Trumeter | Innovation by Design
Trumeter | Innovation by Design

7511 – Self-Powered LCD Electronic Timer

Trumeter 7511 Electronic Counter

Compact 8 digit LCD electronic timer

The 7511 8 digit liquid crystal display timer is self-powered by an internal battery with a 10-year life. It is an ideal electronic timer for panel mounting and its range of features make it an ideal totalising timer for a breadth of applications. Features include 4 timing modes, timing direction indication, LCD display with 9mm high digits and backlighting (external 5VDC supply required).

The 7511 timer is also available with a high voltage input – the 7511HV self-powered totalising timer with high voltage input.

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  • 9mm high contrast LCD display
  • 10 year battery life
  • Minimum contact closure time 1 second
  • 4 timing modes
  • Times up or down
  • External reset input
  • CE,UL and cUL approved

PDF Data Sheet

PDF Instructions

CE Certificate

REACH, WEEE and RoHS Documentation


Ordering Information

7511 – Totalising timer



Average 10 years life span


8 digit black LCD, 9mm characters with leading zero blanking

Timing Ranges

Seconds, minutes and seconds, hours and 1/100ths and hours and minutes

Timing Input

Sink signal (NPN) 18VDC maximum threshold 1VDC negative edge trigger

Reset Input

Sink signal (NPN) 18VDC maximum threshold 1VDC negative edge trigger

Direction Input

Up not connected down connected to common

Accuracy (at 25 deg C)


Temperature drift

0.034 PPM/deg C


<2 PPM/year

Operating Temp

-10°C to +60°C

Storage Temp.

-20°C to +60°C


Clear polycarbonate

Environmental Protection







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