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HAWLE IoT Smart Hydrant, SHM

The HAWLE IoT Smart Hydrant enables real-time monitoring of pressure and usage within the drinking water network. It sends instant alerts about hydrant activity such as opening, closing, or unusual pressure changes and provides precise consumption data remotely.

Designed for urban and rural environments alike, the device operates without manual intervention, even in areas with limited infrastructure. Its LoRaWAN or NB-IoT wireless connectivity ensures seamless integration into existing network management systems, accessible via desktop or mobile.

Key Benefits

  • Pressure and consumption monitoring. Real-time pressure data and event tracking helps identify unauthorized use, leaks, or pipe bursts early.
  • Automated alerts and analytics. Pressure drops, abnormal usage, or system faults trigger instant notifications and trend-based reports.
  • Supports network pressure optimization, leak detection, and zone-based (DMA) analysis to improve operational efficiency and reduce water loss.
  • Improved operational transparency. Provides detailed, actionable data for better planning, faster response times, and informed decision-making.
  • Fields of Application
  • Drinking water network pressure optimization.
  • District metered areas (DMA) and smart network development.
  • Water loss and non-revenue water analysis.
  • Logging of authorized and unauthorized water withdrawal.
  • Fire hydrant status and condition monitoring.
  • Leak detection and pipe burst localization.
  • Hydraulic modeling and water balance reporting.
HAWLE IoT Smart Hydrant, SHM

Technical specifications

Communication

Transmission optionsNb-IoT/LoRaWAN
AntennaInternal, in the housing
Transmission frequency1 hour
SIM typeeSIM
NFC communication13.56Mhz

Sensors

Water sensorDual water level sensors for sensing hydrant state (botom, top)
Pressure sensors1
Pressure range0-20bar
Accuracy±1%
ProtectionIP69K

Battery

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

Environmental

Operating temperature-20 – 85 °C
Ingress protectionIP67 at the top, IP 69K on the sensors

Physical

Dimensions280×163 mm
Weight60 kg
ConnectionDN80/DN100
Installation length1000/1250/1500 mm

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