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          LCD Display Electronic Preset CounterRC series

          RC2-21K

          72-mm□ 5-digit 7-segment LED, One-stage Preset, AC Power Supply

          SPECIFICATIONS

          Select Language

          Model

          RC2-21K

          Operation method

          Addition, subtraction, addition and subtraction

          Operation mode

          Overcount, auto-reset, rotary, comparator

          Return method

          Manual, External, Automatic (auto-reset)

          Display power

          7-segment LED (character height: 14 mm)

          Number of digits

          5 (with zero-suppress function) -9999 to 99999*1

          Prescale function

          A

          1 pulse → 1 to 99 counts

          B

          1 to 99999 pulses → 1 count

          Power off memory time

          Lithium battery (service life: Approx 10 years at 20°C)

          Mounting method

          Flush (panel) mounting

          Input

          System

          Individual, command, phase differential

          External calibration input signal

          Signal

          Non-voltage input (contact or solid-state) (Count input, inhibit input, reset input)

          Highest counting speed

          Contact input: 50 c/s.
          Solid-state: 500 c/s, 5 kc/s, 50 kc/s selectable (ON/OFF ratio=1:1)

          Control output

          One-shot output time

          0.01 s to 9.99 s (variable)

          Solid-state

          Contact: 13 ms (50 c/s mode)
          4 ms (500 c/s mode)
          4 ms (5 kc/s mode)
          4 ms (50 kc/s mode)

          DC output

          12 VDC ± 10%, 100 mA maximum

          Rating

          Power voltage

          100 to 240 VAC ±10 %, 50/60 Hz

          Power consumption

          12VA or less

          Environmental resistance

          Insulation resistance

          100 MΩ min. at 500 VDC megger (across terminal and housing)

          Noise resistance

          Square-wave noise by noise simulator: 1 kV p-p, 1 µs (across power terminals)

          Environmental resistance

          Ambient temperature

          0 to +50 °C

          Relative humidity

          35 to 85 % RH (No condensation)

          Withstand voltage

          500 VAC, for 1 minute (across external AC terminal)

          Weight

          Approx. 320 g

          *1 Display uses the zero suppression method.

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