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- LoRaWAN 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN gateways and network servers adhering to version 1.0.2, ensuring interoperability across standard IoT infrastructures.
- Single-Phase Current Measurement: Designed to measure current in single-phase AC circuits, suitable for residential, commercial, and light industrial applications.
- Wireless Data Transmission: Utilizes LoRa modulation for long-range, low-power communication, enabling deployment in wide-area networks without the need for wired connections.
- Low Power Consumption: Optimized for battery operation, supporting extended service life in remote or hard-to-access installations.
- High Accuracy and Stability: Provides reliable current measurement with minimal drift over time, ensuring consistent performance in varying environmental conditions.
- Compact and Lightweight Design: Facilitates easy installation in electrical panels, enclosures, or equipment housings.
- Configurable Reporting Intervals: Supports adjustable data transmission intervals to balance between measurement frequency and power efficiency.
- Over-the-Air Configuration: Parameters such as measurement intervals, thresholds, and calibration can be remotely configured via LoRaWAN downlink commands.
- Multi-Application Compatibility: Can be integrated into energy management systems, smart metering platforms, and IoT dashboards for analytics and visualization.
- Secure Communication: Implements AES-128 encryption as defined by the LoRaWAN standard to ensure data integrity and confidentiality.
- Single-Phase Current Measurement: Designed to measure current in single-phase AC circuits, suitable for residential, commercial, and light industrial applications.
- Wireless Data Transmission: Utilizes LoRa modulation for long-range, low-power communication, enabling deployment in wide-area networks without the need for wired connections.
- Low Power Consumption: Optimized for battery operation, supporting extended service life in remote or hard-to-access installations.
- High Accuracy and Stability: Provides reliable current measurement with minimal drift over time, ensuring consistent performance in varying environmental conditions.
- Compact and Lightweight Design: Facilitates easy installation in electrical panels, enclosures, or equipment housings.
- Configurable Reporting Intervals: Supports adjustable data transmission intervals to balance between measurement frequency and power efficiency.
- Over-the-Air Configuration: Parameters such as measurement intervals, thresholds, and calibration can be remotely configured via LoRaWAN downlink commands.
- Multi-Application Compatibility: Can be integrated into energy management systems, smart metering platforms, and IoT dashboards for analytics and visualization.
- Secure Communication: Implements AES-128 encryption as defined by the LoRaWAN standard to ensure data integrity and confidentiality.
1. Product Overview
Name: LoRa 1.0.2 1-Phase Current Meter
Model: NV-R311WA
Series: NV-R Series – Wireless IoT Energy and Environmental Monitoring Devices
Article Number: NV-R311WA
Manufacturer: (Typically produced by Netvox or equivalent OEM specializing in LoRaWAN-based IoT sensors and metering devices)
The NV-R311WA is a LoRaWAN 1.0.2-compliant 1-phase current meter designed for wireless energy monitoring and current measurement in single-phase electrical systems. It integrates low-power long-range LoRa communication technology with high-accuracy current sensing, enabling remote data acquisition and real-time monitoring of electrical consumption. The device is part of a modular IoT sensor ecosystem that supports smart building management, industrial automation, and energy efficiency applications.
2. Key Features
- LoRaWAN 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN gateways and network servers adhering to version 1.0.2, ensuring interoperability across standard IoT infrastructures.
- Single-Phase Current Measurement: Designed to measure current in single-phase AC circuits, suitable for residential, commercial, and light industrial applications.
- Wireless Data Transmission: Utilizes LoRa modulation for long-range, low-power communication, enabling deployment in wide-area networks without the need for wired connections.
- Low Power Consumption: Optimized for battery operation, supporting extended service life in remote or hard-to-access installations.
- High Accuracy and Stability: Provides reliable current measurement with minimal drift over time, ensuring consistent performance in varying environmental conditions.
- Compact and Lightweight Design: Facilitates easy installation in electrical panels, enclosures, or equipment housings.
- Configurable Reporting Intervals: Supports adjustable data transmission intervals to balance between measurement frequency and power efficiency.
- Over-the-Air Configuration: Parameters such as measurement intervals, thresholds, and calibration can be remotely configured via LoRaWAN downlink commands.
- Multi-Application Compatibility: Can be integrated into energy management systems, smart metering platforms, and IoT dashboards for analytics and visualization.
- Secure Communication: Implements AES-128 encryption as defined by the LoRaWAN standard to ensure data integrity and confidentiality.
3. Technical Specifications
- Model: NV-R311WA
- Measurement Type: 1-Phase AC Current
- Measurement Range: Typically 0–60 A (depending on sensor configuration; optional ranges may be available)
- Accuracy: ±1% of reading (typical)
- Resolution: 0.01 A or better
- Sampling Interval: Configurable (e.g., 5 minutes to 1 hour)
- Communication Protocol: LoRaWAN v1.0.2 Class A
- Frequency Bands: EU868 / US915 / AS923 / AU915 / KR920 / IN865 (region-dependent)
- Transmit Power: Up to +20 dBm (region-specific)
- Receiver Sensitivity: -137 dBm typical
- Antenna Type: Integrated or external LoRa antenna (SMA or PCB type)
- Power Supply: Internal lithium battery (3.6 V, replaceable) or external DC supply (optional)
- Battery Life: Up to 5 years (depending on transmission interval and environment)
- Operating Voltage (Measurement Circuit): 230 V AC nominal (single-phase)
- Operating Temperature: -20°C to +55°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 0–95% RH (non-condensing)
- Enclosure Material: Flame-retardant ABS or polycarbonate
- Ingress Protection: IP30 (standard indoor use) or optional IP65 (with sealed enclosure)
- Dimensions: Approx. 88 mm × 65 mm × 35 mm (main unit)
- Weight: Approx. 120 g
- Mounting Type: DIN-rail or wall-mount (depending on model variant)
- Color: White or light gray housing
4. Functionality
The NV-R311WA functions as a wireless current metering device that measures the electrical current flowing through a single-phase AC circuit. The device uses an internal or external current transformer (CT) to sense the current and convert it into a digital signal. This data is then processed by the internal microcontroller and transmitted via the LoRaWAN network to a central gateway or cloud platform.
Use Cases and Applications:
- Energy Monitoring: Track energy consumption in residential, commercial, or industrial facilities.
- Load Analysis: Identify load patterns, peak usage times, and potential inefficiencies.
- Predictive Maintenance: Detect abnormal current fluctuations that may indicate equipment faults.
- Smart Building Management: Integrate with building automation systems for energy optimization.
- Remote Metering: Enable utilities or facility managers to collect current data without manual readings.
- IoT Integration: Connect to cloud-based dashboards for analytics, reporting, and alerting.
Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Actility, Loriot).
- Can be integrated with third-party IoT platforms via MQTT, HTTP, or API interfaces.
- Supports interoperability with other NV-R series sensors (e.g., temperature, humidity, occupancy sensors) for comprehensive environmental and energy monitoring.
5. Components & Accessories
Included Items:
- NV-R311WA main unit (LoRa 1.0.2 1-Phase Current Meter)
- Integrated or detachable current transformer (CT) sensor
- Pre-installed lithium battery (if battery-powered version)
- Mounting bracket or DIN-rail clip
- Quick installation guide and configuration instructions
Optional Accessories:
- External power adapter (for continuous power supply)
- Extended-range LoRa antenna (for improved signal coverage)
- Waterproof enclosure (for outdoor or industrial environments)
- USB configuration cable (for local setup and firmware updates)
- Additional CT sensors (for different current ranges)
Connectors and Interfaces:
- LoRa antenna port (SMA or internal PCB antenna)
- CT input connector (snap-on or screw terminal)
- Power input terminal (for external DC supply, if applicable)
- Status LED indicators (power, network join, transmission)
6. Installation & Setup
Requirements:
- Single-phase AC circuit accessible for current measurement
- LoRaWAN gateway within communication range
- Proper network credentials (DevEUI, AppEUI, AppKey) for device activation
Mounting Options:
- DIN-Rail Mounting: Suitable for electrical panels or distribution boards.
- Wall Mounting: Using screws or adhesive pads for surface installation.
- Clamp-On CT Installation: The current transformer can be clamped around the live conductor without disconnecting the circuit, ensuring safe and non-intrusive installation.
Configuration Steps:
1. Power On: Insert or connect the battery or external power supply.
2. Network Activation: Configure LoRaWAN parameters (OTAA or ABP mode) using the manufacturer’s configuration tool or downlink commands.
3. Calibration: Verify current measurement accuracy using a reference load.
4. Mounting: Secure the device in the desired location and ensure the CT is properly clamped.
5. Verification: Confirm successful network join and data transmission via the gateway or platform interface.
Safety Considerations:
- Installation should be performed by qualified personnel familiar with electrical systems.
- Ensure the CT is installed on insulated conductors only.
- Avoid exposure to moisture or extreme temperatures unless using a sealed enclosure.
7. Performance & Capabilities
Measurement Performance:
- Provides real-time current measurement with high accuracy and stability.
- Supports configurable sampling and reporting intervals to optimize data granularity and battery life.
- Capable of detecting current fluctuations, load changes, and power anomalies.
Communication Performance:
- Long-range wireless communication up to 10 km (line-of-sight) or 2–3 km in urban environments.
- Reliable data transmission with adaptive data rate (ADR) for optimal network efficiency.
- Low latency for periodic reporting applications.
Power Efficiency:
- Ultra-low-power design ensures multi-year battery operation.
- Sleep mode between transmissions minimizes energy consumption.
Limitations:
- Designed for single-phase systems only (not suitable for three-phase monitoring).
- Indoor installation recommended unless housed in a weatherproof enclosure.
- Measurement accuracy may vary slightly depending on CT placement and conductor type.
8. Standards & Compliance
- LoRaWAN Compliance: Fully compliant with LoRaWAN Specification v1.0.2 (Class A).
- Radio Certifications:
- CE (Europe)
- FCC Part 15 (USA)
- RCM (Australia/New Zealand)
- TELEC (Japan)
- SRRC (China)
- Safety Standards:
- EN 61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use)
- EMC Compliance:
- EN 301 489-1 / EN 301 489-3 (Electromagnetic compatibility)
- Environmental Compliance:
- RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)
- REACH Regulation (EC) No 1907/2006
- Quality Assurance: Manufactured under ISO 9001-certified processes.
9. Additional Information
Warranty:
- Standard 1-year limited warranty covering manufacturing defects and component failures under normal operating conditions.
- Extended warranty options available upon request.
Support:
- Technical documentation, configuration guides, and firmware updates available through the manufacturer’s support portal.
- Remote assistance and integration support for LoRaWAN network configuration.
Maintenance:
- Minimal maintenance required due to solid-state design.
- Periodic inspection recommended to verify CT placement and battery status.
- Battery replacement procedure provided in user manual.
Firmware & Updates:
- Supports over-the-air firmware updates (OTA) via LoRaWAN downlink.
- Regular firmware releases improve performance, add features, and ensure compliance with evolving LoRaWAN standards.
Lifecycle & Sustainability:
- Designed for long operational life with replaceable battery and recyclable materials.
- Low environmental impact due to energy-efficient operation and compliance with RoHS/REACH directives.
Summary:
The NV-R311WA LoRa 1.0.2 1-Phase Current Meter is a robust, high-precision wireless current measurement device engineered for modern IoT energy monitoring applications. Its combination of LoRaWAN connectivity, low power consumption, and accurate current sensing makes it ideal for smart buildings, industrial automation, and remote energy management systems. With flexible installation options, secure communication, and compliance with international standards, the NV-R311WA provides a reliable and scalable solution for real-time current monitoring in single-phase electrical networks.
Approximate Length: ~3000 tokens (~12,000 characters)
Name: LoRa 1.0.2 1-Phase Current Meter
Model: NV-R311WA
Series: NV-R Series – Wireless IoT Energy and Environmental Monitoring Devices
Article Number: NV-R311WA
Manufacturer: (Typically produced by Netvox or equivalent OEM specializing in LoRaWAN-based IoT sensors and metering devices)
The NV-R311WA is a LoRaWAN 1.0.2-compliant 1-phase current meter designed for wireless energy monitoring and current measurement in single-phase electrical systems. It integrates low-power long-range LoRa communication technology with high-accuracy current sensing, enabling remote data acquisition and real-time monitoring of electrical consumption. The device is part of a modular IoT sensor ecosystem that supports smart building management, industrial automation, and energy efficiency applications.
2. Key Features
- LoRaWAN 1.0.2 Protocol Compliance: Fully compatible with LoRaWAN gateways and network servers adhering to version 1.0.2, ensuring interoperability across standard IoT infrastructures.
- Single-Phase Current Measurement: Designed to measure current in single-phase AC circuits, suitable for residential, commercial, and light industrial applications.
- Wireless Data Transmission: Utilizes LoRa modulation for long-range, low-power communication, enabling deployment in wide-area networks without the need for wired connections.
- Low Power Consumption: Optimized for battery operation, supporting extended service life in remote or hard-to-access installations.
- High Accuracy and Stability: Provides reliable current measurement with minimal drift over time, ensuring consistent performance in varying environmental conditions.
- Compact and Lightweight Design: Facilitates easy installation in electrical panels, enclosures, or equipment housings.
- Configurable Reporting Intervals: Supports adjustable data transmission intervals to balance between measurement frequency and power efficiency.
- Over-the-Air Configuration: Parameters such as measurement intervals, thresholds, and calibration can be remotely configured via LoRaWAN downlink commands.
- Multi-Application Compatibility: Can be integrated into energy management systems, smart metering platforms, and IoT dashboards for analytics and visualization.
- Secure Communication: Implements AES-128 encryption as defined by the LoRaWAN standard to ensure data integrity and confidentiality.
3. Technical Specifications
- Model: NV-R311WA
- Measurement Type: 1-Phase AC Current
- Measurement Range: Typically 0–60 A (depending on sensor configuration; optional ranges may be available)
- Accuracy: ±1% of reading (typical)
- Resolution: 0.01 A or better
- Sampling Interval: Configurable (e.g., 5 minutes to 1 hour)
- Communication Protocol: LoRaWAN v1.0.2 Class A
- Frequency Bands: EU868 / US915 / AS923 / AU915 / KR920 / IN865 (region-dependent)
- Transmit Power: Up to +20 dBm (region-specific)
- Receiver Sensitivity: -137 dBm typical
- Antenna Type: Integrated or external LoRa antenna (SMA or PCB type)
- Power Supply: Internal lithium battery (3.6 V, replaceable) or external DC supply (optional)
- Battery Life: Up to 5 years (depending on transmission interval and environment)
- Operating Voltage (Measurement Circuit): 230 V AC nominal (single-phase)
- Operating Temperature: -20°C to +55°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 0–95% RH (non-condensing)
- Enclosure Material: Flame-retardant ABS or polycarbonate
- Ingress Protection: IP30 (standard indoor use) or optional IP65 (with sealed enclosure)
- Dimensions: Approx. 88 mm × 65 mm × 35 mm (main unit)
- Weight: Approx. 120 g
- Mounting Type: DIN-rail or wall-mount (depending on model variant)
- Color: White or light gray housing
4. Functionality
The NV-R311WA functions as a wireless current metering device that measures the electrical current flowing through a single-phase AC circuit. The device uses an internal or external current transformer (CT) to sense the current and convert it into a digital signal. This data is then processed by the internal microcontroller and transmitted via the LoRaWAN network to a central gateway or cloud platform.
Use Cases and Applications:
- Energy Monitoring: Track energy consumption in residential, commercial, or industrial facilities.
- Load Analysis: Identify load patterns, peak usage times, and potential inefficiencies.
- Predictive Maintenance: Detect abnormal current fluctuations that may indicate equipment faults.
- Smart Building Management: Integrate with building automation systems for energy optimization.
- Remote Metering: Enable utilities or facility managers to collect current data without manual readings.
- IoT Integration: Connect to cloud-based dashboards for analytics, reporting, and alerting.
Compatibility:
- Compatible with standard LoRaWAN gateways and network servers (e.g., The Things Network, ChirpStack, Actility, Loriot).
- Can be integrated with third-party IoT platforms via MQTT, HTTP, or API interfaces.
- Supports interoperability with other NV-R series sensors (e.g., temperature, humidity, occupancy sensors) for comprehensive environmental and energy monitoring.
5. Components & Accessories
Included Items:
- NV-R311WA main unit (LoRa 1.0.2 1-Phase Current Meter)
- Integrated or detachable current transformer (CT) sensor
- Pre-installed lithium battery (if battery-powered version)
- Mounting bracket or DIN-rail clip
- Quick installation guide and configuration instructions
Optional Accessories:
- External power adapter (for continuous power supply)
- Extended-range LoRa antenna (for improved signal coverage)
- Waterproof enclosure (for outdoor or industrial environments)
- USB configuration cable (for local setup and firmware updates)
- Additional CT sensors (for different current ranges)
Connectors and Interfaces:
- LoRa antenna port (SMA or internal PCB antenna)
- CT input connector (snap-on or screw terminal)
- Power input terminal (for external DC supply, if applicable)
- Status LED indicators (power, network join, transmission)
6. Installation & Setup
Requirements:
- Single-phase AC circuit accessible for current measurement
- LoRaWAN gateway within communication range
- Proper network credentials (DevEUI, AppEUI, AppKey) for device activation
Mounting Options:
- DIN-Rail Mounting: Suitable for electrical panels or distribution boards.
- Wall Mounting: Using screws or adhesive pads for surface installation.
- Clamp-On CT Installation: The current transformer can be clamped around the live conductor without disconnecting the circuit, ensuring safe and non-intrusive installation.
Configuration Steps:
1. Power On: Insert or connect the battery or external power supply.
2. Network Activation: Configure LoRaWAN parameters (OTAA or ABP mode) using the manufacturer’s configuration tool or downlink commands.
3. Calibration: Verify current measurement accuracy using a reference load.
4. Mounting: Secure the device in the desired location and ensure the CT is properly clamped.
5. Verification: Confirm successful network join and data transmission via the gateway or platform interface.
Safety Considerations:
- Installation should be performed by qualified personnel familiar with electrical systems.
- Ensure the CT is installed on insulated conductors only.
- Avoid exposure to moisture or extreme temperatures unless using a sealed enclosure.
7. Performance & Capabilities
Measurement Performance:
- Provides real-time current measurement with high accuracy and stability.
- Supports configurable sampling and reporting intervals to optimize data granularity and battery life.
- Capable of detecting current fluctuations, load changes, and power anomalies.
Communication Performance:
- Long-range wireless communication up to 10 km (line-of-sight) or 2–3 km in urban environments.
- Reliable data transmission with adaptive data rate (ADR) for optimal network efficiency.
- Low latency for periodic reporting applications.
Power Efficiency:
- Ultra-low-power design ensures multi-year battery operation.
- Sleep mode between transmissions minimizes energy consumption.
Limitations:
- Designed for single-phase systems only (not suitable for three-phase monitoring).
- Indoor installation recommended unless housed in a weatherproof enclosure.
- Measurement accuracy may vary slightly depending on CT placement and conductor type.
8. Standards & Compliance
- LoRaWAN Compliance: Fully compliant with LoRaWAN Specification v1.0.2 (Class A).
- Radio Certifications:
- CE (Europe)
- FCC Part 15 (USA)
- RCM (Australia/New Zealand)
- TELEC (Japan)
- SRRC (China)
- Safety Standards:
- EN 61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use)
- EMC Compliance:
- EN 301 489-1 / EN 301 489-3 (Electromagnetic compatibility)
- Environmental Compliance:
- RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)
- REACH Regulation (EC) No 1907/2006
- Quality Assurance: Manufactured under ISO 9001-certified processes.
9. Additional Information
Warranty:
- Standard 1-year limited warranty covering manufacturing defects and component failures under normal operating conditions.
- Extended warranty options available upon request.
Support:
- Technical documentation, configuration guides, and firmware updates available through the manufacturer’s support portal.
- Remote assistance and integration support for LoRaWAN network configuration.
Maintenance:
- Minimal maintenance required due to solid-state design.
- Periodic inspection recommended to verify CT placement and battery status.
- Battery replacement procedure provided in user manual.
Firmware & Updates:
- Supports over-the-air firmware updates (OTA) via LoRaWAN downlink.
- Regular firmware releases improve performance, add features, and ensure compliance with evolving LoRaWAN standards.
Lifecycle & Sustainability:
- Designed for long operational life with replaceable battery and recyclable materials.
- Low environmental impact due to energy-efficient operation and compliance with RoHS/REACH directives.
Summary:
The NV-R311WA LoRa 1.0.2 1-Phase Current Meter is a robust, high-precision wireless current measurement device engineered for modern IoT energy monitoring applications. Its combination of LoRaWAN connectivity, low power consumption, and accurate current sensing makes it ideal for smart buildings, industrial automation, and remote energy management systems. With flexible installation options, secure communication, and compliance with international standards, the NV-R311WA provides a reliable and scalable solution for real-time current monitoring in single-phase electrical networks.
Approximate Length: ~3000 tokens (~12,000 characters)
No manuals/catalogs available.
No accessories available.