SLS3220 battery-powered wireless level transmitter features an ultra-low power design, supports multiple communication protocols, and is easy to install and use. It is widely applicable to automated liquid level measurement and monitoring network systems for fluids such as water and oil.
SLS3220 battery-powered wireless level transmitter features an ultra-low power design, supports multiple communication protocols, and is easy to install and use. It is widely applicable to automated liquid level measurement and monitoring network systems for fluids such as water and oil.
| Measurement range | 0–1 km |
| Overload pressure | 200% FS |
| Process connection | – |
| Combined accuracy | ±0.5%, ±0.2%, ±0.1%, ±0.075% (selectable) |
| Temperature compensation range | -10 to 70°C |
| Long-term stability | ±0.3% FS/year |
| Operating temperature | -40 to 85°C |
| Storage temperature | -40 to 125°C |
| Supply voltage | 3.6 VDC lithium battery, 40,000 mAh |
| Communication method | NB-IoT/LoRa/ZigBee/4G/Bluetooth |
| Communication protocol | CoAP/MQTT/LoRaWAN/CLAA/IEEE 802.15.4/Bluetooth 5.0 |
| Communication interval | 60 seconds (customizable) |
| Ingress protection | IP68 (sensor section), IP67 (housing) |
| Media compatibility | Various fluids non-corrosive to 304 stainless steel |
| Vibration | 10 g RMS (20–2000 Hz) |
| Shock | 100 g, 11 ms |
| Insulation | >100 MΩ @ 250 VDC |
| Response time | <1 ms (@ 90% FS) |
| CE certification | EMC: IEC 61326-1 Class B Electrostatic discharge immunity: IEC 61000-4-2 Electromagnetic field immunity: IEC 61000-4-3 EFT immunity: IEC 61000-4-4 Surge immunity: IEC 61000-4-5 |
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