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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 818-4617
    • 製造零件編號 ZH2FBB
    HK$318.70
    GIC
    -
    10 → 80 V dc
    -
    LCD
    Counter
    Voltage
    Terminal
    Electrical
    6
    Flush Mount, Panel Mount
    -
    -
    -
    30Hz
    -
    -
    -
    999999
    • RS庫存編號 905-5674
    • 製造零件編號 PAXLPT00
    HK$2,799.20
    Red Lion
    -
    -
    -
    LED
    Counter
    -
    Terminal
    -
    6
    Panel Mount
    -
    -
    14.2 mm
    -
    -
    -
    -
    0 → 999999
    HK$1,179.30
    Wachendorff
    -
    24 → 230 V ac/dc
    -
    LED
    Counting Direction, Hold, Setpoint Output, Stop, Wait
    Transistor
    Screw
    -
    8
    Panel Mount
    Analogue
    Bi-Directional
    10.2 (Upper) mm, 7.6 (Lower) mm
    100kHz
    -
    -
    28.5 x 70.5 mm
    -
    • RS庫存編號 861-9854
    • 製造零件編號 BW 70.18 24V
    HK$287.91
    Muller
    -
    24 V ac
    -
    -
    Hour Meter
    Voltage
    Screw
    No Reset
    7
    DIN Rail
    -
    -
    -
    50Hz
    -
    -
    -
    -
    HK$2,931.19
    Hengstler
    Backlighting
    100 → 240 V ac
    -
    LCD
    Batch Counter, Shift Counter, Tachometer, Timer
    Logic
    Cable
    Automatic, Electrical, Manual
    6
    Panel Mount
    Relay, RS232 Interface
    Uni-Directional
    7.2 (Second Line) mm, 9.3 (First Line) mm
    60kHz
    -
    -
    45 x 45 mm
    -
    HK$416.80
    Trumeter
    -
    -0.5 → 30 V dc, 300 V ac/dc
    Hours
    LCD
    Hour Meter
    Voltage
    Terminal Block
    Manual, No Reset, Remote
    7 (Annunciators Icon), 8 (Figure)
    Panel Mount
    Voltage
    -
    2 (Annunciators Icon) mm, 8 (Figure) mm
    -
    -
    -
    45.5 x 22.6 mm
    -
    HK$416.80
    Trumeter
    -
    -0.5 → 30 V dc, 300 V ac/dc
    Hours
    LCD
    Hour Meter
    Voltage
    Terminal Block
    Manual, No Reset, Remote
    7 (Annunciators Icon), 8 (Figure)
    Panel Mount
    Voltage
    -
    2 (Annunciators Icon) mm, 8 (Figure) mm
    -
    -
    -
    45.5 x 22.6 mm
    -
    • RS庫存編號 915-5922
    • 製造零件編號 3.240.201.084
    HK$338.30
    Kübler
    -
    100 → 130 V ac
    Hours
    Analogue
    Hour Meter, Timer
    Voltage
    Screw
    No Reset
    7
    Panel Mount
    -
    -
    4 mm
    60Hz
    -
    -
    45 x 22.2 mm
    -
    HK$3,016.30
    Red Lion
    -
    85 → 250 V ac
    -
    LED
    Counter, Dual Counter, Rate Meter, Slave Display
    Logic, Voltage
    Plug-in Terminal
    No Reset
    5
    DIN Rail
    Alarm
    -
    -
    -
    -
    -
    1/8 DIN in
    -
    HK$2,184.50
    Red Lion
    -
    21.6 → 250 V dc, 50 → 250 V ac
    -
    LED
    Counter, Rate Meter
    Logic, Voltage
    Cage Clamp
    Manual
    6
    Panel Mount
    Voltage
    Bi-Directional
    14.2 mm
    25kHz
    -
    -
    92 x 45 mm
    -
    • RS庫存編號 905-5649
    • 製造零件編號 PAXC0030
    HK$2,464.70
    Red Lion
    -
    24 V ac, 11 → 36 V dc
    -
    LCD
    Counter
    Logic, Voltage
    Plug-in Terminal
    No Reset
    8
    DIN Rail
    Alarm
    -
    -
    -
    -
    -
    1/8 DIN in
    -
    • RS庫存編號 914-8498
    • 製造零件編號 SLIK-N118-1521-1-4-001
    HK$3,234.10
    Simex
    -
    230 V ac
    Pulse
    LED
    Counter
    Pulse, Voltage
    Screw
    Automatic, Manual
    6
    Panel Mount
    Relay, RS485 Interface
    Down, Up
    13 mm
    5 kHz, 10kHz
    -
    -
    -
    -
    • RS庫存編號 165-598
    • 製造零件編號 0 446 164
    HK$2,362.00
    Hengstler
    -
    24 V dc
    Impulses
    -
    Counter
    Voltage
    Plug
    Manual
    5
    Panel Mount
    -
    Down
    4 mm
    25Hz
    -
    -
    -
    -
    • RS庫存編號 165-734
    • 製造零件編號 0 301 510
    HK$452.20
    Hengstler
    -
    -
    -
    -
    Counter
    -
    -
    No Reset
    5
    -
    -
    Top Going
    4.2 mm
    -
    -
    -
    -
    -
    • RS庫存編號 150-473
    • 製造零件編號 T 127.001
    HK$570.60
    Baumer
    -
    -
    -
    Mechanical
    Counter
    -
    -
    Manual
    4
    -
    -
    -
    4.5 mm
    -
    -
    -
    -
    -
    HK$1,901.10
    Siemens
    -
    12 → 150 V dc, 24 → 240 V ac
    Hours
    Mechanical
    Counter
    -
    -
    Mechanical
    7
    DIN Rail
    -
    -
    -
    50Hz
    -
    -
    -
    -
    • RS庫存編號 100-109
    • 製造零件編號 2630-132CA
    HK$9,257.30
    Trumeter
    -
    -
    Counter
    Mechanical
    Counter
    Electronic
    -
    -
    5
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 165-605
    • 製造零件編號 0 446 190
    HK$2,455.00
    Hengstler
    -
    230 V ac
    Impulses
    -
    Counter
    Voltage
    Plug
    Manual
    5
    Panel Mount
    -
    Down
    4 mm
    10Hz
    -
    -
    -
    -
    • RS庫存編號 133-315
    • 製造零件編號 6.54U.012.000
    HK$3,192.28
    Kübler
    -
    90 → 260 V ac
    Frequency, Hours/ Minutes/ Seconds, Pulse
    LED
    Counter
    Voltage
    Screw
    Electrical
    6
    Panel Mount
    -
    Batch, Up
    14 mm
    60kHz
    -
    -
    92 x 45 mm
    0.001 → 999999
    • RS庫存編號 163-7120
    • 製造零件編號 NE210.012AXA1
    HK$3,296.40
    Baumer
    -
    115 → 230 V ac
    -
    LED
    Counter
    Logic
    Screw
    Automatic, Electrical, Manual
    5
    Panel Mount
    Relay
    Bi-Directional
    7.6 mm
    10kHz
    -
    -
    -
    0.001 → 99.999
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