ZWS100 Piezoelectric Rain Sensor
ZWS100 (optional ZWS10G with GPS/4G)
The ZWS100 is a piezoelectric rainfall sensor that measures rainfall intensity from 0 to 10 mm/min at 0.01 mm resolution. It outputs data over RS485 as standard, with RS232, SDI-12, WiFi, Bluetooth, LTE, LoRa or NB-IoT available as options, and is available through MetSensor UK as a UK reseller of Zata IoT sensors.
- ✓ Piezoelectric sensing principle for rainfall detection
- ✓ Measurement range 0-10 mm/min at 0.01 mm resolution
- ✓ 3-4% accuracy depending on configuration
- ✓ RS485 standard output with multiple optional wireless interfaces
- ✓ IP66/IP67 outdoor industrial-grade ASA housing
- ✓ 304/stainless steel sensing surface
- ✓ Optional ZWS10G variant with integrated GPS/4G
Specifications
| Sensing principle | Piezoelectric |
|---|---|
| Measurement range | 0-10 mm/min |
| Resolution | 0.01 mm |
| Accuracy | 3-4% (varies by configuration) |
| Operating voltage | DC 5-30V / 12/24V |
| Power consumption | <15 mA @ DC12V |
| Output interface | RS485 standard; optional RS232, SDI-12, WiFi, Bluetooth, LTE, LoRa, NB-IoT |
| Dimensions | Ø110 mm x 123 mm |
| Weight | 1 kg |
| Material | Outdoor industrial-grade ASA body; 304/stainless steel sensing surface |
| Protection rating | IP66/IP67 |
| Mounting diameter | Ø50-68 mm |
| Electrical connection | 7-pin connector |
| Rain Sensing Surface | 304 Stainless Steel |
| Mounting Dimension | Diameter Ø50mm - Ø68mm |
| Measure Resolution | 0.01mm |
| Interface | RS485/RS232/Wifi/BT/LTE (optional) |
| Power Supply | DC12/24V / Solar Power |
ZWS100 (optional ZWS10G with GPS/4G) compared to others
| ZWS100 (optional ZWS10G with GPS/4G) | Others | |
|---|---|---|
| IP Grade | IP67 (Temp/Humidity/Pressure); IP68 (Pressure) | IP45 or IP55 |
| Anti Condensation | Standard | Not included |
| Power | DC5-30V, <15mA @DC12V | DC12-24V, >50mA @DC12V |
| Built-in Modules | Optional GPS/4G | Not available |
| Additional Interfaces | RS485 Sensor connection | Not available |
| UV Protection | Resistant 5 years without discoloration | Not specified |
| Rainfall Principle | Piezoelectric (higher accuracy, lower false alarms) | Photoelectric, Radar, Tipping bucket |
| Internal Clock | Calibration time; automatic rainfall zeroing | Not available |
Applications
- Hydrometeorological station
- Meteorological standard station
- Regional automatic weather station
- Research meteorological station
- Urban waterlogging monitoring
- Emergency monitoring
Frequently asked questions
What is the measurement range of the ZWS100?+
The ZWS100 measures rainfall intensity from 0 to 10 mm/min with a resolution of 0.01 mm.
What output interfaces does the ZWS100 support?+
RS485 is the standard output interface. Optional interfaces include RS232, SDI-12, WiFi, Bluetooth, LTE, LoRa and NB-IoT.
Is there a version with built-in GPS or 4G?+
Yes, the ZWS10G variant adds integrated GPS and 4G connectivity.
What is the ZWS100 housing made from?+
The body is outdoor industrial-grade ASA plastic with a 304/stainless steel sensing surface, rated IP66/IP67.
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