Compact and lightweight with a rugged housing, the RD4 is ideal for use where space is limited e.g. vehicle dashboard. A simple serial ASCII protocol and two user definable function keys allow easy integration into a wide variety of applications.

Developed to meet the rigours of automotive proving grounds these displays offer exceptional performance over an extended temperature range (-40C to 85C). High brightness and auto dimming combine to ensure this display excels in changing ambient lighting conditions. The RD4 features a programmable audio/visual alarm.

Compact and rugged

High brightness (sunlight readable)

Simple ASCII command set

Audio and visual alarms

Viewing angle (>70)

Programmable function buttons

-40C to 85C operation



Display Type Capacity

High intensity seven segment LED 4 x 4 characters + channel ID

Viewing Angle


Refresh Rate

2 Hz

Power Comms

5V to 10V Circular 4 pin plug power and comms

Operating Temperature

-40C to 85C

Storage Temperature

-40C to +90C



Sampling Rate

40/sec (10x4 channels in parallel)

Case Material

Non reflective high impact matt black polycarbonate


153mm x 42mm x 56mm (including sun visor)


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