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Timers & 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 Baumer, Omron, Red Lion, Kubler, Hengstler, Trumeter and our own RS PRO selection.Functions of CountersDigital Counters, Mechanical Counters, Electronic Counters and Hour Meters store and display the frequency of an ocurring process, normally synchronized with a clock. For example, Electronic Counters in particular follow a sequential logic circuit which has a clock input signal. Industrial applications of counting devices are used to measure:LengthImpulsesTime elapsedPosition IndicationSwitching and controlTypes of CounterDigital 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.Applications:Applications of industrial counters include:AutomationMachine BuildingEnergy ManagementMedicalTransportationBrowse the broad range of high quality Counters RS Components have to offer and order today for free next day delivery.

Showing 265–288 of 421 results

Price Latest Popularity Relevance
  • Product image for 4Pfunction timer,0.1sec-10min 100-120Vac

    Omron Multi Function Timer Relay, 100 → 120V ac 0.1 s → 10min

    RS Stock No.
    3491308
    Brand
    Omron
    Mfr. Prt No.
    H3YN-4 AC100-120
    VND
    2,736,597.60
  • Product image for 8 DIGIT LCD COUNTER,LI BATTERY

    Hengstler TICO 731 Counter, 8 Digit, 7.5kHz

    RS Stock No.
    2274815
    Brand
    Hengstler
    Mfr. Prt No.
    0 731 101
    VND
    2,748,491.68
  • Product image for Time delay relay, SPDT, 15 A, DIN rail

    Schneider Electric SPDT Multi Function Timer Relay, Interval, 12 → 240V ac/dc, DIN Rail Mount

    RS Stock No.
    8148447
    Brand
    Schneider Electric
    Mfr. Prt No.
    821TD10H-UNI
    VND
    2,755,589.76
  • Product image for CTR24 Impulse Counter, Battery, PNP/NPN

    Crouzet CTR24 Counter, 8 Digit, 30 V dc, 260 V ac

    RS Stock No.
    7259574
    Brand
    Crouzet
    Mfr. Prt No.
    87622061
    VND
    2,772,855.36
  • Product image for SPDT asymmetrical timer,0sec-100hr

    Crouzet SPDT Timer Relay, Asymmetrical, 24 → 240 V ac, 24V dc 0.1 s → 100h, DIN Rail Mount

    RS Stock No.
    7740323
    Brand
    Crouzet
    Mfr. Prt No.
    88827155
    VND
    2,776,116.64
  • Product image for DPDT 4 FUNCTION TIMER,0.1MIN-10HR 24VAC

    Omron Multi Function Timer Relay, 24V ac 0.1 min → 10h

    RS Stock No.
    2361341
    Brand
    Omron
    Mfr. Prt No.
    H3YN-21 AC24
    VND
    2,778,802.40
  • Product image for DPDT Star Delta Timer,240-440Vac/dc

    Omron Timer Relay, Star Delta, 240 → 440V ac 1 → 12s, DIN Rail Mount

    RS Stock No.
    7334925
    Brand
    Omron
    Mfr. Prt No.
    H3DKGEAC240440
    VND
    2,780,337.12
  • Product image for TMR48A 8 pin analogue electronic timer

    Crouzet DPDT Timer Relay, ON Delay, 12 → 240 V dc, 24 → 240V ac 0.02 → 300 h, 0.02 → 300

    RS Stock No.
    4676897
    Brand
    Crouzet
    Mfr. Prt No.
    88886106
    VND
    2,780,720.80
  • Product image for Time Relay ON-delay 1x CO, Screw

    Siemens SPDT Timer Relay, ON Delay, 12 → 240V ac/dc 0.5 → 10s

    RS Stock No.
    8316019
    Brand
    Siemens
    Mfr. Prt No.
    3RP2511-1AW30
    VND
    2,799,137.44
  • Product image for Counter, 6 Digit, 48x48, 230V

    RS PRO Counter Counter, 6 Digit, 20kHz, 230 V ac

    RS Stock No.
    8086605
    Brand
    RS PRO
    VND
    2,812,374.40
  • Product image for MUR3 SPDT 10 function timer,1sec-100hr

    Crouzet SPDT Multi Function Timer Relay, 12 → 240V ac/dc 0.1 s → 100h, DIN Rail Mount

    RS Stock No.
    7740301
    Brand
    Crouzet
    Mfr. Prt No.
    88827103
    VND
    2,831,366.56
  • Product image for RQR1 Star-Delta Timer 24VDC/24-240VAC

    Crouzet Multi Function Timer Relay, Star Delta, 24 V dc, 24 → 240V ac 0.1 s → 100h, DIN Rail Mount

    RS Stock No.
    8377471
    Brand
    Crouzet
    Mfr. Prt No.
    88866175
    VND
    2,849,207.68
  • Product image for DPDT Multifunction Timer,24-240Vac/dc

    Omron Multi Function Timer Relay, 24 → 240V ac/dc 0.1 → 1.2 s, 1 → 12h, DIN Rail Mount

    RS Stock No.
    7334962
    Brand
    Omron
    Mfr. Prt No.
    H3DK-S2 AC/DC24-240
    VND
    2,863,595.68
  • Product image for SKEWERABLE TIMER

    Omron Multi Function Timer Relay, 12V dc 0.1 min → 10h

    RS Stock No.
    2361329
    Brand
    Omron
    Mfr. Prt No.
    H3YN-21 DC12
    VND
    2,866,665.12
  • Product image for SPDT 3 function timer,.05sec-300hr

    Omron Multi Function Timer Relay, 24 → 48V ac/dc 0.05 s → 300h

    RS Stock No.
    0328386
    Brand
    Omron
    Mfr. Prt No.
    H3CR-A8E AC/DC24-48
    VND
    0.00
  • Product image for 6 DIGIT RESET PANEL MOUNT COUNTER,24VDC

    Hengstler 864 Counter, 6 Digit, 25Hz, 24 V dc

    RS Stock No.
    0260640
    Brand
    Hengstler
    Mfr. Prt No.
    0 864 165
    VND
    2,894,673.76
  • Product image for SPDT Multifunction Timer,24-240Vac/dc

    Omron SPDT Multi Function Timer Relay, 24 → 240V ac/dc 0.1 s → 1200h, DIN Rail Mount

    RS Stock No.
    7334956
    Brand
    Omron
    Mfr. Prt No.
    H3DK-M1 AC/DC24-240
    VND
    2,942,058.24
  • Product image for CT-WBS.22S Time relay, Impulse & flasher

    ABB DPDT Multi Function Timer Relay, 24 → 240 V ac, 24 → 48V dc 0.05 s → 300h, DIN Rail Mount

    RS Stock No.
    7466993
    Brand
    ABB
    Mfr. Prt No.
    1SVR730040R3300 CT-WBS.22S
    VND
    2,942,441.92

  • Hengstler TICO 731 Counter, 8 Digit, 30Hz

    VND
    0.00
  • Product image for Delay relay 10 functions - 1 s-100h

    Schneider Electric SPDT Multi Function Timer Relay, 12 → 240V ac/dc 0.1 s → 100h, DIN Rail Mount

    RS Stock No.
    7912749
    Brand
    Schneider Electric
    Mfr. Prt No.
    RE17RMMW
    VND
    2,955,487.04

  • Hengstler 864 Counter, 6 Digit, 60Hz, 240 V ac

    VND
    0.00
  • Product image for Digital Timer, 35x77, 24V ac/dc

    RS PRO Multi Function Timer Relay, 24V ac/dc, Panel Mount Mount

    RS Stock No.
    1241078
    Brand
    RS PRO
    VND
    3,009,585.92
  • Product image for Digital Timer, 35x77, 230V ac

    RS PRO Multi Function Timer Relay, 230V ac, Panel Mount Mount

    RS Stock No.
    1241077
    Brand
    RS PRO
    VND
    3,009,585.92