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- LoRaWAN® 1.0.2 Protocol Compliance: Fully compliant with LoRaWAN Class A device specifications, ensuring interoperability with standard LoRaWAN networks.
- Dual Leak Detection Channels: Two independent sensing inputs (2-gang) for monitoring multiple locations or extended coverage areas.
- Rope-Type Water Leak Sensor: Detects water presence along the entire length of the rope sensor, providing distributed sensing rather than point detection.
- Wireless Long-Range Communication: Utilizes LoRa modulation for extended communication range (up to several kilometers in open environments).
- Low Power Consumption: Designed for multi-year battery operation, ideal for remote or hard-to-access installations.
- High Sensitivity and Fast Response: Immediate detection of water contact along the rope sensor, enabling early warning and rapid response.
- Configurable Reporting: Supports periodic data transmission and event-based reporting (e.g., leak detected, leak cleared).
- Compact and Durable Design: Enclosed in a robust housing suitable for indoor or sheltered industrial environments.
- Easy Integration: Compatible with standard LoRaWAN network servers and IoT platforms for data visualization, alerting, and analytics.
- Optional External Sensors: Supports connection of additional rope sensors or probes for extended coverage.
- Dual Leak Detection Channels: Two independent sensing inputs (2-gang) for monitoring multiple locations or extended coverage areas.
- Rope-Type Water Leak Sensor: Detects water presence along the entire length of the rope sensor, providing distributed sensing rather than point detection.
- Wireless Long-Range Communication: Utilizes LoRa modulation for extended communication range (up to several kilometers in open environments).
- Low Power Consumption: Designed for multi-year battery operation, ideal for remote or hard-to-access installations.
- High Sensitivity and Fast Response: Immediate detection of water contact along the rope sensor, enabling early warning and rapid response.
- Configurable Reporting: Supports periodic data transmission and event-based reporting (e.g., leak detected, leak cleared).
- Compact and Durable Design: Enclosed in a robust housing suitable for indoor or sheltered industrial environments.
- Easy Integration: Compatible with standard LoRaWAN network servers and IoT platforms for data visualization, alerting, and analytics.
- Optional External Sensors: Supports connection of additional rope sensors or probes for extended coverage.
1. Product Overview
Product Name: NV-R313WA
Model Number: NV-R313WA
Series: NV-R Series – LoRa Wireless Environmental and Utility Sensors
Article Number: NV-R313WA
Manufacturer: Netvox Technology Co., Ltd.
The NV-R313WA is a LoRaWAN®-based 2-Gang Water Leak Detector designed for real-time detection of water leakage using a rope-type sensing cable. It is part of Netvox’s industrial-grade IoT sensor portfolio, engineered for remote monitoring applications in smart buildings, data centers, industrial facilities, and infrastructure management systems. The device supports LoRaWAN® 1.0.2 protocol, ensuring long-range, low-power wireless communication compatible with standard LoRaWAN gateways and network servers.
This model integrates dual-channel (2-gang) leak detection capability, allowing simultaneous monitoring of two independent zones or areas. It is optimized for low power consumption, long battery life, and high reliability in harsh or unattended environments. The NV-R313WA is suitable for integration into IoT platforms for predictive maintenance, facility management, and environmental monitoring.
2. Key Features
- LoRaWAN® 1.0.2 Protocol Compliance: Fully compliant with LoRaWAN Class A device specifications, ensuring interoperability with standard LoRaWAN networks.
- Dual Leak Detection Channels: Two independent sensing inputs (2-gang) for monitoring multiple locations or extended coverage areas.
- Rope-Type Water Leak Sensor: Detects water presence along the entire length of the rope sensor, providing distributed sensing rather than point detection.
- Wireless Long-Range Communication: Utilizes LoRa modulation for extended communication range (up to several kilometers in open environments).
- Low Power Consumption: Designed for multi-year battery operation, ideal for remote or hard-to-access installations.
- High Sensitivity and Fast Response: Immediate detection of water contact along the rope sensor, enabling early warning and rapid response.
- Configurable Reporting: Supports periodic data transmission and event-based reporting (e.g., leak detected, leak cleared).
- Compact and Durable Design: Enclosed in a robust housing suitable for indoor or sheltered industrial environments.
- Easy Integration: Compatible with standard LoRaWAN network servers and IoT platforms for data visualization, alerting, and analytics.
- Optional External Sensors: Supports connection of additional rope sensors or probes for extended coverage.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | NV-R313WA |
| Communication Protocol | LoRaWAN® 1.0.2, Class A |
| Frequency Bands | EU868 / US915 / AU915 / AS923 / KR920 / IN865 (region-dependent) |
| Wireless Range | Up to 10 km (line-of-sight), typically 1–3 km in urban environments |
| Detection Type | Rope-type water leak detection |
| Number of Channels | 2 (2-gang) independent detection inputs |
| Sensor Cable Length | Typically 3–5 m per channel (extendable depending on configuration) |
| Power Supply | 3.6V ER14505 AA lithium battery (replaceable) |
| Battery Life | Up to 5 years (depending on reporting interval and environment) |
| Operating Voltage | 2.4V – 3.6V DC |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Enclosure Material | ABS plastic housing |
| Dimensions (Main Unit) | Approx. 88 mm × 87 mm × 25 mm |
| Weight | Approx. 120 g (including battery) |
| Mounting Options | Wall-mounted or surface-mounted |
| Ingress Protection | IP30 (main unit), rope sensor IP65 (water-resistant) |
| Indicator | LED status indicator for network and sensor state |
| Antenna Type | Internal LoRa antenna |
| Interface | 2 x rope sensor connectors |
| Compliance | CE, FCC, RoHS |
4. Functionality
The NV-R313WA operates as a wireless water leak detection node within a LoRaWAN network. Each of its two channels connects to a rope-type leak sensor, which detects the presence of water along its entire length. When water contacts the rope, the sensor’s electrical resistance changes, triggering a detection event.
Upon detection, the device transmits a LoRa uplink message to the network server, which can then forward alerts to a cloud platform, building management system (BMS), or maintenance dashboard. The device can also send periodic status updates (heartbeat messages) to confirm operational health and battery status.
Use Cases and Applications:
- Data Centers: Early detection of water leaks under raised floors or near cooling systems.
- Commercial Buildings: Monitoring of restrooms, kitchens, HVAC condensate pans, and mechanical rooms.
- Industrial Facilities: Leak detection around pipelines, tanks, or process equipment.
- Utility Infrastructure: Monitoring of pump stations, valve chambers, or underground vaults.
- Residential and Smart Homes: Integration into home automation systems for flood prevention.
Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Actility, Loriot).
- Integrates with IoT platforms via MQTT, HTTP, or API interfaces for visualization and alerting.
- Supports over-the-air configuration and firmware updates (depending on network capabilities).
5. Components & Accessories
Included Items:
- NV-R313WA main unit (LoRa transmitter and controller)
- Two rope-type water leak sensors (standard length)
- Pre-installed ER14505 3.6V lithium battery
- Mounting screws and adhesive pads
- Quick installation guide
Optional Accessories:
- Extended rope sensors (custom lengths up to 10 m per channel)
- Replacement battery kits
- External antenna (optional model variant)
- Waterproof junction box for outdoor or high-humidity installations
- Integration cables for third-party monitoring systems
Connectors:
- Two dedicated sensor ports (RJ11 or proprietary connectors depending on version)
- Battery compartment with secure latch
- Internal antenna connection (non-user serviceable)
6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey)
- Mounting surface (wall, panel, or enclosure)
- Dry, indoor environment for main unit installation
Mounting Options:
- Wall-mount using screws or adhesive pads
- Place rope sensors along floor edges, under equipment, or around potential leak sources
- Ensure rope sensors are laid flat and secured to prevent displacement
Configuration Steps:
1. Insert or verify the pre-installed battery.
2. Register the device on the LoRaWAN network using its unique DevEUI.
3. Configure reporting intervals and alarm thresholds via downlink commands.
4. Place and secure the rope sensors in the desired monitoring areas.
5. Verify connectivity and sensor operation using LED indicators or network dashboard.
LED Indicators:
- Green Blink: Device joined and operating normally
- Red Blink: Leak detected or fault condition
- Amber Blink: Joining or configuration mode
7. Performance & Capabilities
- Detection Sensitivity: Detects water presence within seconds of contact along any point of the rope sensor.
- Coverage Area: Each rope sensor can cover several meters of floor space; two channels allow flexible deployment.
- Transmission Range: Up to 10 km line-of-sight; typical indoor range 1–3 km depending on building structure.
- Data Transmission: Periodic status messages and event-based alerts; configurable intervals (e.g., every 10 minutes to 24 hours).
- Battery Life: Up to 5 years under typical conditions (1 uplink per hour, few events per year).
- Power Efficiency: Ultra-low-power microcontroller and LoRa transceiver minimize energy consumption.
- Response Time: <5 seconds from leak detection to LoRa uplink transmission.
- Limitations:
- Not suitable for full submersion or outdoor exposure without additional protection.
- Rope sensors must be kept clean and free of debris for accurate detection.
- Communication range may vary with environmental interference and building materials.
8. Standards & Compliance
- LoRaWAN® Specification: Version 1.0.2, Class A device
- Radio Compliance:
- CE (Europe) – EN 300 220, EN 301 489
- FCC Part 15 (US)
- SRRC (China)
- RCM (Australia)
- Environmental Compliance: RoHS Directive 2011/65/EU
- Safety Standards: EN 60950-1 / IEC 62368-1 (depending on region)
- Quality Management: Manufactured under ISO 9001-certified processes
- Network Interoperability: Tested with major LoRaWAN network servers and gateways
9. Additional Information
Warranty:
- Standard 1-year limited warranty covering manufacturing defects and hardware failures under normal use.
- Extended warranty options available through authorized distributors.
Support:
- Technical documentation, user manuals, and configuration guides available from Netvox’s official website.
- Firmware updates and configuration tools provided via network or USB (depending on version).
- Customer support available via email and online ticketing system.
Maintenance:
- Periodic inspection of rope sensors for cleanliness and integrity.
- Battery replacement recommended every 3–5 years or when low-battery alerts occur.
- Verify network connectivity periodically to ensure reliable communication.
Firmware & Updates:
- Supports over-the-air (OTA) firmware updates when enabled by the network server.
- Configurable parameters include reporting interval, alarm delay, and transmission power.
Environmental Considerations:
- Designed for indoor or sheltered environments.
- Avoid direct exposure to water on the main unit; only the rope sensor is water-resistant.
- Dispose of used batteries according to local environmental regulations.
Integration & Data Management:
- Compatible with third-party IoT dashboards and cloud platforms (AWS IoT, Azure IoT Hub, etc.).
- Data can be visualized for trend analysis, predictive maintenance, and alarm management.
- Supports integration with building management systems (BMS) and SCADA platforms via API or MQTT bridge.
Summary
The Netvox NV-R313WA LoRa 1.0.2 2-Gang Water Leak Detector with Rope Sensor is a robust, industrial-grade IoT sensor designed for early detection of water leaks in mission-critical environments. Its dual-channel architecture, long-range LoRaWAN communication, and low-power operation make it ideal for distributed monitoring applications where reliability and longevity are essential.
By combining distributed rope sensing technology with LoRaWAN connectivity, the NV-R313WA enables facility managers and system integrators to implement proactive leak detection systems that minimize downtime, prevent property damage, and support predictive maintenance strategies.
With its modular design, broad compatibility, and compliance with international standards, the NV-R313WA represents a versatile and dependable solution for smart building and industrial IoT deployments.
Product Name: NV-R313WA
Model Number: NV-R313WA
Series: NV-R Series – LoRa Wireless Environmental and Utility Sensors
Article Number: NV-R313WA
Manufacturer: Netvox Technology Co., Ltd.
The NV-R313WA is a LoRaWAN®-based 2-Gang Water Leak Detector designed for real-time detection of water leakage using a rope-type sensing cable. It is part of Netvox’s industrial-grade IoT sensor portfolio, engineered for remote monitoring applications in smart buildings, data centers, industrial facilities, and infrastructure management systems. The device supports LoRaWAN® 1.0.2 protocol, ensuring long-range, low-power wireless communication compatible with standard LoRaWAN gateways and network servers.
This model integrates dual-channel (2-gang) leak detection capability, allowing simultaneous monitoring of two independent zones or areas. It is optimized for low power consumption, long battery life, and high reliability in harsh or unattended environments. The NV-R313WA is suitable for integration into IoT platforms for predictive maintenance, facility management, and environmental monitoring.
2. Key Features
- LoRaWAN® 1.0.2 Protocol Compliance: Fully compliant with LoRaWAN Class A device specifications, ensuring interoperability with standard LoRaWAN networks.
- Dual Leak Detection Channels: Two independent sensing inputs (2-gang) for monitoring multiple locations or extended coverage areas.
- Rope-Type Water Leak Sensor: Detects water presence along the entire length of the rope sensor, providing distributed sensing rather than point detection.
- Wireless Long-Range Communication: Utilizes LoRa modulation for extended communication range (up to several kilometers in open environments).
- Low Power Consumption: Designed for multi-year battery operation, ideal for remote or hard-to-access installations.
- High Sensitivity and Fast Response: Immediate detection of water contact along the rope sensor, enabling early warning and rapid response.
- Configurable Reporting: Supports periodic data transmission and event-based reporting (e.g., leak detected, leak cleared).
- Compact and Durable Design: Enclosed in a robust housing suitable for indoor or sheltered industrial environments.
- Easy Integration: Compatible with standard LoRaWAN network servers and IoT platforms for data visualization, alerting, and analytics.
- Optional External Sensors: Supports connection of additional rope sensors or probes for extended coverage.
3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | NV-R313WA |
| Communication Protocol | LoRaWAN® 1.0.2, Class A |
| Frequency Bands | EU868 / US915 / AU915 / AS923 / KR920 / IN865 (region-dependent) |
| Wireless Range | Up to 10 km (line-of-sight), typically 1–3 km in urban environments |
| Detection Type | Rope-type water leak detection |
| Number of Channels | 2 (2-gang) independent detection inputs |
| Sensor Cable Length | Typically 3–5 m per channel (extendable depending on configuration) |
| Power Supply | 3.6V ER14505 AA lithium battery (replaceable) |
| Battery Life | Up to 5 years (depending on reporting interval and environment) |
| Operating Voltage | 2.4V – 3.6V DC |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Enclosure Material | ABS plastic housing |
| Dimensions (Main Unit) | Approx. 88 mm × 87 mm × 25 mm |
| Weight | Approx. 120 g (including battery) |
| Mounting Options | Wall-mounted or surface-mounted |
| Ingress Protection | IP30 (main unit), rope sensor IP65 (water-resistant) |
| Indicator | LED status indicator for network and sensor state |
| Antenna Type | Internal LoRa antenna |
| Interface | 2 x rope sensor connectors |
| Compliance | CE, FCC, RoHS |
4. Functionality
The NV-R313WA operates as a wireless water leak detection node within a LoRaWAN network. Each of its two channels connects to a rope-type leak sensor, which detects the presence of water along its entire length. When water contacts the rope, the sensor’s electrical resistance changes, triggering a detection event.
Upon detection, the device transmits a LoRa uplink message to the network server, which can then forward alerts to a cloud platform, building management system (BMS), or maintenance dashboard. The device can also send periodic status updates (heartbeat messages) to confirm operational health and battery status.
Use Cases and Applications:
- Data Centers: Early detection of water leaks under raised floors or near cooling systems.
- Commercial Buildings: Monitoring of restrooms, kitchens, HVAC condensate pans, and mechanical rooms.
- Industrial Facilities: Leak detection around pipelines, tanks, or process equipment.
- Utility Infrastructure: Monitoring of pump stations, valve chambers, or underground vaults.
- Residential and Smart Homes: Integration into home automation systems for flood prevention.
Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Actility, Loriot).
- Integrates with IoT platforms via MQTT, HTTP, or API interfaces for visualization and alerting.
- Supports over-the-air configuration and firmware updates (depending on network capabilities).
5. Components & Accessories
Included Items:
- NV-R313WA main unit (LoRa transmitter and controller)
- Two rope-type water leak sensors (standard length)
- Pre-installed ER14505 3.6V lithium battery
- Mounting screws and adhesive pads
- Quick installation guide
Optional Accessories:
- Extended rope sensors (custom lengths up to 10 m per channel)
- Replacement battery kits
- External antenna (optional model variant)
- Waterproof junction box for outdoor or high-humidity installations
- Integration cables for third-party monitoring systems
Connectors:
- Two dedicated sensor ports (RJ11 or proprietary connectors depending on version)
- Battery compartment with secure latch
- Internal antenna connection (non-user serviceable)
6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey)
- Mounting surface (wall, panel, or enclosure)
- Dry, indoor environment for main unit installation
Mounting Options:
- Wall-mount using screws or adhesive pads
- Place rope sensors along floor edges, under equipment, or around potential leak sources
- Ensure rope sensors are laid flat and secured to prevent displacement
Configuration Steps:
1. Insert or verify the pre-installed battery.
2. Register the device on the LoRaWAN network using its unique DevEUI.
3. Configure reporting intervals and alarm thresholds via downlink commands.
4. Place and secure the rope sensors in the desired monitoring areas.
5. Verify connectivity and sensor operation using LED indicators or network dashboard.
LED Indicators:
- Green Blink: Device joined and operating normally
- Red Blink: Leak detected or fault condition
- Amber Blink: Joining or configuration mode
7. Performance & Capabilities
- Detection Sensitivity: Detects water presence within seconds of contact along any point of the rope sensor.
- Coverage Area: Each rope sensor can cover several meters of floor space; two channels allow flexible deployment.
- Transmission Range: Up to 10 km line-of-sight; typical indoor range 1–3 km depending on building structure.
- Data Transmission: Periodic status messages and event-based alerts; configurable intervals (e.g., every 10 minutes to 24 hours).
- Battery Life: Up to 5 years under typical conditions (1 uplink per hour, few events per year).
- Power Efficiency: Ultra-low-power microcontroller and LoRa transceiver minimize energy consumption.
- Response Time: <5 seconds from leak detection to LoRa uplink transmission.
- Limitations:
- Not suitable for full submersion or outdoor exposure without additional protection.
- Rope sensors must be kept clean and free of debris for accurate detection.
- Communication range may vary with environmental interference and building materials.
8. Standards & Compliance
- LoRaWAN® Specification: Version 1.0.2, Class A device
- Radio Compliance:
- CE (Europe) – EN 300 220, EN 301 489
- FCC Part 15 (US)
- SRRC (China)
- RCM (Australia)
- Environmental Compliance: RoHS Directive 2011/65/EU
- Safety Standards: EN 60950-1 / IEC 62368-1 (depending on region)
- Quality Management: Manufactured under ISO 9001-certified processes
- Network Interoperability: Tested with major LoRaWAN network servers and gateways
9. Additional Information
Warranty:
- Standard 1-year limited warranty covering manufacturing defects and hardware failures under normal use.
- Extended warranty options available through authorized distributors.
Support:
- Technical documentation, user manuals, and configuration guides available from Netvox’s official website.
- Firmware updates and configuration tools provided via network or USB (depending on version).
- Customer support available via email and online ticketing system.
Maintenance:
- Periodic inspection of rope sensors for cleanliness and integrity.
- Battery replacement recommended every 3–5 years or when low-battery alerts occur.
- Verify network connectivity periodically to ensure reliable communication.
Firmware & Updates:
- Supports over-the-air (OTA) firmware updates when enabled by the network server.
- Configurable parameters include reporting interval, alarm delay, and transmission power.
Environmental Considerations:
- Designed for indoor or sheltered environments.
- Avoid direct exposure to water on the main unit; only the rope sensor is water-resistant.
- Dispose of used batteries according to local environmental regulations.
Integration & Data Management:
- Compatible with third-party IoT dashboards and cloud platforms (AWS IoT, Azure IoT Hub, etc.).
- Data can be visualized for trend analysis, predictive maintenance, and alarm management.
- Supports integration with building management systems (BMS) and SCADA platforms via API or MQTT bridge.
Summary
The Netvox NV-R313WA LoRa 1.0.2 2-Gang Water Leak Detector with Rope Sensor is a robust, industrial-grade IoT sensor designed for early detection of water leaks in mission-critical environments. Its dual-channel architecture, long-range LoRaWAN communication, and low-power operation make it ideal for distributed monitoring applications where reliability and longevity are essential.
By combining distributed rope sensing technology with LoRaWAN connectivity, the NV-R313WA enables facility managers and system integrators to implement proactive leak detection systems that minimize downtime, prevent property damage, and support predictive maintenance strategies.
With its modular design, broad compatibility, and compliance with international standards, the NV-R313WA represents a versatile and dependable solution for smart building and industrial IoT deployments.
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