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 241–264 of 421 results
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Omron SPDT Multi Function Time Delay Relay, ON/OFF Delay, 24 → 230 V ac, 24 → 48V dc 0.1 s → 120h,
VND2,181,796.32 -
Omron SPDT Multi Function Timer Relay, 12V dc 0.1 s → 10min, Panel Mount Mount
VND2,252,009.76 -
Omron SPDT Multi Function Timer Relay, 24 → 240V ac/dc 0.1 s → 100h, DIN Rail Mount
VND2,434,257.76 -
Omron SPDT Multi Function Timer Relay, 24 → 240V ac/dc 0.1 s → 100h, DIN Rail Mount
VND2,434,257.76 -
Omron SPDT Multi Function Timer Relay, 24 → 240V ac/dc 0.1 s → 1200h, DIN Rail Mount
VND2,942,058.24 -
Omron SPDT Multi Function Timer Relay, 24 → 240V ac/dc 0.1 s → 1200h, DIN Rail Mount
VND2,729,307.68 -
Omron SPDT Timer Relay, ON Delay, 110V ac 0.05 s → 300h
VND2,212,874.40 -
Omron SPDT Timer Relay, ON Delay, 24 → 240V ac/dc 0.1 s → 100h, DIN Rail Mount
VND1,703,922.88 -
Omron SPDT Timer Relay, Power OFF Delay, 200 → 240V ac 1 → 120s, DIN Rail Mount
VND3,238,642.88 -
Omron SPST Multi Function Timer Relay, 12 → 24V ac/dc 0.001 s → 9999h, Panel Mount Mount
VND7,634,080.96 -
Omron Timer Relay, 24 → 240V ac/dc
VND3,902,217.44 -
Omron Timer Relay, Flicker OFF, 100 → 240V ac 0.05 s → 30h
VND4,043,219.84 -
Omron Timer Relay, OFF Delay, 100 → 120V ac 0.05 → 12min
VND3,458,491.52 -
Omron Timer Relay, OFF Delay, 24V ac/dc 0.05 → 12min
VND3,338,975.20 -
Omron Timer Relay, ON Delay, 100 → 120V ac 1 → 30s, DIN Rail, Surface Mount Mount
VND3,811,093.44 -
Omron Timer Relay, ON Delay, 100 → 120V ac 2 → 60s, DIN Rail, Surface Mount Mount
VND3,420,315.36 -
Omron Timer Relay, ON Delay, 200 → 230V ac 0.5 → 10min, DIN Rail, Surface Mount Mount
VND0.00 -
Omron Timer Relay, ON Delay, 200 → 230V ac 0.5 → 10min, DIN Rail, Surface Mount Mount
VND1,982,090.88 -
Omron Timer Relay, ON Delay, 200 → 230V ac 0.5 → 10s, DIN Rail, Surface Mount Mount
VND1,982,090.88 -
Omron Timer Relay, ON Delay, 200 → 230V ac 1 → 30min, DIN Rail, Surface Mount Mount
VND1,982,090.88 -
Omron Timer Relay, ON Delay, 200 → 230V ac 2 → 60s, DIN Rail, Surface Mount Mount
VND3,420,315.36 -
Omron Timer Relay, ON Delay, 24 → 230 V ac, 24 → 48V dc 0.1 s → 120h, DIN Rail Mount
VND1,564,838.88 -
Omron Timer Relay, ON Delay, 24V dc 0.1 → 3min, DIN Rail, Surface Mount Mount
VND2,261,793.60 -
Omron Timer Relay, ON Delay, 24V dc 0.5 → 10s, DIN Rail, Surface Mount Mount
VND3,107,999.84
