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Large digit engine power displays, kW, HP or BHP

New: Versions now available with Atex certification



Large digit engine test bed display for power, showing HP, BHP or kW



This versatile, high precision power measuring display takes two digital signals (RS485) from our INT4-L Torque and INT4-C RPM meters and computes kW, HP or BHP with extremely high precision.

It can provide serial data out to your data acquisition system and can be combined with our INT4-P Pressure and temperature displays so you can measure, display and record any important physical variable.

Ideal for internal combustion, electric, renewable and stored-energy motors.

We can also display your digital data, if you already have a computed value for HP, BHP or kW. We can accept RS232, RS485, Ethernet TCP/IP, USB etc.

We can also display RPM, Torque, Oil pressure, Oil temperature, Inlet temperature, Inlet pressure, Exhaust temperature, Boost pressure etc.

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


New: Ex nR Atex large engine test bed power displays

ExnR zone 2 atex certified large digital large engine test bed power displays ExnR zone 2 atex certified large digital and text large engine test bed power displays



For hazardous areas we can offer the following explosion proof options on most large engine test bed power displays. 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 large engine test bed power displays 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.


Top features of our Large displays:
  • 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


Large display Output Options

Our large displays also have a wide range of useful output options:-

  • 0-10V, isolated and fully scalable
  • 4-20mA, isolated and fully scalable
  • 2 Alarm relays
  • 4 Alarm relays
  • RS232
  • RS485



What size characters do I need?

With London Electronics large digital 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 calculator 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.





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

Viewing distance for large led displays








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
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1999 : Wifi networks available, IoT born
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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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