Counters

RS Components provides a versatile range of counters to suit a variety of devices and functions. With digital, electromechanical and purely mechanical counters available, RS provides a solution to industrial, commercial and project applications wherever precise counting and tallying is required. You'll find counters available from trusted brands such as Omron, Red Lion, Kubler, Hengstler and our own RS PRO selection.

Types of Counter

  • Digital counters - are electronic in design and will often have a digital display. These counters work off a latching circuit or "flip-flop" when the time gets to the set value the relay will switch from 1 position to the next (flip), then the next pre-set value it will switch back (flop). It latches in each position and holds it so that current can flow.
  • Asynchronous or ripple counters - consisting of a number of flip-flops these count a stream of pulses applied to the counter’s input. The output is a binary value whose value is equal to the number of pulses received.
  • Synchronous counters - provide a more reliable circuit for counting purposes, and for high-speed operation, as the clock pulses in this circuit are fed to every flip-flop in the chain at exactly the same time.
  • Decade counters - used to count decimal digits rather than binary.
  • Ring counters - have a cascade layout of flip-flops in a ring so that the output of the last is fed into the input of the first.
  • Mechanical counters - are built using mechanical components, They typically consist of a series of disks mounted on an axle, with the digits 0 through 9 marked on their edge.
  • Hour meters - are instruments used to track and record elapsed time, normally displayed in hours and tenths of hours. Most hour meters are used to log the running time of equipment for proper maintenance of devices or machines.

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Description Price Supply Voltage Count Mode Display Type Input Type Connection Type Reset Method Number of Digits Mounting Type Output / Interface Count Direction Digit Height Backlighting Maximum Count Frequency Display Range
RS Stock No. 742-3920
Mfr. Part No.XB5DSM
MYR681.98
Each
units
240 V ac - Analogue - - No Reset 5 Flush Mount - Up - - - 0 → 9999.9
RS Stock No. 181-2630
Mfr. Part No.XBKT81030U33E
MYR655.16
Each
units
100 V dc - - - - - - - - - - - - -
RS Stock No. 179-9456
Mfr. Part No.XBKH70000002M
MYR291.97
Each
units
230 V ac Hours Analogue Contact Screw - 7 Panel Mount - Up 5 mm - - 0 → 99999.99 h
RS Stock No. 179-9457
Mfr. Part No.XBKT81030U33E
MYR676.52
Each
units
3.6 V Battery Impulses LCD NPN, PNP Screw Manual, Transistor 8 Panel Mount - - 4 mm - 7500Hz 0 → 9999999
RS Stock No. 742-3927
Mfr. Part No.XB5DSG
MYR940.01
Each
units
120 V ac - Analogue - - No Reset 5 Flush Mount - Up - - - 0 → 9999.9
RS Stock No. 609-6388
Mfr. Part No.XB5DSB
MYR932.89
Each
units
12 → 24 V ac/dc Hours Mechanical Voltage Push On No Reset 5 Panel Mount - - - - - -