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    Counters

    Digital Counters, also known as Mechanical Counters, Electronic Counters or Hour Meters, track and display the frequency of a repeating process, typically synchronised with a clock. Specifically, electronic counters utilise a sequential logic circuit that processes a clock input signal.

    What Do Counters Measure

    Counters serve as essential tools in monitoring systems, providing accurate counts of items, events, or processes over specified intervals. These devices are integral in ensuring precise quantification in manufacturing lines, timing mechanisms in electronics, and data collection in scientific research. By converting physical or electrical inputs into countable data, they help in maintaining efficiency and quality control across various industries.

    Industrial applications of counting devices are used to measure:

    • Length
    • Impulses
    • Time elapsed
    • Position Indication
    • Switching and control

    Different Types of Counters

    Digital Counters

    Digital counters, including digital counter relays, are based on electronic mechanisms and commonly include a digital interface. They utilise a latching circuit that alternates states in a flip-flop sequence to maintain current flow through each state. These are widely used in industrial environments to count products on assembly lines.

    Asynchronous or Ripple Counters

    These counters consist of a series of flip-flops that count input pulses and display them as a binary number. Asynchronous counters are essential for devices like digital clocks, where they track the passage of time in seconds, minutes, and hours.

    Synchronous Counters

    Offering more precision, synchronous counters align all clock pulses to each flip-flop simultaneously. This synchronisation makes them the ideal solution for digital systems requiring exact timing, such as synchronous data transmission systems.

    Decade Counters

    Unlike binary counters, decade counters tally up to ten (a decimal count) and reset. This type is often used in digital frequency counters where they facilitate the direct reading of frequencies, making them user-friendly for various technological applications.

    Ring Counters

    In a ring counter, several flip-flops are connected in a circular sequence where the output of the last flip-flop is the input to the first, forming a continuous loop. This type of counter is useful in applications that need cyclic sequential operations, like position encoding in robotics.

    Mechanical Counters

    Constructed from mechanical parts, these counters often feature rotating disks with numbers. Mechanical counters are typically found in older equipment and vehicles, such as odometers in vintage cars, to measure distance.

    Hour Meters

    Hour meters or hour counters track and record elapsed time, primarily in hours and tenths of hours. These are crucial for monitoring the operational periods of industrial machines to schedule maintenance and ensure efficient performance over time.

    How to Choose the Right Supply Voltage for Your Counter

    To ensure you select the right supply voltage for your counter, it's essential to follow a methodical approach. Here’s a guide:

    Assess Your Application Needs

    First, determine the primary function of the counter within your system. Consider whether the counter will be used in high-demand settings or for general purposes. This will guide the type of counter and the voltage specifications it might require.

    Check the Counter Specifications

    Examine the specifications of the counters you are considering. Look for information on rated supply voltage and ensure it matches or exceeds the operational voltage range of your application.

    Consider Compatibility with Existing Systems

    Ensure that the counter’s voltage requirements are compatible with other components in your system. This prevents issues like over-voltage or under-voltage that could lead to malfunction or damage.

    Decide Between AC and DC Counters

    Decide whether a DC counter or an AC-based counter is more appropriate for your needs based on the primary power sources available in your environment and the nature of the load.

    Evaluate Environmental Factors

    Environmental conditions such as temperature, humidity, and potential electrical interference can affect the performance of a counter. Choose a counter that can operate effectively within the environmental constraints of its intended location.

    Review Safety and Compliance Standards

    Ensure that the counter complies with local and international safety standards relevant to its intended use, particularly concerning its supply voltage.

    **Buy Counter Equipments Online at RS **

    RS provides a versatile range of counters to suit a variety of devices and functions. You'll find counters available online from trusted brands such as Baumer, Omron, Red Lion, Kubler, Hengstler, Trumeter and our own RS PRO selection.

    How to Order Counters from RS?

    When it comes to purchasing counters, RS stands as a reliable supplier of high-quality counting solutions. We offer a diverse selection of counters, including digital, electromechanical, and mechanical models, suitable for various industrial, commercial, and project needs. You can easily place your order through our website for hassle-free delivery, or give us a call for bulk orders.

    How Delivery Works at RS Hong Kong

    At RS Hong Kong, we ensure that your orders for counters are processed quickly and efficiently. Whether you need standard of expedited shipping, you can be sure that your orders will arrive on-time when you need them. For more details about our delivery options and pricing, please check our delivery information page.

    776 產品顯示為 Counters

    • RS庫存編號 704-0718
    • 製造零件編號 1.230.210.033
    HK$547.30
    Kübler
    -
    24 V dc
    Impulses
    -
    Counter
    Voltage
    Push On
    Manual
    6
    Panel Mount
    -
    -
    4.5 mm
    25Hz
    -
    -
    -
    -
    • RS庫存編號 653-7592
    • 製造零件編號 LD200400
    HK$5,557.50
    Red Lion
    -
    -
    Seconds
    LED
    Counter
    Logic
    Screw
    Manual
    4
    Panel Mount
    Relay
    Bi-Directional
    57 mm
    35kHz
    -
    -
    -
    0 → 99999
    • RS庫存編號 725-9672
    • 製造零件編號 99772710
    HK$311.40
    Crouzet
    -
    20 → 30 V ac
    Hours
    Mechanical
    Hour Meter
    Voltage
    Screw
    No Reset
    7
    Panel Mount
    Relay
    Up
    4 mm
    -
    -
    -
    -
    -
    • RS庫存編號 436-0249
    • 製造零件編號 6.131.012.851
    HK$643.70
    Kübler
    -
    4 → 30 V dc
    Impulses
    LCD
    Counter
    Voltage
    Screw
    Electrical, Manual
    8
    Panel Mount
    -
    Bi-Directional
    8 mm
    12kHz
    -
    -
    -
    -9999999 → 99999999
    • RS庫存編號 365-6274
    • 製造零件編號 EMC 1500
    HK$435.10
    Lascar
    -
    27 V dc
    -
    LCD
    Hour Meter
    Voltage
    Screw
    Automatic
    5
    Panel Mount
    Pulse
    Up
    9 mm
    -
    -
    -
    -
    9999.9 → 99999
    • RS庫存編號 348-2130
    • 製造零件編號 H7ER-NV-BH
    HK$927.50
    Omron
    Backlighting
    4.5 → 30 V dc
    Seconds
    LCD
    Tachometer
    Voltage
    Screw
    No Reset
    4
    Panel Mount
    -
    -
    8.6 mm
    1kHz
    -
    -
    -
    0 → 9999
    • RS庫存編號 440-9704
    • 製造零件編號 1.710.200.013
    HK$216.60
    Kübler
    -
    24 V dc
    Impulses
    -
    Counter
    Voltage
    Flying Lead
    No Reset
    7
    Panel Mount
    -
    Up
    4 mm
    10Hz
    -
    -
    -
    -
    • RS庫存編號 433-3786
    • 製造零件編號 6.130.012.862
    HK$815.10
    Kübler
    Backlighting
    4 → 30 V dc
    Impulses
    LCD
    Counter
    Voltage
    Screw
    Electrical, Manual
    8
    Panel Mount
    -
    Bi-Directional
    8 mm
    12kHz
    -
    -
    -
    -9999999 → 99999999
    • RS庫存編號 433-3792
    • 製造零件編號 6.130.012.863
    HK$1,123.39
    Kübler
    Backlighting
    10 → 260 V ac/dc
    Impulses
    LCD
    Counter
    Voltage
    Screw
    Electrical, Manual
    8
    Panel Mount
    -
    Bi-Directional
    8 mm
    30Hz
    -
    -
    -
    -9999999 → 99999999
    • RS庫存編號 726-3273
    • 製造零件編號 99793710
    HK$474.70
    Crouzet
    -
    24 V ac
    Hours
    Mechanical
    Hour Meter
    Voltage
    Screw
    No Reset
    7
    DIN Rail
    -
    Adding
    3.5 mm
    -
    -
    -
    -
    99999.99
    • RS庫存編號 669-9322
    • 製造零件編號 6.923.0100.300
    HK$1,684.80
    Kübler
    -
    10 → 30 V dc
    Frequency, Pulse, Time
    LCD
    Counter
    Voltage
    Screw
    Gate, Lock
    6
    Panel Mount
    Relay
    Bi-Directional
    -
    65kHz
    -
    -
    -
    -999999 → 999999
    • RS庫存編號 436-3765
    • 製造零件編號 6.135.012.863
    HK$1,074.90
    Kübler
    Backlighting
    10 → 260 V ac/dc
    -
    LCD
    Timer
    Voltage
    Screw
    Electrical, Manual
    8
    Panel Mount
    -
    -
    8 mm
    -
    -
    -
    -
    0 → 99999999
    • RS庫存編號 436-2324
    • 製造零件編號 6.134.012.863
    HK$920.90
    Kübler
    Backlighting
    10 → 260 V ac/dc
    -
    LCD
    Hour Meter
    Voltage
    Screw
    Electrical, Manual
    8
    Panel Mount
    -
    -
    8 mm
    -
    -
    -
    -
    0 → 99999.99
    • RS庫存編號 725-9381
    • 製造零件編號 87621121
    HK$2,822.70
    Crouzet
    Backlighting
    30 V dc
    Hours
    LCD
    Counter
    Voltage
    Screw
    Manual, Signal
    6
    Panel Mount
    Relay
    Directional, Phase, Up
    9 mm
    40kHz
    -
    -
    -
    -999999 → 999999
    • RS庫存編號 440-9681
    • 製造零件編號 1.710.200.012
    HK$216.60
    Kübler
    -
    12 V dc
    Impulses
    -
    Counter
    Voltage
    Flying Lead
    No Reset
    7
    Panel Mount
    -
    Up
    4 mm
    10Hz
    -
    -
    -
    -
    • RS庫存編號 704-0670
    • 製造零件編號 3.474.901.084
    HK$293.25
    Kubler
    -
    100 → 130 V ac
    -
    -
    Hour Meter
    Voltage
    Screw
    No Reset
    7
    -
    -
    -
    4 mm
    60Hz
    -
    -
    -
    0 → 99999.99
    • RS庫存編號 440-9669
    • 製造零件編號 3.060.200.383
    HK$281.60
    Kübler
    -
    4.5 → 35 V dc
    -
    -
    Hour Meter
    Voltage
    Wire Lead
    No Reset
    7
    Panel Mount
    -
    -
    4 mm
    -
    -
    -
    -
    0 → 99999.99
    • RS庫存編號 882-6992
    • 製造零件編號 7400AS
    HK$250.60
    Trumeter
    -
    2.6 → 3.4 V dc
    Pulse
    LCD
    Counter
    Voltage
    -
    External, Negative Edge Triggered, Push Button
    8
    PCB Mount
    CMOS
    Bi-Directional
    8 mm
    10kHz
    -
    -
    -
    -
    • RS庫存編號 611-7592
    • 製造零件編號 K3HB-CNB 100-240VAC
    HK$5,994.20
    Omron
    Backlighting
    24 V ac/dc, 100 → 240 V ac
    Minutes
    LCD
    Counter
    Pulse
    Screw
    -
    5
    -
    Relay, Transistor
    Down, Up
    14.2 mm
    50kHz
    -
    -
    -
    -19 999 → 99 999
    • RS庫存編號 815-8356
    • 製造零件編號 HED251-T
    HK$250.60
    Trumeter
    Backlighting
    3 V dc
    Impulses
    LCD
    Counter
    Voltage
    Pin
    Electrical
    4
    Panel Mount, PCB Mount
    Pulse
    -
    10 mm
    10kHz
    -
    -
    -
    0 → 9999
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