Trumeter | Innovation by Design
Trumeter | Innovation by Design

7111 – Self-Powered Electronic Counter

Trumeter 7111 self powered electronic LCD counter

8 digit self powered electronic LCD counter

A compact LCD counter designed for many applications the 7111 has an 8 digit display and is self powered by an integrated battery with a 10-year life.

It has bi-directional counting of pulses up to 10kHz and screw terminals to ensure fast wiring. Other featured include backlight (external 5VDC supply required), decimal point selection, count direction indication and 9mm high digits.

Also available as high voltage version 7111HV




  • 9mm high contrast LCD display
  • 10 year battery life
  • Bi-directional counting
  • Counts pulses up to 10kHz frequency
  • External reset input.
  • CE, UL and cUL approved

PDF Datasheet

PDF Instructions

CE Certificate

REACH, WEEE and RoHS Documentation


Battery life

10 years


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

Count Range

99999999 display rollover to 0

Count Input

10kHz maximum, negative edge triggered, 0.7V threshold, 50µS minimum pulse length, TTL/CMOS Compatible

Reset Input

Negative edge triggered, 0.7V threshold, 15mS minimum pulse length, TTL/CMOS Compatible

Direction Input

Add=logic 1, Subtract=logic 0 (0V)

Operating Temp

-10°C to +60°C

Storage Temp

-20°C to +60°C


Clear polycarbonate

Environmental Protection




Ordering Information

7111 totalising counter
For High Voltage version see 7111HV




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