| Manufacturer | |
| Mfr. Part # | 101990760 |
| EBEE Part # | 101990760-EB |
| Customer # | |
| EDA Models | |
| Description | Industrial-Grade Optical Rain Gauge RG-9 detects the size of raindrops and provides information on rain intensity to the users. It features easy-installation and maintenance-free, suitable for applications in weather and climate studies, hydrological network monitoring, agriculture, and other scenarios that need monitoring rainfall. |
| Type | Description | Select All |
|---|---|---|
| Category | IoT/Communication Modules ,LoRa Modules |
Note
Needing Rain Gauges measuring accurate rainfall volume and intensity? Our Industrial-Grade Optical Rain Gauge RG-15 would be your option. We also provide a chart showing the difference between RG-9 and RG-15 down below for you. Please feel free to check and learn more!
Note
Please send email to sensecap[at]seeed[dot]cc to request any technological support for this product.

| Parameter | Value |
|---|---|
| Input Voltage | Range 5-15 VDC on J1 Reverse polarity protected to 50V or 3.3VDC through pin 8 on J2 |
| Current Drain | 110 uA nominal. (No outputs on, dry not raining) 2-4 mA when raining |
| Output | NPN Open Collector Output 500 mA / 80V/300mW Max |
| Operating Temperature | -40°C to +60°C (Will not detect rain when freezing) |
| DIP Selectable Sensitivity | Rain Drops Very light Medium Heavy |
| RS232 Port | 3.3V |
| Supported Baud Rates | 1200, 2400, 4800, 9600, 19200, 38400, 57600 |
| RG-15 | RG-9 | |
|---|---|---|
| High Accuracy Tipping Bucket | ✓ | - |
| Wiper Control | - | - |
| Drop Detection | - | - |
| Condensation Sensing | - | - |
| Irrigation Control | - | - |
| Rain Water Harvest | - | - |
| "It's Raining Mode" | - | ✓ |
| Low Power | ✓ | ✓ |
| Unique Hardware | - | - |
| Current Drain | 110 uA Nominal 4 mA Raining | 110 uA Nominal 4 mA Raining |
| Tipping Bucket Accuracy | ±10% in our controlled environment | - |
| Serial Communication RS232 | Command Based Bidirectional | Command Based Bidirectional |

