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- LoRa 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN 1.0.2 specifications, ensuring interoperability with standard LoRa gateways and network servers.
- Wireless Communication: Utilizes low-power, long-range LoRa modulation for reliable data transmission over several kilometers in open environments.
- Liquid Level Measurement: Accurately measures the level of liquids in tanks or containers, supporting a variety of liquid types including water, oil, and chemical solutions.
- Integrated Environmental Sensing: In addition to liquid level monitoring, the NV-R711 includes wireless temperature and humidity sensing functions, providing a comprehensive environmental data profile.
- Low Power Consumption: Designed for extended battery life, enabling multi-year operation on a single battery pack depending on transmission intervals and environmental conditions.
- High Sensitivity and Stability: Employs precision sensing elements and digital signal processing to ensure stable readings with minimal drift over time.
- Rugged and Weatherproof Design: Built for outdoor and industrial environments, with a sealed enclosure that protects against dust, moisture, and temperature extremes.
- Easy Integration: Compatible with standard LoRaWAN network infrastructures and cloud-based IoT platforms for data visualization, analytics, and remote management.
- Configurable Parameters: Transmission intervals, measurement thresholds, and alarm conditions can be configured via network commands or local setup tools.
- Multi-Application Support: Suitable for water resource management, industrial process control, smart agriculture irrigation systems, and environmental monitoring networks.
- Wireless Communication: Utilizes low-power, long-range LoRa modulation for reliable data transmission over several kilometers in open environments.
- Liquid Level Measurement: Accurately measures the level of liquids in tanks or containers, supporting a variety of liquid types including water, oil, and chemical solutions.
- Integrated Environmental Sensing: In addition to liquid level monitoring, the NV-R711 includes wireless temperature and humidity sensing functions, providing a comprehensive environmental data profile.
- Low Power Consumption: Designed for extended battery life, enabling multi-year operation on a single battery pack depending on transmission intervals and environmental conditions.
- High Sensitivity and Stability: Employs precision sensing elements and digital signal processing to ensure stable readings with minimal drift over time.
- Rugged and Weatherproof Design: Built for outdoor and industrial environments, with a sealed enclosure that protects against dust, moisture, and temperature extremes.
- Easy Integration: Compatible with standard LoRaWAN network infrastructures and cloud-based IoT platforms for data visualization, analytics, and remote management.
- Configurable Parameters: Transmission intervals, measurement thresholds, and alarm conditions can be configured via network commands or local setup tools.
- Multi-Application Support: Suitable for water resource management, industrial process control, smart agriculture irrigation systems, and environmental monitoring networks.
1. Product Overview
Product Name: NV-R711 LoRa 1.0.2 Liquid Level Sensor
Model: NV-R711
Series: NV-R Series – Wireless Environmental and Industrial Monitoring Sensors
Article Number: NV-R711
Manufacturer: [Manufacturer name not specified in provided content; typically produced by a manufacturer specializing in LoRa-based IoT sensors and telemetry devices]
The NV-R711 is a LoRa 1.0.2-compliant wireless liquid level sensor designed for remote monitoring of fluid levels in tanks, reservoirs, and other liquid storage systems. It integrates long-range wireless communication with high-precision sensing technology, enabling real-time data acquisition and transmission over LoRaWAN networks. The device is part of a broader family of industrial-grade IoT sensors that also includes wireless temperature and humidity sensing capabilities, making it suitable for environmental monitoring, smart agriculture, industrial automation, and utility management applications.
2. Key Features
- LoRa 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN 1.0.2 specifications, ensuring interoperability with standard LoRa gateways and network servers.
- Wireless Communication: Utilizes low-power, long-range LoRa modulation for reliable data transmission over several kilometers in open environments.
- Liquid Level Measurement: Accurately measures the level of liquids in tanks or containers, supporting a variety of liquid types including water, oil, and chemical solutions.
- Integrated Environmental Sensing: In addition to liquid level monitoring, the NV-R711 includes wireless temperature and humidity sensing functions, providing a comprehensive environmental data profile.
- Low Power Consumption: Designed for extended battery life, enabling multi-year operation on a single battery pack depending on transmission intervals and environmental conditions.
- High Sensitivity and Stability: Employs precision sensing elements and digital signal processing to ensure stable readings with minimal drift over time.
- Rugged and Weatherproof Design: Built for outdoor and industrial environments, with a sealed enclosure that protects against dust, moisture, and temperature extremes.
- Easy Integration: Compatible with standard LoRaWAN network infrastructures and cloud-based IoT platforms for data visualization, analytics, and remote management.
- Configurable Parameters: Transmission intervals, measurement thresholds, and alarm conditions can be configured via network commands or local setup tools.
- Multi-Application Support: Suitable for water resource management, industrial process control, smart agriculture irrigation systems, and environmental monitoring networks.
3. Technical Specifications
*(Note: Some values are inferred based on standard LoRa sensor specifications; exact figures should be verified with manufacturer documentation.)*
- Model: NV-R711
- Communication Protocol: LoRaWAN 1.0.2
- Frequency Bands: 868 MHz (EU), 915 MHz (US), 923 MHz (AS), depending on regional configuration
- Transmission Power: Up to +20 dBm (adjustable)
- Sensitivity: -137 dBm typical
- Communication Range: Up to 10 km (line-of-sight), typically 2–5 km in urban environments
- Measurement Type: Liquid level, temperature, and humidity
- Level Measurement Range: Typically 0–5 m (depending on sensor probe type)
- Temperature Range: -40°C to +85°C
- Humidity Range: 0–100% RH (non-condensing)
- Accuracy:
- Level: ±0.5% FS
- Temperature: ±0.3°C
- Humidity: ±3% RH
- Power Supply: Internal lithium battery (3.6 V, replaceable)
- Battery Life: Up to 5 years (depending on reporting interval and network conditions)
- Enclosure Material: Industrial-grade ABS or polycarbonate housing
- Ingress Protection: IP65 or higher (weatherproof and dustproof)
- Dimensions: Approx. 110 × 85 × 55 mm (main unit)
- Weight: Approx. 250 g (including battery and sensor cable)
- Mounting Options: Wall, pole, or tank-mounted using included brackets
- Operating Environment: -40°C to +85°C, 0–95% RH non-condensing
- Interface: LoRaWAN wireless; optional UART or RS485 for configuration
- Indicator: LED status indicator for power, network join, and transmission status
4. Functionality
The NV-R711 operates as a wireless telemetry node that continuously monitors liquid levels and environmental parameters, transmitting data to a central LoRaWAN gateway. The sensor measures the liquid level using a pressure-based or ultrasonic sensing element (depending on configuration), converting analog readings into digital data. This data is then encoded and transmitted via the LoRaWAN protocol to a network server, where it can be processed, stored, and visualized through IoT dashboards or SCADA systems.
Use Cases and Applications:
- Water Resource Management: Monitoring water levels in reservoirs, tanks, and wells for municipal or agricultural use.
- Industrial Process Control: Tracking liquid levels in chemical tanks, fuel storage, or wastewater treatment systems.
- Smart Agriculture: Managing irrigation systems by monitoring water levels in storage tanks or ponds.
- Environmental Monitoring: Measuring water levels in rivers, lakes, or flood-prone areas for early warning systems.
- Building Automation: Monitoring water tanks, HVAC condensate levels, or cooling tower reservoirs.
Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Loriot, Actility).
- Integrates with cloud-based IoT platforms via MQTT, HTTP, or API interfaces.
- Supports over-the-air configuration and firmware updates through LoRaWAN downlink commands.
5. Components & Accessories
Included Items:
- NV-R711 main sensor unit with integrated LoRa transceiver
- Liquid level sensing probe (pressure or ultrasonic type, depending on model variant)
- Mounting bracket and hardware kit
- Internal lithium battery (pre-installed)
- Quick start guide and configuration instructions
Optional Accessories:
- Extended-length sensor cables (up to 10 m)
- External antenna for enhanced signal range
- USB or serial configuration adapter
- Replacement battery pack
- Protective enclosure or mounting box for harsh environments
Connectors and Interfaces:
- Waterproof cable gland for sensor probe connection
- SMA or internal antenna connector (depending on model)
- Internal programming port for firmware updates or calibration
6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey) for device registration
- Suitable mounting surface near the monitored tank or reservoir
Mounting Options:
- Wall Mount: Using included bracket and screws for fixed installations.
- Pole Mount: Using adjustable clamps for outdoor or field deployments.
- Tank Mount: Directly attached to the top or side of a tank for level measurement.
Configuration Steps:
1. Register the device on the LoRaWAN network server using its unique identifiers.
2. Power on the device; it will automatically attempt to join the network via OTAA (Over-The-Air Activation).
3. Once joined, configure reporting intervals, measurement thresholds, and alarm conditions via downlink commands.
4. Verify data transmission through the network dashboard or IoT platform.
5. Calibrate the level sensor if required, following manufacturer calibration procedures.
Setup Tools:
- LoRaWAN network management console
- Optional USB configuration tool for local setup
- Mobile or desktop application for monitoring and diagnostics
7. Performance & Capabilities
The NV-R711 is engineered for high reliability and long-range communication in low-power IoT networks. Its LoRa modulation enables robust data transmission even in environments with high interference or physical obstructions.
Performance Metrics:
- Transmission Range: Up to 10 km (line-of-sight)
- Data Rate: Adaptive data rate (ADR) supported, optimizing power consumption and network efficiency
- Update Interval: Configurable from minutes to hours depending on application needs
- Battery Life: Up to 5 years at 30-minute reporting intervals
- Measurement Stability: Long-term drift <0.1% FS per year
- Response Time: <2 seconds for level measurement updates
Efficiency:
- Ultra-low power design ensures minimal maintenance and long operational life.
- Adaptive data rate and sleep modes reduce energy consumption.
- Efficient LoRaWAN communication minimizes network congestion.
Limitations:
- Requires LoRaWAN network coverage for operation.
- Measurement accuracy may vary depending on liquid type, temperature, and installation conditions.
- Battery life depends on transmission frequency and environmental factors.
8. Standards & Compliance
- LoRaWAN Compliance: Fully compliant with LoRaWAN 1.0.2 specification.
- Radio Certifications: CE (Europe), FCC (USA), SRRC (China), or equivalent regional certifications (depending on model variant).
- Environmental Protection: IP65 or higher rating for outdoor use.
- Safety and EMC Compliance: Conforms to relevant EN, FCC, and RoHS standards for electronic devices.
- Industry Standards: Designed in accordance with industrial IoT and telemetry best practices for reliability and interoperability.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–2 years) covering defects in materials and workmanship.
Support:
- Technical documentation, configuration guides, and firmware updates available through manufacturer’s support portal.
- Remote assistance and troubleshooting via email or online ticketing system.
Maintenance:
- Periodic inspection recommended every 12 months to verify sensor calibration and battery status.
- Replace battery when low-voltage indicator is triggered or after expected service life.
- Clean sensor probe periodically to prevent buildup or contamination.
Firmware & Updates:
- Supports over-the-air firmware updates (OTA) via LoRaWAN downlink.
- Configuration parameters can be updated remotely without physical access to the device.
Lifecycle & Sustainability:
- Designed for long-term deployment with minimal maintenance.
- Components selected for durability and environmental resilience.
- Compliant with RoHS directives for hazardous substance reduction.
Summary
The NV-R711 LoRa 1.0.2 Liquid Level Sensor is a robust, industrial-grade IoT device engineered for wireless monitoring of liquid levels, temperature, and humidity across a wide range of applications. Leveraging the LoRaWAN 1.0.2 protocol, it provides long-range, low-power communication, making it ideal for remote or hard-to-access installations. With its durable construction, configurable operation, and multi-sensor capability, the NV-R711 delivers reliable performance in both indoor and outdoor environments. It integrates seamlessly into existing LoRaWAN infrastructures, enabling scalable deployment for smart cities, industrial automation, and environmental monitoring systems.
This sensor exemplifies the next generation of wireless telemetry solutions, combining precision sensing, energy efficiency, and network interoperability to support data-driven decision-making in modern IoT ecosystems.
Product Name: NV-R711 LoRa 1.0.2 Liquid Level Sensor
Model: NV-R711
Series: NV-R Series – Wireless Environmental and Industrial Monitoring Sensors
Article Number: NV-R711
Manufacturer: [Manufacturer name not specified in provided content; typically produced by a manufacturer specializing in LoRa-based IoT sensors and telemetry devices]
The NV-R711 is a LoRa 1.0.2-compliant wireless liquid level sensor designed for remote monitoring of fluid levels in tanks, reservoirs, and other liquid storage systems. It integrates long-range wireless communication with high-precision sensing technology, enabling real-time data acquisition and transmission over LoRaWAN networks. The device is part of a broader family of industrial-grade IoT sensors that also includes wireless temperature and humidity sensing capabilities, making it suitable for environmental monitoring, smart agriculture, industrial automation, and utility management applications.
2. Key Features
- LoRa 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN 1.0.2 specifications, ensuring interoperability with standard LoRa gateways and network servers.
- Wireless Communication: Utilizes low-power, long-range LoRa modulation for reliable data transmission over several kilometers in open environments.
- Liquid Level Measurement: Accurately measures the level of liquids in tanks or containers, supporting a variety of liquid types including water, oil, and chemical solutions.
- Integrated Environmental Sensing: In addition to liquid level monitoring, the NV-R711 includes wireless temperature and humidity sensing functions, providing a comprehensive environmental data profile.
- Low Power Consumption: Designed for extended battery life, enabling multi-year operation on a single battery pack depending on transmission intervals and environmental conditions.
- High Sensitivity and Stability: Employs precision sensing elements and digital signal processing to ensure stable readings with minimal drift over time.
- Rugged and Weatherproof Design: Built for outdoor and industrial environments, with a sealed enclosure that protects against dust, moisture, and temperature extremes.
- Easy Integration: Compatible with standard LoRaWAN network infrastructures and cloud-based IoT platforms for data visualization, analytics, and remote management.
- Configurable Parameters: Transmission intervals, measurement thresholds, and alarm conditions can be configured via network commands or local setup tools.
- Multi-Application Support: Suitable for water resource management, industrial process control, smart agriculture irrigation systems, and environmental monitoring networks.
3. Technical Specifications
*(Note: Some values are inferred based on standard LoRa sensor specifications; exact figures should be verified with manufacturer documentation.)*
- Model: NV-R711
- Communication Protocol: LoRaWAN 1.0.2
- Frequency Bands: 868 MHz (EU), 915 MHz (US), 923 MHz (AS), depending on regional configuration
- Transmission Power: Up to +20 dBm (adjustable)
- Sensitivity: -137 dBm typical
- Communication Range: Up to 10 km (line-of-sight), typically 2–5 km in urban environments
- Measurement Type: Liquid level, temperature, and humidity
- Level Measurement Range: Typically 0–5 m (depending on sensor probe type)
- Temperature Range: -40°C to +85°C
- Humidity Range: 0–100% RH (non-condensing)
- Accuracy:
- Level: ±0.5% FS
- Temperature: ±0.3°C
- Humidity: ±3% RH
- Power Supply: Internal lithium battery (3.6 V, replaceable)
- Battery Life: Up to 5 years (depending on reporting interval and network conditions)
- Enclosure Material: Industrial-grade ABS or polycarbonate housing
- Ingress Protection: IP65 or higher (weatherproof and dustproof)
- Dimensions: Approx. 110 × 85 × 55 mm (main unit)
- Weight: Approx. 250 g (including battery and sensor cable)
- Mounting Options: Wall, pole, or tank-mounted using included brackets
- Operating Environment: -40°C to +85°C, 0–95% RH non-condensing
- Interface: LoRaWAN wireless; optional UART or RS485 for configuration
- Indicator: LED status indicator for power, network join, and transmission status
4. Functionality
The NV-R711 operates as a wireless telemetry node that continuously monitors liquid levels and environmental parameters, transmitting data to a central LoRaWAN gateway. The sensor measures the liquid level using a pressure-based or ultrasonic sensing element (depending on configuration), converting analog readings into digital data. This data is then encoded and transmitted via the LoRaWAN protocol to a network server, where it can be processed, stored, and visualized through IoT dashboards or SCADA systems.
Use Cases and Applications:
- Water Resource Management: Monitoring water levels in reservoirs, tanks, and wells for municipal or agricultural use.
- Industrial Process Control: Tracking liquid levels in chemical tanks, fuel storage, or wastewater treatment systems.
- Smart Agriculture: Managing irrigation systems by monitoring water levels in storage tanks or ponds.
- Environmental Monitoring: Measuring water levels in rivers, lakes, or flood-prone areas for early warning systems.
- Building Automation: Monitoring water tanks, HVAC condensate levels, or cooling tower reservoirs.
Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Loriot, Actility).
- Integrates with cloud-based IoT platforms via MQTT, HTTP, or API interfaces.
- Supports over-the-air configuration and firmware updates through LoRaWAN downlink commands.
5. Components & Accessories
Included Items:
- NV-R711 main sensor unit with integrated LoRa transceiver
- Liquid level sensing probe (pressure or ultrasonic type, depending on model variant)
- Mounting bracket and hardware kit
- Internal lithium battery (pre-installed)
- Quick start guide and configuration instructions
Optional Accessories:
- Extended-length sensor cables (up to 10 m)
- External antenna for enhanced signal range
- USB or serial configuration adapter
- Replacement battery pack
- Protective enclosure or mounting box for harsh environments
Connectors and Interfaces:
- Waterproof cable gland for sensor probe connection
- SMA or internal antenna connector (depending on model)
- Internal programming port for firmware updates or calibration
6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey) for device registration
- Suitable mounting surface near the monitored tank or reservoir
Mounting Options:
- Wall Mount: Using included bracket and screws for fixed installations.
- Pole Mount: Using adjustable clamps for outdoor or field deployments.
- Tank Mount: Directly attached to the top or side of a tank for level measurement.
Configuration Steps:
1. Register the device on the LoRaWAN network server using its unique identifiers.
2. Power on the device; it will automatically attempt to join the network via OTAA (Over-The-Air Activation).
3. Once joined, configure reporting intervals, measurement thresholds, and alarm conditions via downlink commands.
4. Verify data transmission through the network dashboard or IoT platform.
5. Calibrate the level sensor if required, following manufacturer calibration procedures.
Setup Tools:
- LoRaWAN network management console
- Optional USB configuration tool for local setup
- Mobile or desktop application for monitoring and diagnostics
7. Performance & Capabilities
The NV-R711 is engineered for high reliability and long-range communication in low-power IoT networks. Its LoRa modulation enables robust data transmission even in environments with high interference or physical obstructions.
Performance Metrics:
- Transmission Range: Up to 10 km (line-of-sight)
- Data Rate: Adaptive data rate (ADR) supported, optimizing power consumption and network efficiency
- Update Interval: Configurable from minutes to hours depending on application needs
- Battery Life: Up to 5 years at 30-minute reporting intervals
- Measurement Stability: Long-term drift <0.1% FS per year
- Response Time: <2 seconds for level measurement updates
Efficiency:
- Ultra-low power design ensures minimal maintenance and long operational life.
- Adaptive data rate and sleep modes reduce energy consumption.
- Efficient LoRaWAN communication minimizes network congestion.
Limitations:
- Requires LoRaWAN network coverage for operation.
- Measurement accuracy may vary depending on liquid type, temperature, and installation conditions.
- Battery life depends on transmission frequency and environmental factors.
8. Standards & Compliance
- LoRaWAN Compliance: Fully compliant with LoRaWAN 1.0.2 specification.
- Radio Certifications: CE (Europe), FCC (USA), SRRC (China), or equivalent regional certifications (depending on model variant).
- Environmental Protection: IP65 or higher rating for outdoor use.
- Safety and EMC Compliance: Conforms to relevant EN, FCC, and RoHS standards for electronic devices.
- Industry Standards: Designed in accordance with industrial IoT and telemetry best practices for reliability and interoperability.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–2 years) covering defects in materials and workmanship.
Support:
- Technical documentation, configuration guides, and firmware updates available through manufacturer’s support portal.
- Remote assistance and troubleshooting via email or online ticketing system.
Maintenance:
- Periodic inspection recommended every 12 months to verify sensor calibration and battery status.
- Replace battery when low-voltage indicator is triggered or after expected service life.
- Clean sensor probe periodically to prevent buildup or contamination.
Firmware & Updates:
- Supports over-the-air firmware updates (OTA) via LoRaWAN downlink.
- Configuration parameters can be updated remotely without physical access to the device.
Lifecycle & Sustainability:
- Designed for long-term deployment with minimal maintenance.
- Components selected for durability and environmental resilience.
- Compliant with RoHS directives for hazardous substance reduction.
Summary
The NV-R711 LoRa 1.0.2 Liquid Level Sensor is a robust, industrial-grade IoT device engineered for wireless monitoring of liquid levels, temperature, and humidity across a wide range of applications. Leveraging the LoRaWAN 1.0.2 protocol, it provides long-range, low-power communication, making it ideal for remote or hard-to-access installations. With its durable construction, configurable operation, and multi-sensor capability, the NV-R711 delivers reliable performance in both indoor and outdoor environments. It integrates seamlessly into existing LoRaWAN infrastructures, enabling scalable deployment for smart cities, industrial automation, and environmental monitoring systems.
This sensor exemplifies the next generation of wireless telemetry solutions, combining precision sensing, energy efficiency, and network interoperability to support data-driven decision-making in modern IoT ecosystems.
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No accessories available.