London Electronics Ltd : UK designed and built
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Easy to use, saving valuable time for busy engineers since 1992

Large digit counter, totalizer, RPM and production rate displays

New: Versions now available with Atex certification


Large digital counter / totalizer / rate meter with 4 inch digits


Useful functions in our large display range...


Large display model number creator









Large range of LED totalizer, rate, RPM displays, designed and built in the UK, let you clearly see important information from a distance.

These large pulse input counter and rate meters displays accept most industrial signals such as NPN, PNP, contact closure, quadrature, PLC 24V etc.

Large digital counter / totalizer / rate meter with 2 inch digits

Standard large digital pulse-input LED display capabilities

  • 24V DC sensor power voltage provided as standard
  • Scalable totaliser / counter with 1-4 input channels
  • Scalable production rate meter, with adjustable averaging and sampling period
  • Scalable frequency meter for showing generator Hz.
  • Scalable RPM display, 1 up to 5000 pulses per rev.
  • Scalable quadrature counter for showing distance or angle
  • Dual input UP/DOWN counter for showing Produced-Rejects
  • Non-volatile memory of achieved total
  • Designed and built by us
  • Sealed IP65 all round
  • 3 year warranty



New: Ex nR Atex counters, totalizers, rate meters

ExnR zone 2 atex certified large digital counters, totalizers, rate meters ExnR zone 2 atex certified large digital and text counters, totalizers, rate meters



For hazardous areas we can offer the following explosion proof options on most counters, totalizers, rate meters. Tell us what you need and we will be pleased to quote for Atex certified systems
  • Zone 1 ii 2 G Ex px iiC T6/T5/T4 Gb *
  • Zone 2 ii 3 G Ex nR iiC T6/T5/T4 Gc **
  • EXD Zone 2 on request - POA

* - Requires pressurised air system
** - any product

Ex nR certified large digital displays


The London Electronics ATEX certified counters, totalizers, rate meters are supplied certified for use in the condition in which they are supplied. No liability will be assumed for any loss or damages of any nature, direct or indirect, including any loss of profits or consequential damages, injury or death suffered or incurred by the buyer as a consequence of failure to install, use and/or apply the product within the scope of the installation document and certification supplied.


Large LED display Output Options

Our displays are modular and have a wide range of useful plug-in output options:-

  • 0-10V, isolated and fully scalable
  • 4-20mA, isolated and fully scalable
  • RS232 serial data
  • RS485 serial data
  • Ethernet TCP/IP
  • 2 Alarm relays
  • 4 Alarm relays


The reading can be precisely scaled and the decimal point position is selectable.

If it's important and you want everyone to know about it, display it on a Fusion Large display...

A portable test jig by Aqualogy, including a 57mm Fusion large display counter during work for Welsh Water. This system is used in an innovative system to clean pipes out by forcing a plug of compressed ice slurry through the system....
Large display totalizer in an ice pigging test jig

We made this custom production display using standard Fusion large displays...

Custom made production performance display

Top features of our Large displays:
  • Easy to use - a clear, simple setup method makes them stress-free
  • Sealed IP65 as standard for outdoor or food processing use.
  • Viewing distances available from 25m up to 160m
  • Wall, Suspension or panel mounting
  • 95-265V AC or 11-30V DC power supply
  • Alarm output relays, analog output and comms output options
  • Wide choice of display colours


What size characters do I need?

With London Electronics displays, you have a wide choice of character heights for different viewing distances.

You should measure the maximum viewing distance you'll need, and use this chart to work out the ideal character size for you.

This will make sure you won't have to struggle to read the display. And, you won't pay too much for a display which is bigger than you need.


Download this viewing distance chart - click to download...

Viewing distance for large led displays





cloud based data logger and trend analysis system

The largest versions are ideal for use in large factories and outdoor installation

Very large displays

   Download our guide with ideas on how to improve the efficiency of your operation...
Ideas for improving the efficiency of your factory





Suspension mounting brackets
Click to download engineering drawing...

Suspension mounting bracket for Fusion Large Digit displays


The optional wired Remote Programmer for the Fusion series, model RPFUSION, is supplied complete with 2m of cable and circular 5 pin connector.

Displays have programming buttons on their front panels, but if a display is mounted high up, this remote programmer may be useful.

Fusion large display remote programmer module





30 years of digital panel meter and large digital display design, manufacture and export

Tech events during our 30 years in business
1992 : World Wide Web becomes widely available
1993 : Email widely adopted, PDF files
1994 : First EU car with SatNav as standard
1995 : PHP and Apache web server released
1996 : USB port widely adopted.
1997 : Broadband replaces dial-up, Netflix
1998 : Google, Digital terrestrial TV
1999 : Wifi networks available, IoT born
2000 : USB Flash drive / memory stick
2001 : The dotcom crash
2002 : The wireless headset developed
2003 : Hybrid cars, Human Genome project
2004 : Honda's Asimo running robot
2005 : Youtube video hosting service
2006 : Nintendo Wii released
2007 : iPhone - the 1st smartphone, Facebook
2008 : Android operating system released
2009 : Mobile phone apps become widely available
2010 : Instagram
2011 : Raspberry Pi computer announced
2012 : Voyager 1 leaves solar system
2013 : Whatsapp
2014 : The year Virtual Reality became popular
2015 : Apple Pay launched
2016 : 1st Amazon parcel delivered by drone
2017 : Blockchain gains traction
2018 : First rover to land on an asteroid
2019 : Quantum computer beats 'normal' computer
2020 : First private owned human space flight
2021 : First aerodynamic flight on Mars
2022 : Webb telescope deployed at L2

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