SISCO piezoelectric rain gauge sensor utilizes advanced PVDF film technology for accurate rain detection. This automatic rain sensor operates without mechanical parts, ensuring long-term stability. The smart rain sensor offers real-time precipitation data through digital communication. Built-in self-diagnostics and automatic level calibration simplify deployment.
High-Precision Rainfall and Rain Intensity Real-Time Monitoring
- Offers a 0–4 mm/min measurement range with ≤ ±4% accuracy and 0.01 mm resolution, capable of detecting everything from drizzle to heavy downpours.
- Sampling frequency of less than 1 second ensures precise recording of rainfall start/stop times and precipitation trends, capturing even short-duration heavy rain events.
- Utilizes PVDF piezoelectric film as the core sensing component, converting raindrop impact directly into electrical signals for instantaneous, inertia-free response.
- Built-in embedded AI algorithm automatically analyzes rainfall signal characteristics, effectively distinguishing actual rainfall from environmental interference such as leaves, dust, and vibration to ensure pure and reliable data.
Digital Output and Intelligent Operation & Maintenance Management
- Equipped with an RS485 communication interface and MODBUS protocol for direct connection to PLCs, data loggers, RTUs, and other industrial equipment, enabling seamless data transmission.
- Supports internet connectivity to cloud platforms, allowing users to view real-time rainfall data, historical records, and trend charts anytime via mobile and PC devices.
- Features an arc-shaped contact surface design that automatically calibrates to level after installation, eliminating manual intervention and simplifying deployment.
- Operates across -40~85°C and 0~100 % RH with only 0.12W of power consumption, ensuring stable long-term performance in harsh outdoor environments.
Applications
SISCO piezoelectric rain gauge sensor is widely used in meteorological monitoring, agricultural irrigation management, hydrological water conservancy, transportation road condition monitoring, and forestry environmental protection, as well as wind power generation and automated field weather stations.
Agricultural Irrigation
Hydrology
Traffic Monitoring
Wind Power
| Model | SISCO-RS-SJ-YD1 |
| Communication Interface | RS485 |
| Communication Protocol | MODBUS |
| Measuring Range | 0-4mm/min |
| Measurement Accuracy | ≤±4% |
| Resolution | 0.01mm |
| Sampling Frequency | <1s |
| Power Supply | DC12V |
| Power Consumption | 0.12W |
| Operating Temperature | -40～85℃ |
| Working Humidity | 0～100%RH |
| Net Weight | 380g |
Dimensions (unit: mm)
Q1: How does the piezoelectric rain sensor achieve accurate rainfall measurement without mechanical parts?
A1: The piezoelectric rain sensor utilizes a PVDF piezoelectric film as the core sensing element. When raindrops strike the sensor surface, the film generates electrical signals proportional to the impact force. The built-in AI neural network then analyzes these signals to calculate rainfall intensity and cumulative precipitation, eliminating the mechanical wear and maintenance issues associated with traditional tipping bucket rain gauges.
Q2: What communication protocols does this rainfall sensor support for data transmission?
A2: The rainfall sensor is equipped with an RS485 communication interface and supports the standard MODBUS protocol. This allows for direct integration with PLCs, data loggers, RTUs, and other industrial control systems. The digital output ensures stable, interference-free data transmission over long distances, making it ideal for remote monitoring applications.
Q3: Can the electronic rain sensor operate reliably in extreme weather conditions?
A3: Yes, the electronic rain sensor is designed for harsh outdoor environments. It operates across a wide temperature range of -40~85°C and 0~100%RH humidity. With only 0.12W power consumption, it is suitable for solar-powered installations. The automatic level calibration and AI-based interference rejection further ensure reliable rain detection even in dusty, windy, or freezing conditions.
Tips: How can I ensure the rainfall sensor provides reliable data in harsh outdoor environments?
- Choose an installation location that is level and free from vibration sources, as excessive movement can introduce noise into the piezoelectric rain sensor measurements.
- Regularly check the sensing surface for scratches or damage, as physical wear may affect the signal response of the electronic rain sensor.
- Verify that the RS485 communication wiring uses shielded twisted-pair cable to minimize electromagnetic interference in long-distance data transmission.
- Perform periodic functional tests by simulating rainfall with a controlled water drip to confirm the rain sensor is responding correctly within the specified 0–4 mm/min measurement range.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
What is covered?
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.
What is not covered?
- Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
- Expendable parts.
- Routine cleaning or normal cosmetic and mechanical wear.
- Damage from misuse, abuse or neglect.
- Damage from use of parts other than SISCO approved.
- Damage from use outside the product’s usage or storage parameters.
- Damage from use of parts not sold by SISCO.
- Damage from modification or incorporation into other products.
- Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
- Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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