ND31 Power Network Meters

Lumel ND31 Power Network Meters have a measurement of 54 parameters, harmonics up to 63rd, MQTT protocol dedicated to IoT applications, graphical screen which is fully configured by a user and is very user friendly www. server interface. These are just some of the advantages of our new power network meter ND31 type.

Description

Lumel ND31 Power Network Meters have a measurement of 54 parameters, harmonics up to 63rd, MQTT protocol dedicated to IoT applications, graphical screen which is fully configured by a user and is very user friendly www. server interface. These are just some of the advantages of our new power network meter ND31 type.

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.

View more Lumel products.

Follow us on Facebook for updates.

• Measurement and recording of 54 power network parameters up , including current and voltage harmonics up to 63rd, in 1-phase 2-wire or 3-phase 3or 4 wire balanced and unbalanced systems.
• Colour graphical display: LCD TFT 3.5", 320 x 240 pixels, fully configurable by user:
- 10 screens, 8 parameters in each
- 2 screens with harmonic presentations
- 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 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 Vac or 90..300 Vdc
- 20--40 Vac or 20..60 Vdc

• Programming of parameters using free eCon software
• Battery backup RTC
• Overall dimensions: 96 x 96 x 77mm