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    Clamp on Current Transformer, 1000A AC/DC

    Clamp-on current transformer range of 0.0A ~ 1000A AC DC, resolution of 0.1A, an accuracy level of 2.0, with good stability, and strong anti-interference ability, it is the ideal tool for AC and DC current, phase, electrical energy, power, power factor, and another testing.
    SKU: SISCO-CCT-1000
    i h
    🚚 Free shipping
    🔙 30-day returns
    📅 Delivery: 7-12 days

    AC DC clamp-on current transformer using Hall induction technology, portable clamp design, no need to disconnect the line under test, the clamp head core selection of special alloy, especially suitable for dense places in line (power metering system, high-speed rail system, automotive circuit maintenance, etc.).

    1000A AC DC clamp current transformer

    Clamp-on current transformer makes field testing easy

    • Non-contact measurement, easy, fast, and safe operation.
    • Thin jaws, suitable for small spaces.
    • The sisco clamp current transformer uses a permalloy core for stable performance and high accuracy, and is highly resistant to interference, making it suitable for complex interference environments.
    • The range, ratio, and output interface of the sensor can be customized according to customer requirements.
    • Output connector: φ3.5mm audio plug/BNC plug/4.0mm double banana plug (optional), cable length 1.5m.


    High-precision clip-on current transformers is an indispensable accessories for small, medium, and large electronic companies. The sisco clamp-on current transformer is suitable for use in power equipment testing, communications and telecommunications, railway and oilfield monitoring, building and construction companies, research and teaching units, industrial and mining records, and other fields.  

    Clamp-on current transformer applications

    Model SISCO-ETCR0350AD
    Power 9VDC 6F22
    Range 0.0A~ 1000A AC/DC
    Resolution AC/DC: 0.1A
    Accuracy Grade ±2.0%
    Phase Error ≤3°
    Output Method Inductive current output
    Zeroing Method ZERO key to clear the zero
    CT Size 30mm x 35mm
    Mass 180g
    Output Interface BNC plug/4.0mm double banana plug/3.5mm audio plug/bare wire tap (optional), wire length 1.5m
    Operating Frequency DC~400Hz
    CT Structure Clamp
    Dielectric Strength AC 3700V/rms (between core and shell)
    Safety Level CATI600V
    Output Mode Induction Current Output
    Operating Temperature and Humidity -15°C ~ 50°C ; 80%rh or less
    Dimension  122mm (L)x 70mm (W) x 33mm (H)

    Dimension Unit (mm)

    100A AC DC clamp current transformer dimension

    Output interface (optional)

    Clamp current transformer output interface


    Q1: What is a clamp-on current transformer?
    A1: Clamp-type current transformer is a kind of detection device, that can feel the information of the measured current, and can detect the felt information. Clamp AC transformers according to a certain law into a certain standard need to meet the electrical signal or other required forms of information output, in order to meet the requirements of information transmission, processing, storage, display, recording, and control. For example, switching power supply, hard switch, soft switch, etc.

    Q2: What equipment can be used with a clamp-on current transformer?
    A2: Clamp-on current transformers can be used with multimeters (mA level current grade), oscilloscopes, and other instruments, and clamp-on AC transformers can also be used as current probes.

    Q3: What are the advantages of sisco clamp-on current transformer?
    A3: sisco clamp-on current transformer is a precision current transformer, which is specially designed for power field measurement and metering use characteristics. The clamp-on current transformer is made of high permeability material, high precision, strong anti-interference ability, etc. When using the clamp-on current transformer can be directly clamped on the bus bar or bus bar without cutting off the line power outage its use is very convenient.

    Tips: The working principle of AC/DC clamp-on current transformer

    AC/DC clamp-on current transformer adopts a split core and Hall element (hole element) combination, which can detect AC and DC currents at the same time, when the measured current I passes through the sensor, the Hall element inductively outputs a Hall voltage VH, which can be calculated by detecting the Hall voltage VH, to calculate the tested current I. The Hall voltage VH is proportional to the tested current I, and the corresponding output by the sensor is: 10mV/1A, that is, input 1A current, proportional output 10mV voltage, that is, input 0~60A current, corresponding output 0~600mV voltage.


    Thank you for buying industrial test and measurement equipment on, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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