SEVEN Irradiance Sensor or Sensor Box models.
- 3S-RH/AT/PS: Measures Relative Humidity, Ambient Temperature, and Pressure. It can be connected to the SEVEN Compact Weather Station.
TECHNICAL DATA
| Item Code | 3S-RH&AT | 3S-RH/AT/PS |
| Measured Data | Relative Humidity Ambient Temperature |
Relative Humidity Ambient Temperature Pressure |
| Sensor Type | Capacitive | |
| Relative Humidity Range | 0% to 100% | |
| Relative Humidity Accuracy | ±1% RH (20 … 70%) at 25 °C | |
| Relative Humidity Resolution | 0,1% | |
| Ambient Temperature Range | -40°C to +85°C | |
| Ambient Temperature Accuracy | ±0.1% °C at (5 … 60 °C) | |
| Ambient Temperature Resolution | 0.1°C | |
| Pressure Range | – | 260 to 1260 hPa |
| Pressure Accuracy | – | 0.5 hPa |
| Pressure Resolution | – | 0.1 hPa |
| Data Output | I²C | |
| Power Supply | 3 V DC | |
| Electrical Connection | 3 m LIYYC11Y PUR Cable, UV and Weather Resistant | |
| Operating Temperature Range | -40°C to +85°C | |
| Shield Dimensions | Ø 105 x 100 mm | |
| Weight | 0,2 kg | |
| IP Rating | IP 65 | |
| 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) | |