ThingsLog Non-Revenue Water Data Logger Set
(NRW)
ThingsLog Non-Revenue Water Set (NRW) for pressure and flow monitoring.
Available with 4G/2G, CatM1, NB-IoT or LoRa/LoRaWAN telemetry
ThingsLog Non-Revenue Water Set (NRW) is a product specifically built for leak detection and integration into water distribution networks and DMA zones. It supports Modbus over MQTT or LoRaWAN protocol and comes with built in ultrasonic flow meter and pressure sensor. The logger also has two convenient convenient 16A relays for simultaneous integrated remote valve control.
Could be combined with traditional LPMDL IoT data loggers in case low power monitoring is needed.
Combined with ThingsLog IIoT platform and our Mobile app offers simple but yet powerful solution for leak detection and control.
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Characteristics:
- Telemetry over 4G, 2G or LoRa/LoRaWAN
- As a standard comes RS 485 bus port and two 16A relay ports.
- GPS/GNSS Optional
- Power supply options: low power, 12V or solar
- Over-the-Air reconfiguration
- Firmware update
- Global network support with LoRa/LoRaWAN or built in 1NCE SIM card
- Data presented on ThingsLog platform
- MQTT/TLS support
- Possibility for REST API integration
- Combination with traditional LPMDL IoT data loggers in case low power monitoring is needed.
Key Benefits
of Thingslog Non-Revenue Water Data Logger Set
Advanced leak detection and control
Instant alarms in low-power mode in case of any kind of abnormal conditions. Alarms could be used for automated valve/pump management!.
Certified
CE certified – comply with European Safety, LVD, and EMC directives.
Versatile
Low Power or solar panel powered with multiple configuration options. No need to deal with cables or power supply.
Configurable over the air
Supports remote configuration over the AiR through the ThingsLog platform! No need to go on-site to change something.
Documented
Well-documented product used for leak detection and control.
Global offering
No configuration, no SIM card or local mobile service needed. Easy to use plug and play product.
Modbus
Easy to use Modbus to MQTT api or to LoRaWAN
Upgradable
Stick to your current firmware or upgrade to a newer more capable version.
Open protocol
Easy to use LoRa/LoRaWAN or MQTT protocol .
Аpplications
of ThingsLog Non-Revenue Water Set
Water Distribution Networks
Continuous monitoring of flow and pressure to detect leaks, bursts, or illegal connections in real time.
District Metered Areas (DMA & Virtual DMA)
Create precise DMAs or virtual DMAs to identify and quantify non-revenue water across the network.
Pump Stations & Pressure Management
Track pump performance, optimize pressure zones, and prevent pipeline stress or bursts.
Industrial & Commercial Facilities
Monitor consumption patterns, reduce operational costs, and ensure compliance with water-use regulations.
Municipal & Utility Operations
Support NRW reduction programs, improve billing accuracy, and deliver sustainable water management aligned with global standards.
Remote & Off-Grid Installations
Solar-powered, low-power operation makes the solution ideal for remote locations where reliable data collection is critical.
How ThingsLog Delivers Flexible, Customizable Monitoring Systems
We work “order to configure”, which means that we customize our loggers to your use case.
This makes our delivery time 30 working days for 100+ devices and 10 working days for a sample delivery.
More information on how we deliver and how we price is available here.
The NRW Logger Set — What’s Included
The ThingsLog NRW Data Logger Set is a pre-configured turnkey kit for district metered area (DMA) monitoring. It includes the ThingsLog low-power data logger pre-loaded with NRW monitoring firmware, pressure transducer or transducers, optional flow meter interface cable, magnetic mount antenna for valve chamber installation, and full configuration documentation. The set is engineered for rapid field deployment: a trained technician can install the set at a DMA boundary point and have it transmitting data to the ThingsLog platform within hours of arriving on site, with no specialist IoT configuration required.
How the NRW Set Monitors Water Losses
DMA Inflow Measurement
The data logger reads the pulse output of a flow meter installed at the DMA inlet boundary. Each pulse represents a fixed volume determined by the meter’s pulse value. The ThingsLog platform accumulates inflow over each reporting interval — typically 15 minutes — and calculates hourly and daily inflow totals. Inflow data is the primary input for water balance calculations: total inflow minus authorised consumption equals apparent and real losses for the zone.
Zone Pressure Monitoring
Pressure transducers — up to 4 simultaneously — connect to the analog inputs of the data logger. Pressure is monitored at the zone inlet, critical pressure points, and zone extremities where the lowest pressures occur. Pressure data serves multiple purposes in NRW management: network balance calculations that correlate pressure with leakage; burst detection through sudden pressure drops that indicate pipe failure; and PRV setpoint optimisation — adjusting zone operating pressure to the minimum level that maintains service standards while minimising leakage.
Minimum Night Flow Analysis
The ThingsLog platform automatically extracts minimum night flow (MNF) data from the 2:00-4:00 AM period — when legitimate consumption is at its lowest — and compares it to the expected background leakage level for the zone based on its infrastructure characteristics. Excess MNF above the expected background level indicates active (visible or hidden) leakage and is quantified in cubic metres per hour. The MNF analysis is the most sensitive and widely used method for detecting and quantifying real losses in distribution networks.
Rapid Deployment for Leak Detection Campaigns
Water utilities often conduct periodic leak detection campaigns across their network rather than permanent monitoring of every DMA. The ThingsLog NRW set is specifically designed for temporary deployment: fully battery-powered with no mains connection required; cellular connectivity via 4G or NB-IoT with no local gateway needed; compact and fully weatherproof for installation in underground valve chambers or meter pits with limited space. A typical campaign deploys NRW sets for 2-4 weeks per DMA zone, collecting sufficient data to quantify losses with confidence and prioritise active leak search areas by the magnitude of detected losses. The sets are then recovered and redeployed to the next set of zones.
