ND31 Power Network Meter

Lumel ND31 Power Network Meter with recording and MQTT (IoT), BACnet/IP or Modbus TCP/IP protocols.

Measuring of the 54 parameters, harmonics up to 63rd MQTT protocol dedicated to IoT applications, graphical screen, fully configurable by a user and a very user friendly www server interface. These are just some advantages of the new power network meter.

 

Description

Lumel ND31 Power Network Meter with recording and MQTT (IoT), BACnet/IP or Modbus TCP/IP protocols.

Measuring of the 54 parameters, harmonics up to 63rd MQTT protocol dedicated to IoT applications, graphical screen, fully configurable by a user and a very user friendly www server interface. These are just some advantages of the new power network meter.

Lumel are the producers of automation devices for measurement, control, transmission and visualisation of various industrial processes. They also provide Services of designing and manufacturing of automation systems.

Since 1954 Lumel brand has been known as a producer of quality measuring devices and high-pressure die-casting all over the world. Their high position in the market has been achieved thanks to continuous development, employees and modern technology in areas of research, design and production. Lumel delivers complex solutions for power and industrial automation sector as well as for automobile, chemical, steel, or HVAC industries.

Their objective is to provide comprehensive solutions by designing intelligent systems based on the electronics Lumel manufactures, which are measuring and regulating equipment for industrial, automotive and military applications, as well as through service production of electronics.

mView more Lumel products.

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• Measurement and recording of 54 power network parameters, including current and voltage harmonics up to the 63rf, in 1-phase 2-wire or 3-phase 3 or 4 wire balanced and unbalanced systems.
• Graphical colour display: LCD TFT 3,5", 320 x 240 pixels, fully configurable by the user:
- 10 screens, 8 parameters in each
- 2 screens with harmonic presentation
- 1 screen with analog indication
• Indications include the values of programmed ratios
• Memory of minimum and maximum values
• 2 configurable alarm outputs
Mode of supervisory relay for alarm outputs. Supervisory relay mode enables detection of the following events:
- Voltage drop or growth
- Current drop or growth
- Phase loss
- Current or voltage unbalance
- Phase sequence
User can specify:
- The thresholds of monitored events
- Monitoring of phase relay
- Memory of relay state
- Delay of switch-on/off relay
- Relay state after the event has occurred

• Optional: Analog output 0/4...20mA and 2 x Pt100 inputs (e.g. for measurement of transformer temperature)
• Logging of up to 32 measured parameters in the internal memory 8GB
• Digital output RS485 - MODBUS protocol
• Modern and user friendly Ethernet interface 10/100 BASE-T:
- Protocol: MODBUS TCP/IP, HTTP, FTP
- MQTT protocol
- BACnet/IP Protocol
- Services: www server, ftp server, DHCP client, NTP server
• Wide range of voltage supply
- 85...253 V a.c. or 90...300 V d.c.
- 20...40 V a.c. or 20...60 V d.c.
• Programming of parameters using free eCon software
Battery backup RTC
Overall dimensions: 96 x 96 x 77 mm