Submersible water level sensor
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Product code: EM500-SWL-868M PN: L003-4846W
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Milesight EM500-SWL-868M, PN: L003-4846W is a submersible LoRaWAN EU868 water level sensor with a measurement range of 0–3 m H₂O. The hydrostatic vented-gauge probe measures liquid level with an accuracy of ±0,5% FS and a resolution of 0,01 m, making the device suitable for tanks, wells, rivers, canals, and water management systems.
The EM500-SWL features a transmitter enclosure IP67 and a submersible probe IP68. The 19 000 mAh Li-SOCl₂ battery provides up to 10 years of operation under specified test conditions, while memory for 1000 Records, data retransmission, threshold alarms, and NFC configuration support reliable remote water level monitoring.
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Produkty powiązane
EM500-SWL L003 — Remote Water Level Measurement up to 3 Metres
Milesight EM500-SWL-868M L003-4846W is an industrial sensor designed for continuous water level measurement and wireless data transmission via the LoRaWAN EU868 network.
The L003 variant uses a submersible hydrostatic probe with a measurement range of 0–3 m H₂O. The solution can be used in tanks, wells, canals, rivers, and water management installations, among other applications.
Accurate Measurement, LoRaWAN and Long Battery Life
0–3 m Range
The L003 variant is designed to measure a water column up to 3 metres high.
±0,5% FS
The hydrostatic measurement method provides high accuracy and a resolution of 0,01 m.
Up to 10 Years
The 19 000 mAh Li-SOCl₂ battery enables many years of operation without an external power supply.
Automatic Water Level Monitoring
Level Determined from Water Column Pressure
The EM500-SWL probe is submerged directly in the measured water. The height of the liquid column above the probe changes the measured hydrostatic pressure.
The vented gauge design uses atmospheric pressure as a reference, enabling accurate determination of the liquid level.
Measurement Range 0–3 m H₂O
IP68 and 304 Stainless Steel
IP68
The probe is designed to operate when submerged directly in water.
304 Stainless Steel
The measuring section body is made of stainless steel, providing corrosion resistance.
Continuous Measurement
The design enables continuous water level monitoring in outdoor installations.
Length Adapted to the Measurement Range
Milesight specifies the probe cable length as at least 1–1,5 m longer than the nominal measurement range.
For the 3 m range variant, this typically means at least approximately 4–4,5 m of length is required for correct placement of the probe and transmitter.
Wireless Transmission from Distributed Locations
The EM500-SWL transmits liquid level data via the energy-efficient LoRaWAN network.
The 868M variant is designed for operation in the EU868 band and can work with standard LoRaWAN gateways and servers.
1000 Records and Automatic Retransmission
1000 Records
The EM500-SWL can locally store up to 1000 historical records.
Retransmission
Data stored during temporary communication loss can be retransmitted.
Data Retrieval
The history retrieval function provides access to stored measurements.
Automatic Detection of Level Threshold Exceedances
The EM500-SWL supports threshold alarms that can detect excessively high or low water levels.
Threshold exceedance information can be transmitted via LoRaWAN and used by the platform for alarms or automation.
Up to 10 Years of Autonomous Operation
The communication module uses a replaceable ER34615 Li-SOCl₂ battery with a capacity of 19 000 mAh.
For EU868, Milesight specifies a battery life of up to 10 years with a 10-minute reporting interval, a temperature of 25°C, and the manufacturer's test conditions.
* Manufacturer value for EU868, a 10-minute reporting interval, a temperature of 25°C, and laboratory operating conditions.
NFC, USB-C and Remote LoRaWAN Commands
EM500-SWL parameters can be configured using an NFC-enabled smartphone and the Milesight ToolBox app.
Configuration from a computer via the internal USB Type-C port and remote parameter configuration via downlink are also available.
IP67 for the Transmitter and IP68 for the Probe
IP67
The communication module is protected against dust and water.
IP68
The actual measuring probe is designed for immersion in water.
Stainless Steel
The probe body is made of 304 stainless steel.
Probe in Water, Transmitter Above the Liquid Level
The measuring probe is lowered into the monitored water, while the communication module remains mounted above the liquid level.
The transmitter can be mounted on a wall, pole, or DIN rail, allowing the installation to be adapted to the conditions of a specific facility.
Key Parameters of the EM500-SWL-868M L003-4846W
* Manufacturer declaration for EU868, a 10-minute reporting interval, a temperature of 25°C, and laboratory operating conditions.
EM500-SWL in a Level Monitoring System
Water level data can be automatically transmitted from the outdoor location to a central monitoring platform.
The shipping cost applies to this product (in the selected variant - if applicable). It may change after adding other products to the cart.
Submersible water level sensor
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Gross price $270.60incl. %s VATNet price $220.00without 23% VAT
