Sifam Tinsley

ND31

Sifam Tinsleys ND31 power quality meters with recording and MQTT (IIoT), BACnet/IP or Modbus TCP/IP protocols.

Measurement of 54 parameters, harmonics up to 63rd, MQTT protocol dedicated to IIoT applications, graphical screen-fully configurable by a user and very user- friendly www server interface - these are just some advantages of our new power network meter ND31 type.

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Measurement and recording of 54 power network parameters, including current and voltage harmonics up to 63rd, in 1-phase 2-wire or 3-phase 3- or 4-wire balanced and unbalanced systems.
Color 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 growthcurrent drop or growthphase losscurrent or voltage unbalancephase sequenceUser can specify:the thresholds of monitored eventsmonitoring of phase relaymemory of relay statedelay of switch-on/off relayrelay state after the event has occured.
Optional: analog output 0/4...20 mA and 2 x Pt100 inputs (e.g for measurement of transformer temperature).
Logging of up to 32 measured parameters in the internal memory 8 GB.
Digital output RS-485 - 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.

ND31 Data Sheet

ND31 User Manual

ND31 Normal/Lite Power Network Meters

Why choose Sifam Tinsley over other suppliers?

We offer the best of both worlds: the reliability of a brand with 75+ years of history and the agility of a local UK partner. Our dedicated research and development facility ensures we stay ahead of technology curves, while our local support team ensures you get the exact product you need when you need it.

Can Sifam Tinsley provide custom or bespoke products?

Absolutely. Our Braintree facility is not just a warehouse; it is a fully capable modification centre. We can offer bespoke metering products tailored to your exact specifications with realistic lead times, rather than just "off-the-shelf" solutions.

Where is Sifam Tinsley located?

Our UK headquarters, including our stocking and modification centre, is located in Braintree, Essex. This local facility allows us to provide rapid support and distribution to customers across the UK and beyond.

What types of products do you offer?

Our comprehensive range includes both traditional analogue indicators and modern digital solutions. Key product lines include multifunction meters, current transformers, transducers, isolators, temperature controllers, and energy metering systems.

Product Support

Industry-leading support and diagnostics

Sifam Tinsley products are backed by expert technical support, responsive diagnostics and dependable aftersales guidance. From specification advice through to fault-finding and ongoing performance support, our team helps you keep critical equipment operating accurately and reliably.

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Technical assistance, diagnostics insight and practical product support for demanding industrial applications.

ND31

Sales & Support

Product Support

Industry-leading support and diagnostics

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