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- LoRaWAN® 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN gateways and network servers supporting version 1.0.2, ensuring interoperability and secure data transmission.
- Dual Functionality: Combines thermocouple temperature sensing (J/K/T/E types) with water leak detection, enabling multi-parameter environmental monitoring in a single device.
- Long-Range Wireless Communication: Utilizes LoRa modulation for extended communication distances (up to 10 km line-of-sight, depending on environment and gateway configuration).
- Ultra-Low Power Consumption: Designed for battery operation with multi-year lifespan under typical reporting intervals.
- High Accuracy Temperature Measurement: Supports multiple thermocouple types for flexible temperature range and precision requirements.
- Leak Detection Capability: Detects the presence of water or conductive liquids at the sensor probe, triggering immediate alerts.
- Industrial-Grade Design: Rugged enclosure suitable for harsh environments, with protection against dust and moisture.
- Configurable Reporting: Adjustable data transmission intervals, thresholds, and alarm conditions via downlink commands.
- OTA (Over-the-Air) Configuration: Supports remote configuration and firmware updates through LoRaWAN network.
- Compact and Easy to Deploy: Lightweight, small form factor for flexible installation in confined or distributed locations.
- Dual Functionality: Combines thermocouple temperature sensing (J/K/T/E types) with water leak detection, enabling multi-parameter environmental monitoring in a single device.
- Long-Range Wireless Communication: Utilizes LoRa modulation for extended communication distances (up to 10 km line-of-sight, depending on environment and gateway configuration).
- Ultra-Low Power Consumption: Designed for battery operation with multi-year lifespan under typical reporting intervals.
- High Accuracy Temperature Measurement: Supports multiple thermocouple types for flexible temperature range and precision requirements.
- Leak Detection Capability: Detects the presence of water or conductive liquids at the sensor probe, triggering immediate alerts.
- Industrial-Grade Design: Rugged enclosure suitable for harsh environments, with protection against dust and moisture.
- Configurable Reporting: Adjustable data transmission intervals, thresholds, and alarm conditions via downlink commands.
- OTA (Over-the-Air) Configuration: Supports remote configuration and firmware updates through LoRaWAN network.
- Compact and Easy to Deploy: Lightweight, small form factor for flexible installation in confined or distributed locations.
Below is a comprehensive, detailed product summary for the NV-R311W LoRa 1.0.2 Thermocouple J/K/T/E Type Wireless Water Leak Detector, structured according to your requested format and optimized for technical completeness and semantic search.
## 1. Product Overview
Product Name: NV-R311W LoRa 1.0.2 Thermocouple J/K/T/E Type Wireless Water Leak Detector
Model Number: NV-R311W
Series: NV-R300 Series (LoRa-based Industrial Sensor Nodes)
Article Number: NV-R311W
Manufacturer: Netvox Technology Co., Ltd.
The NV-R311W is a LoRaWAN®-based wireless sensor node designed for temperature measurement using thermocouple probes (types J, K, T, and E) and water leak detection in industrial, commercial, and infrastructure monitoring applications. It integrates LoRa 1.0.2 protocol compliance, enabling long-range, low-power wireless communication for IoT networks. The device is part of Netvox’s industrial-grade LoRa sensor family, engineered for reliable environmental and process monitoring in distributed systems.
## 2. Key Features
- LoRaWAN® 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN gateways and network servers supporting version 1.0.2, ensuring interoperability and secure data transmission.
- Dual Functionality: Combines thermocouple temperature sensing (J/K/T/E types) with water leak detection, enabling multi-parameter environmental monitoring in a single device.
- Long-Range Wireless Communication: Utilizes LoRa modulation for extended communication distances (up to 10 km line-of-sight, depending on environment and gateway configuration).
- Ultra-Low Power Consumption: Designed for battery operation with multi-year lifespan under typical reporting intervals.
- High Accuracy Temperature Measurement: Supports multiple thermocouple types for flexible temperature range and precision requirements.
- Leak Detection Capability: Detects the presence of water or conductive liquids at the sensor probe, triggering immediate alerts.
- Industrial-Grade Design: Rugged enclosure suitable for harsh environments, with protection against dust and moisture.
- Configurable Reporting: Adjustable data transmission intervals, thresholds, and alarm conditions via downlink commands.
- OTA (Over-the-Air) Configuration: Supports remote configuration and firmware updates through LoRaWAN network.
- Compact and Easy to Deploy: Lightweight, small form factor for flexible installation in confined or distributed locations.
## 3. Technical Specifications
Communication Protocol: LoRaWAN® 1.0.2
Frequency Bands: EU868 / US915 / AS923 / AU915 / KR920 / IN865 (region-dependent)
Modulation: LoRa (Spread Spectrum, Chirp Modulation)
Transmission Power: Up to +20 dBm (region-specific)
Receiver Sensitivity: Down to -137 dBm (typical)
Antenna Type: Integrated or external LoRa antenna (model-dependent)
Temperature Measurement:
- Supported Thermocouple Types: J, K, T, E
- Measurement Range:
- Type J: -210°C to +1200°C
- Type K: -200°C to +1372°C
- Type T: -200°C to +400°C
- Type E: -200°C to +1000°C
- Accuracy: ±1°C or ±0.5% of reading (typical, depending on thermocouple type and calibration)
- Resolution: 0.1°C
Water Leak Detection:
- Detection Method: Conductivity-based sensing (detects presence of water or conductive liquid)
- Response Time: < 2 seconds upon contact
- Leak Sensor Type: Cable or probe type (depending on configuration)
- Leak Detection Area: Configurable based on cable length
Power Supply:
- Battery Type: 3.6V Li-SOCl₂ battery (replaceable)
- Battery Life: Up to 5 years (typical, depending on reporting interval and network conditions)
- Power Consumption:
- Sleep Mode: < 10 µA
- Transmission: < 120 mA (peak)
Physical Characteristics:
- Dimensions: Approx. 88 mm × 87 mm × 25 mm (main unit)
- Weight: Approx. 150 g (including battery)
- Enclosure Material: Industrial-grade ABS or polycarbonate
- Ingress Protection: IP65 (dust-tight and water-resistant)
- Mounting Options: Wall-mount, DIN rail, or adhesive mounting
Environmental Conditions:
- Operating Temperature: -20°C to +55°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 0–95% RH (non-condensing)
## 4. Functionality
The NV-R311W operates as a wireless sensor node within a LoRaWAN network. It periodically measures temperature via a connected thermocouple probe and monitors for water leakage through its leak detection sensor. The collected data is transmitted wirelessly to a LoRaWAN gateway, which forwards it to a network server or cloud platform for analysis, visualization, and alerting.
Use Cases and Applications:
- Industrial Process Monitoring: Temperature tracking in furnaces, pipelines, or machinery using thermocouples.
- Building Management Systems: Leak detection in HVAC systems, basements, or data centers.
- Cold Chain and Storage: Monitoring temperature in refrigerated environments or warehouses.
- Utility Infrastructure: Detecting leaks in water distribution or cooling systems.
- Smart Agriculture: Soil moisture and irrigation leak detection combined with environmental temperature sensing.
Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Loriot, Actility).
- Integrates with IoT platforms via MQTT, HTTP, or API interfaces through the network server.
- Supports downlink commands for configuration and control.
## 5. Components & Accessories
Included Items:
- NV-R311W main sensor unit
- Thermocouple input terminal (supports J/K/T/E type probes)
- Water leak detection cable or probe (depending on model variant)
- Pre-installed 3.6V lithium battery
- Mounting screws and adhesive pads
- Quick start guide and documentation
Optional Accessories:
- Extended-length thermocouple probes (various lengths and sheath materials)
- Extended leak detection cables (up to 10 m)
- External antenna kit (for extended range applications)
- Replacement battery pack
- Configuration cable (for local setup via UART or USB interface)
Connectors:
- Thermocouple input: Miniature thermocouple connector or terminal block
- Leak sensor input: 2-pin connector for leak detection cable
- Antenna port: SMA or internal PCB antenna (model-dependent)
## 6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey) for device activation
- Proper thermocouple and leak sensor placement
Mounting Options:
- Wall or flat surface mounting using screws or adhesive pads
- DIN rail mounting for industrial enclosures
- Leak sensor cable routed along floor or under equipment for optimal detection coverage
Configuration:
- Supports OTAA (Over-The-Air Activation) and ABP (Activation by Personalization) modes
- Configuration via downlink commands or local serial interface
- Adjustable parameters: reporting interval, temperature thresholds, leak alarm enable/disable, transmission power, and data rate
- LED indicators for power, network join status, and transmission activity
Setup Procedure:
1. Install the battery and ensure proper polarity.
2. Connect the thermocouple and leak detection cable.
3. Mount the device in the desired location.
4. Register the device on the LoRaWAN network server using its unique DevEUI.
5. Power on and verify network join via LED indication.
6. Confirm data reception on the network dashboard.
## 7. Performance & Capabilities
Wireless Range:
- Up to 10 km (line-of-sight, rural)
- 1–3 km (urban or indoor environments)
Data Transmission Interval:
- Configurable from 1 minute to 24 hours
Temperature Measurement Performance:
- Fast response time (< 2 seconds for thermocouple input)
- Stable readings with minimal drift over time
Leak Detection Performance:
- Immediate detection upon contact with water
- Reliable operation in humid environments
Efficiency:
- Optimized for low duty-cycle operation
- Adaptive data rate (ADR) supported for power optimization
Limitations:
- Requires LoRaWAN network coverage
- Not suitable for immersion or continuous submersion environments
- Thermocouple accuracy depends on probe calibration and installation quality
## 8. Standards & Compliance
LoRaWAN Compliance: LoRaWAN® Specification v1.0.2
Radio Certifications:
- CE (Europe)
- FCC Part 15 (USA)
- RCM (Australia/New Zealand)
- TELEC (Japan)
- SRRC (China)
Environmental & Safety Standards:
- RoHS Compliant (Restriction of Hazardous Substances)
- REACH Compliant
- IP65-rated enclosure for dust and water resistance
Industry Standards:
- Thermocouple input conforms to IEC 60584-1 standard for thermoelectric types J, K, T, and E
- Designed for compliance with industrial IoT and smart building monitoring standards
## 9. Additional Information
Warranty:
- Standard 1-year limited warranty against manufacturing defects
- Extended warranty options available upon request
Support:
- Technical documentation, user manuals, and firmware updates available from manufacturer’s website
- Online support portal and ticket-based assistance
- Integration guides for major LoRaWAN network servers and IoT platforms
Maintenance:
- Periodic inspection of battery voltage and sensor connections recommended
- Replace battery when low-voltage alert is received
- Clean enclosure and sensor probes periodically to maintain accuracy
Firmware & Updates:
- Supports OTA (Over-the-Air) firmware updates via LoRaWAN network
- Configuration parameters can be updated remotely without physical access
Lifecycle & Sustainability:
- Designed for long-term deployment with minimal maintenance
- Replaceable battery and modular sensor design reduce waste and downtime
### Summary
The NV-R311W LoRa 1.0.2 Thermocouple J/K/T/E Type Wireless Water Leak Detector is a versatile, industrial-grade IoT sensor node that combines precision temperature measurement and leak detection in a single, compact device. Leveraging LoRaWAN long-range, low-power communication, it enables reliable remote monitoring across large facilities, infrastructure networks, and industrial environments. With configurable parameters, multi-year battery life, and compliance with global standards, the NV-R311W is an ideal solution for industrial automation, smart building management, and environmental monitoring applications requiring robust, wireless sensing performance.
Keywords for Semantic Search:
NV-R311W, LoRaWAN sensor, thermocouple J/K/T/E, wireless water leak detector, industrial IoT, temperature monitoring, leak detection, Netvox, LoRa 1.0.2, remote sensing, environmental monitoring, smart building, process control, IP65 sensor, long-range wireless sensor.
## 1. Product Overview
Product Name: NV-R311W LoRa 1.0.2 Thermocouple J/K/T/E Type Wireless Water Leak Detector
Model Number: NV-R311W
Series: NV-R300 Series (LoRa-based Industrial Sensor Nodes)
Article Number: NV-R311W
Manufacturer: Netvox Technology Co., Ltd.
The NV-R311W is a LoRaWAN®-based wireless sensor node designed for temperature measurement using thermocouple probes (types J, K, T, and E) and water leak detection in industrial, commercial, and infrastructure monitoring applications. It integrates LoRa 1.0.2 protocol compliance, enabling long-range, low-power wireless communication for IoT networks. The device is part of Netvox’s industrial-grade LoRa sensor family, engineered for reliable environmental and process monitoring in distributed systems.
## 2. Key Features
- LoRaWAN® 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN gateways and network servers supporting version 1.0.2, ensuring interoperability and secure data transmission.
- Dual Functionality: Combines thermocouple temperature sensing (J/K/T/E types) with water leak detection, enabling multi-parameter environmental monitoring in a single device.
- Long-Range Wireless Communication: Utilizes LoRa modulation for extended communication distances (up to 10 km line-of-sight, depending on environment and gateway configuration).
- Ultra-Low Power Consumption: Designed for battery operation with multi-year lifespan under typical reporting intervals.
- High Accuracy Temperature Measurement: Supports multiple thermocouple types for flexible temperature range and precision requirements.
- Leak Detection Capability: Detects the presence of water or conductive liquids at the sensor probe, triggering immediate alerts.
- Industrial-Grade Design: Rugged enclosure suitable for harsh environments, with protection against dust and moisture.
- Configurable Reporting: Adjustable data transmission intervals, thresholds, and alarm conditions via downlink commands.
- OTA (Over-the-Air) Configuration: Supports remote configuration and firmware updates through LoRaWAN network.
- Compact and Easy to Deploy: Lightweight, small form factor for flexible installation in confined or distributed locations.
## 3. Technical Specifications
Communication Protocol: LoRaWAN® 1.0.2
Frequency Bands: EU868 / US915 / AS923 / AU915 / KR920 / IN865 (region-dependent)
Modulation: LoRa (Spread Spectrum, Chirp Modulation)
Transmission Power: Up to +20 dBm (region-specific)
Receiver Sensitivity: Down to -137 dBm (typical)
Antenna Type: Integrated or external LoRa antenna (model-dependent)
Temperature Measurement:
- Supported Thermocouple Types: J, K, T, E
- Measurement Range:
- Type J: -210°C to +1200°C
- Type K: -200°C to +1372°C
- Type T: -200°C to +400°C
- Type E: -200°C to +1000°C
- Accuracy: ±1°C or ±0.5% of reading (typical, depending on thermocouple type and calibration)
- Resolution: 0.1°C
Water Leak Detection:
- Detection Method: Conductivity-based sensing (detects presence of water or conductive liquid)
- Response Time: < 2 seconds upon contact
- Leak Sensor Type: Cable or probe type (depending on configuration)
- Leak Detection Area: Configurable based on cable length
Power Supply:
- Battery Type: 3.6V Li-SOCl₂ battery (replaceable)
- Battery Life: Up to 5 years (typical, depending on reporting interval and network conditions)
- Power Consumption:
- Sleep Mode: < 10 µA
- Transmission: < 120 mA (peak)
Physical Characteristics:
- Dimensions: Approx. 88 mm × 87 mm × 25 mm (main unit)
- Weight: Approx. 150 g (including battery)
- Enclosure Material: Industrial-grade ABS or polycarbonate
- Ingress Protection: IP65 (dust-tight and water-resistant)
- Mounting Options: Wall-mount, DIN rail, or adhesive mounting
Environmental Conditions:
- Operating Temperature: -20°C to +55°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 0–95% RH (non-condensing)
## 4. Functionality
The NV-R311W operates as a wireless sensor node within a LoRaWAN network. It periodically measures temperature via a connected thermocouple probe and monitors for water leakage through its leak detection sensor. The collected data is transmitted wirelessly to a LoRaWAN gateway, which forwards it to a network server or cloud platform for analysis, visualization, and alerting.
Use Cases and Applications:
- Industrial Process Monitoring: Temperature tracking in furnaces, pipelines, or machinery using thermocouples.
- Building Management Systems: Leak detection in HVAC systems, basements, or data centers.
- Cold Chain and Storage: Monitoring temperature in refrigerated environments or warehouses.
- Utility Infrastructure: Detecting leaks in water distribution or cooling systems.
- Smart Agriculture: Soil moisture and irrigation leak detection combined with environmental temperature sensing.
Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Loriot, Actility).
- Integrates with IoT platforms via MQTT, HTTP, or API interfaces through the network server.
- Supports downlink commands for configuration and control.
## 5. Components & Accessories
Included Items:
- NV-R311W main sensor unit
- Thermocouple input terminal (supports J/K/T/E type probes)
- Water leak detection cable or probe (depending on model variant)
- Pre-installed 3.6V lithium battery
- Mounting screws and adhesive pads
- Quick start guide and documentation
Optional Accessories:
- Extended-length thermocouple probes (various lengths and sheath materials)
- Extended leak detection cables (up to 10 m)
- External antenna kit (for extended range applications)
- Replacement battery pack
- Configuration cable (for local setup via UART or USB interface)
Connectors:
- Thermocouple input: Miniature thermocouple connector or terminal block
- Leak sensor input: 2-pin connector for leak detection cable
- Antenna port: SMA or internal PCB antenna (model-dependent)
## 6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey) for device activation
- Proper thermocouple and leak sensor placement
Mounting Options:
- Wall or flat surface mounting using screws or adhesive pads
- DIN rail mounting for industrial enclosures
- Leak sensor cable routed along floor or under equipment for optimal detection coverage
Configuration:
- Supports OTAA (Over-The-Air Activation) and ABP (Activation by Personalization) modes
- Configuration via downlink commands or local serial interface
- Adjustable parameters: reporting interval, temperature thresholds, leak alarm enable/disable, transmission power, and data rate
- LED indicators for power, network join status, and transmission activity
Setup Procedure:
1. Install the battery and ensure proper polarity.
2. Connect the thermocouple and leak detection cable.
3. Mount the device in the desired location.
4. Register the device on the LoRaWAN network server using its unique DevEUI.
5. Power on and verify network join via LED indication.
6. Confirm data reception on the network dashboard.
## 7. Performance & Capabilities
Wireless Range:
- Up to 10 km (line-of-sight, rural)
- 1–3 km (urban or indoor environments)
Data Transmission Interval:
- Configurable from 1 minute to 24 hours
Temperature Measurement Performance:
- Fast response time (< 2 seconds for thermocouple input)
- Stable readings with minimal drift over time
Leak Detection Performance:
- Immediate detection upon contact with water
- Reliable operation in humid environments
Efficiency:
- Optimized for low duty-cycle operation
- Adaptive data rate (ADR) supported for power optimization
Limitations:
- Requires LoRaWAN network coverage
- Not suitable for immersion or continuous submersion environments
- Thermocouple accuracy depends on probe calibration and installation quality
## 8. Standards & Compliance
LoRaWAN Compliance: LoRaWAN® Specification v1.0.2
Radio Certifications:
- CE (Europe)
- FCC Part 15 (USA)
- RCM (Australia/New Zealand)
- TELEC (Japan)
- SRRC (China)
Environmental & Safety Standards:
- RoHS Compliant (Restriction of Hazardous Substances)
- REACH Compliant
- IP65-rated enclosure for dust and water resistance
Industry Standards:
- Thermocouple input conforms to IEC 60584-1 standard for thermoelectric types J, K, T, and E
- Designed for compliance with industrial IoT and smart building monitoring standards
## 9. Additional Information
Warranty:
- Standard 1-year limited warranty against manufacturing defects
- Extended warranty options available upon request
Support:
- Technical documentation, user manuals, and firmware updates available from manufacturer’s website
- Online support portal and ticket-based assistance
- Integration guides for major LoRaWAN network servers and IoT platforms
Maintenance:
- Periodic inspection of battery voltage and sensor connections recommended
- Replace battery when low-voltage alert is received
- Clean enclosure and sensor probes periodically to maintain accuracy
Firmware & Updates:
- Supports OTA (Over-the-Air) firmware updates via LoRaWAN network
- Configuration parameters can be updated remotely without physical access
Lifecycle & Sustainability:
- Designed for long-term deployment with minimal maintenance
- Replaceable battery and modular sensor design reduce waste and downtime
### Summary
The NV-R311W LoRa 1.0.2 Thermocouple J/K/T/E Type Wireless Water Leak Detector is a versatile, industrial-grade IoT sensor node that combines precision temperature measurement and leak detection in a single, compact device. Leveraging LoRaWAN long-range, low-power communication, it enables reliable remote monitoring across large facilities, infrastructure networks, and industrial environments. With configurable parameters, multi-year battery life, and compliance with global standards, the NV-R311W is an ideal solution for industrial automation, smart building management, and environmental monitoring applications requiring robust, wireless sensing performance.
Keywords for Semantic Search:
NV-R311W, LoRaWAN sensor, thermocouple J/K/T/E, wireless water leak detector, industrial IoT, temperature monitoring, leak detection, Netvox, LoRa 1.0.2, remote sensing, environmental monitoring, smart building, process control, IP65 sensor, long-range wireless sensor.
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