Milesight Submersible Water Level Sensor EM500-SWL
EM500-SWL is designed for measuring liquid levels in harsh environments and transmitting data using LoRaWAN® technology. With this low power consumption technology, EM500-SWL can work up to 10 years with a 19000 mAh battery. Combining with Milesight LoRaWAN gateway and Milesight IoT Cloud solution, users can manage all sensor data remotely and visually.
EM500-SWL is widely used for applications like tank level monitoring, river level monitoring, etc.
Features
- Stainless probe with corrosion resistance
- Ultra-wide-distance transmission up to line of sight of 10km
- IP67 waterproof enclosure for harsh environment applications
- Built-in 19000 mAh replaceable battery and work for 10 years without replacement
- Equipped with NFC for easy configuration
- Compliant with standard LoRaWAN gateways and network servers
- Quick and easy management with Milesight IoT Cloud solution
Applications
- Water tank level monitoring
- Water resource level monitoring
- ISO tank level monitoring
- Waste water tank monitoring
- Oil store tank level monitoring
Specifications
|
Wireless Transmission |
|
|
Technology |
LoRaWAN |
|
Frequency |
CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 |
|
Tx Power |
16dBm(868)/20dBm(915)/19dBm(470) |
|
Sensitivity |
-137dBm @300bps |
|
Mode |
OTAA/ABP Class A |
|
Measurement |
|
|
Pressure Type |
Gauge Pressure |
|
Range |
0 ~ 3m/5m/10m (H2O) (Customizable up to 200 m and for other liquids) |
|
Accuracy |
± 0.5% FS |
|
Resolution |
0.01 m |
|
Long-term Stability |
≤ ± 0.3% FS/year |
|
Operation |
|
|
Power On & Off |
NFC, Power Button (Internal) |
|
Configuration |
Mobile App(via NFC) or PC software(via USB Type-C) |
|
Physical Characteristics |
|
|
Cable Length |
At least 1-1.5m longer than measuring range |
|
Power Supply |
19000 mAh Li-SOCL2 battery (ER34615) |
|
Battery Life* |
10 years (10 min interval) |
|
Operating Temperature |
-30°C to +70°C (Transceiver)/-10°C to +70°C (Level Sensor) |
|
Relative Humidity |
0% to 100% (non-condensing) |
|
Ingress Protection |
IP67 (Transceiver)/IP68(Level Sensor) |
|
Dimension |
Transceiver: 105.4 × 71 × 69.5 mm (4.1 × 2.8 × 2.7 in) Level Sensor: 140 × ф28 mm (5.5 × ф1.1 in) |
|
Installation |
Pole, wall or DIN Rail Mounting |
|
Approvals |
|
|
Regulatory |
CE, FCC, RoHS |
