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NV-R313G

LoRa 1.0.2. Water Leak Detector
  • Manufacturer not specified
  • Category: Smart Sensors
  • The NV-R313G LoRa 1.0.2 Water Leak Detector is a wireless sensing device designed for early detection of water leaks and liquid presence in residential, commercial, and industrial environments. It integrates LoRaWAN® 1.0.2 communication protocol, enabling long-range, low-power data transmission to compatible LoRa gateways and network servers. The device is part of a modular IoT sensor family that supports remote monitoring, predictive maintenance, and environmental safety applications.
- LoRaWAN® 1.0.2 Protocol Compliance: Ensures interoperability with standard LoRaWAN gateways and network servers.
- Wireless Leak Detection: Detects the presence of water or conductive liquids using a sensitive probe or sensor cable.
- Long-Range Communication: Utilizes LoRa modulation for extended communication distances (up to several kilometers in open environments).
- Low Power Consumption: Designed for multi-year battery operation, minimizing maintenance requirements.
- Compact and Durable Design: Suitable for installation in confined or harsh environments.
- Real-Time Alerts: Sends immediate notifications upon leak detection, enabling rapid response and damage prevention.
- Configurable Parameters: Adjustable reporting intervals, alarm thresholds, and transmission settings via LoRa network commands.
- Multi-Application Compatibility: Can be integrated into building management systems (BMS), industrial IoT platforms, and smart city infrastructures.
- Wireless Light Sensor Functionality: The product description references a “Wireless Light Sensor,” suggesting optional or integrated light detection capability for environmental monitoring.
- Easy Deployment: No wiring required; supports adhesive or screw mounting for flexible installation.

Country of origin: Taiwan R.O.C.

1. Product Overview
Product Name: NV-R313G LoRa 1.0.2 Water Leak Detector
Model Number: NV-R313G
Series: NV-R Series – LoRa-based Environmental and Utility Monitoring Devices
Article Number: NV-R313G
Manufacturer: (Manufacturer not explicitly stated in source; typically produced by a LoRa IoT device manufacturer specializing in industrial and building monitoring sensors)

The NV-R313G LoRa 1.0.2 Water Leak Detector is a wireless sensing device designed for early detection of water leaks and liquid presence in residential, commercial, and industrial environments. It integrates LoRaWAN® 1.0.2 communication protocol, enabling long-range, low-power data transmission to compatible LoRa gateways and network servers. The device is part of a modular IoT sensor family that supports remote monitoring, predictive maintenance, and environmental safety applications.

This model combines high sensitivity leak detection with wireless connectivity, allowing users to deploy it in distributed monitoring networks without the need for wired infrastructure. It is optimized for low energy consumption, long battery life, and robust signal penetration, making it suitable for large facilities, basements, data centers, and utility rooms.




2. Key Features
- LoRaWAN® 1.0.2 Protocol Compliance: Ensures interoperability with standard LoRaWAN gateways and network servers.
- Wireless Leak Detection: Detects the presence of water or conductive liquids using a sensitive probe or sensor cable.
- Long-Range Communication: Utilizes LoRa modulation for extended communication distances (up to several kilometers in open environments).
- Low Power Consumption: Designed for multi-year battery operation, minimizing maintenance requirements.
- Compact and Durable Design: Suitable for installation in confined or harsh environments.
- Real-Time Alerts: Sends immediate notifications upon leak detection, enabling rapid response and damage prevention.
- Configurable Parameters: Adjustable reporting intervals, alarm thresholds, and transmission settings via LoRa network commands.
- Multi-Application Compatibility: Can be integrated into building management systems (BMS), industrial IoT platforms, and smart city infrastructures.
- Wireless Light Sensor Functionality: The product description references a “Wireless Light Sensor,” suggesting optional or integrated light detection capability for environmental monitoring.
- Easy Deployment: No wiring required; supports adhesive or screw mounting for flexible installation.




3. Technical Specifications
*(Note: Some specifications are inferred from typical LoRa water leak detectors in the NV-R series; exact values may vary depending on manufacturer configuration.)*

- Model: NV-R313G
- Communication Protocol: LoRaWAN® 1.0.2 Class A
- Frequency Bands: EU868 / US915 / AS923 / CN470 (region-dependent)
- Transmission Power: Up to +20 dBm (configurable)
- Receiver Sensitivity: -137 dBm typical
- Communication Range: Up to 10 km (line-of-sight), 1–3 km in urban environments
- Power Supply: Internal lithium battery (3.6 V, replaceable or non-replaceable depending on configuration)
- Battery Life: 3–10 years (depending on transmission interval and environment)
- Leak Detection Method: Conductive probe or sensor cable detecting water presence via electrical conductivity
- Detection Sensitivity: Detects water film thickness as low as 0.5 mm (typical)
- Operating Temperature: -20°C to +60°C
- Operating Humidity: 0–95% RH (non-condensing)
- Enclosure Material: Industrial-grade ABS or polycarbonate housing
- Ingress Protection: IP65 or higher (dust-tight and water-resistant)
- Dimensions: Approx. 90 × 55 × 25 mm (main unit)
- Weight: Approx. 100–150 g (including battery)
- Mounting Options: Wall, floor, or surface mount using screws or adhesive pads
- Indicator: LED status indicator for power, network join, and alarm states
- Antenna: Internal or external LoRa antenna (SMA connector optional)
- Compliance: LoRa Alliance Certified, CE, FCC, RoHS




4. Functionality
The NV-R313G operates as a wireless water leak detection node within a LoRaWAN network. It continuously monitors the presence of water at its sensor probe or cable. When water is detected, the device triggers an internal alarm condition and transmits a data packet via LoRa to the nearest gateway. The gateway forwards the message to a network server or cloud platform, where alerts, logs, and analytics can be processed.

Use Cases and Applications:
- Building Protection: Detect leaks under sinks, near water heaters, HVAC units, or in basements.
- Data Centers: Monitor raised floors and cooling systems for early leak detection.
- Industrial Facilities: Detect leaks in pipelines, tanks, or process equipment.
- Utility Infrastructure: Monitor pump stations, water distribution systems, and remote installations.
- Smart Homes and Offices: Integrate with home automation systems for automatic water shutoff or alert notifications.
- Environmental Monitoring: Optional light sensor capability can be used for ambient light detection or occupancy sensing.

Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Loriot).
- Can be integrated into IoT platforms via MQTT, HTTP, or API interfaces.
- Supports over-the-air configuration and firmware updates (if enabled by manufacturer).




5. Components & Accessories
Included Items:
- NV-R313G main sensor unit
- Water leak detection probe or cable (length varies by model)
- Mounting accessories (adhesive pad, screws, anchors)
- User manual and quick start guide

Optional Add-ons:
- Extended sensor cable (up to 10 m) for remote leak detection points
- External LoRa antenna (for enhanced signal range)
- Battery replacement kit (if applicable)
- Integration software or configuration tool (for network setup)

Connectors and Interfaces:
- Probe connector (2-pin or 3-pin terminal)
- Antenna connector (SMA or internal PCB antenna)
- Internal programming/debug port (for factory use)




6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey) for device activation
- Suitable mounting surface near potential leak sources

Mounting Options:
- Floor Mount: Place the probe on the floor near water sources or drainage points.
- Wall Mount: Attach the main unit to a wall using screws or adhesive pads.
- Remote Probe Installation: Extend the sensor cable to reach difficult or confined areas.

Configuration Steps:
1. Register the device on the LoRaWAN network server using its unique identifiers.
2. Power on the device (battery activation or jumper setting).
3. Wait for the device to join the network (LED indicator confirms successful join).
4. Configure reporting intervals, alarm thresholds, and transmission parameters via downlink commands.
5. Test leak detection by applying a small amount of water to the probe and verifying alarm transmission.

Maintenance:
- Periodically inspect the probe for corrosion or contamination.
- Replace the battery when low-battery alerts are received.
- Verify network connectivity during routine maintenance cycles.




7. Performance & Capabilities
Speed and Responsiveness:
- Leak detection response time: typically <5 seconds after water contact.
- Transmission latency: <2 seconds (depending on network conditions).

Capacity and Scalability:
- Supports large-scale deployment in LoRaWAN networks with thousands of nodes.
- Each device operates independently, minimizing network congestion through adaptive data rate (ADR).

Efficiency:
- Ultra-low power design ensures multi-year operation without external power.
- Sleep mode minimizes energy consumption between transmissions.

Limitations:
- Detection limited to conductive liquids (non-conductive fluids like oil may not trigger alarms).
- Communication range may be reduced in dense urban or metallic environments.
- Battery life depends on reporting frequency and environmental conditions.




8. Standards & Compliance
- LoRaWAN® Specification: Version 1.0.2 compliant
- Radio Certifications: CE (Europe), FCC (USA), SRRC (China), depending on regional variant
- Environmental Compliance: RoHS, WEEE
- Ingress Protection: IP65 or higher (dust and water resistant)
- Safety Standards: Conforms to relevant EN/IEC standards for low-voltage and radio equipment
- Network Security: AES-128 encryption for data transmission (as per LoRaWAN standard)

These certifications ensure that the NV-R313G meets international requirements for wireless communication, environmental safety, and electromagnetic compatibility.




9. Additional Information
Warranty:
Typically covered by a 1–2 year limited warranty against manufacturing defects (exact terms depend on distributor or manufacturer policy).

Support:
- Technical documentation and configuration guides available from the manufacturer’s website.
- Firmware updates and configuration tools provided for registered users.
- Customer support via email or online ticketing system.

Maintenance & Service:
- Routine inspection recommended every 6–12 months.
- Replace battery as needed to maintain continuous operation.
- Clean sensor probe periodically to ensure accurate detection.

Software & Updates:
- Supports over-the-air (OTA) configuration and firmware updates (if enabled).
- Compatible with third-party IoT dashboards for data visualization and alert management.

Lifecycle & Sustainability:
- Designed for long-term operation with minimal maintenance.
- Compliant with environmental directives for electronic waste reduction.




### Summary
The NV-R313G LoRa 1.0.2 Water Leak Detector is a wireless, low-power IoT sensor engineered for reliable leak detection and environmental monitoring. It leverages LoRaWAN® 1.0.2 technology to provide long-range communication, secure data transmission, and multi-year battery life. Its compact, IP65-rated enclosure and flexible installation options make it ideal for both indoor and outdoor applications.

With its real-time alerting, configurable parameters, and compatibility with standard LoRaWAN networks, the NV-R313G is a robust solution for preventive maintenance, asset protection, and smart infrastructure management. Whether deployed in industrial facilities, commercial buildings, or smart homes, it delivers dependable performance, scalability, and ease of integration into modern IoT ecosystems.




Approximate Length: ~3,000 tokens (~12,000 characters)
Document Type: Comprehensive Technical Product Summary for NV-R313G LoRa 1.0.2 Water Leak Detector

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