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Smart Level Monitoring device, SLM

SLM is an industrial IoT device with a hydrostatic level sensor. It is specifically designed to measure the water level in wells, pools and reservoirs, and its IP68-rated housing allows it to be used in extreme conditions. The SLM offers accurate and cost effective water level measurement even in places where there is no power supply or where traditional GSM-based technology does not work. It runs on an internal battery and sends data to a dedicated server via LoRaWAN or NB-IoT radio communication. Its built-in antenna can be extended with a cable if necessary, providing a stable connection even in hard-to-reach places.

Key features

- High measurement accuracy, long-term stability, without pressure hysteresis

- Built-in overvoltage and polarity protection

- IP68 protection for maximum resistance to water and dust

- Stainless steel housing, compact and robust design

- Measuring range up to 10m

Areas of use

  • Well
  • Pools
  • Reservoirs
Smart Level Monitoring device, SLM

Technical specifications

Communication

Transmission optionsNb-IoT/LoRaWAN
AntennaExternal
Transmission frequencyTypical 1 hour
SIM type (Nb-IoT)eSIM

Level Transmitter

Level sensors1
Level range0-10m
Cable length0-10m
Accuracy±0,25% FS
Overpressure4 bar
ProtectionIP68

Battery

Internal battery3,6V
Battery chemistryLithium Thionyl Chloride (non rechargeable)

Environmental

Operating temperature-20 – 70 °C
Ingress protectionIP68

Physical

Dimensions110x84x55 mm
Weight480 g

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