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A compact totalizing counter module for printed circuit board or panel mounting. 8 digit, 8mm high, LCD display with backlight capability. An external lithium battery (not supplied), is normally used to support memory and counting. Current demand is typically 3µA quiescent, 6µA counting. Backlight requires additional current.
Unit of Measure

Technical Specs

Brands

 N/A
Veeder-Root

Model

 N/A 7999F8-302

Type

 N/A Totalizing Counter

Reset

 N/A Contact closure/open collector, negative edge triggered, 0.7v threshold, 18V maximum, 15mS minimum pulse

Operating Temperature

 N/A 32 to 122 ºF0 to 50 ºC

Display

 N/A 8 digit black LCD, 8mm characters with leading zero blanking

Direct Current (DC) Power Supply Voltage

 N/A 2.7 to 3.3 V

Current Consumption

 N/A 3μA quiescent, 6μA counting (typical); backlight 80 mA

Count Range

 N/A 99,999,999 display rollover to 0

Storage Temperature

 N/A -20 to 70 ºC-4 to 158 ºF

Additional Information

N/A Count speeds to 10kHz are possible. An internal contact-bounce filter allows accurate counting from switch or relay contacts.

Electrical connections are made via rear pins which may be soldered to a host printed circuit board or connected by pin terminals. A remote electronic reset to zero is provided.

An ideal choice where maximum display impact is wanted in a small area. Typical applications include test instruments, and cycle or event counting.

Features

N/A

  • 8 digit high contrast LCD characters
  • 8 mm high digit size
  • Quiescent current less than 3µA
  • Display backlight capability
  • Remote reset input