Trumeter | Innovation by Design
Trumeter | Innovation by Design


8 digit self powered electronic LCD counter

Trumeter 7111 self powered electronic LCD counter

8 digit liquid crystal display counter, self powered with a 10 year battery life.

A compact LCD counter designed for many applications, screw terminals ensures fast wiring and features including backlight (external 5VDC supply required), decimal point selection, count direction indication and 9mm high digits.


  • 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


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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