Trumeter | Innovation by Design
Trumeter | Innovation by Design

HED 261

8 Digit panel mount counter 24mm X 48mm

hed-261

24 X 48mm 8 digit totalising counter suitable for many OEM applications. Ideal for contact closure and reed switch signal inputs. panel mounted or PCB mounted and with high speed input 10kHz or a slow speed debounced input 30Hz.

These miniature 8 digit totalising counters are suitable for either direct PCB mounting or panel mounting.

Features

  • Uses the latest CMOS circuitry to achieve very low quiescent current consumption
  • 8mm black character high contrast LCD display
  • Backlit version HED261-T
  • Counts pulses up to 10kHz frequency
  • External reset input
  • UL and cUL/CSA approved

PDF Instructions

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Specification

Supply Voltage

2.7-3.3 VDC

Display

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

Count Range

0-99999999

Count Input

High speed input (pin3) 10kHz max positive edge triggered, 0.7V threshold 18V max, 50uS min pulse width
Contact closure open collector input (pin2). 30Hz max, negative edge triggered, 0.7V threshold 18V max, 15mS min pulse width

Reset Input

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

Operating Temp

-10°C to +50°C

Storage Temp

-20°C to +70°C

Ordering Information

HED261-T

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