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Digital Clamp Meter, 1000A AC Current

AC digital clamp meter current range 0-1000A, AC voltage range 0-750V, DC voltage range 0-1000V, resistance range 0-2000MΩ, maximum jaw size 55mm, automatic range clamp meter to meet your different measurement needs.
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Delivery date: 7-12 days

Digital clamp meter AC current range 0-1000A, maximum jaw size 55mm, 4-bit display, maximum value 1999, with overload anti-burn protection, low battery indication function.

Clamp meter knob

Function range knob

  • Precise gearing.
  • Comfortable hand feeling.
  • Can measure high current/voltage.
Digital clamp meter display

Data hold/backlight button

  • Press the HOLD button to lock the current measurement value.
  • When you need to keep the real-time value, in the dark or unknown environment, just lightly press the meter button, and the backlight will light up quickly.


The clamp meter is one of the necessary test tools in daily maintenance work, mainly used to test voltage, current, frequency and other related parameters, requiring its high test resolution, test accuracy, and more test functions. Applications mainly include industrial control, industrial equipment, commercial, industrial, and residential electrical systems, and HVAC.

Clamp meter application

Basics Model SISCO-UA6266
Weight 310g
Size (L*W*H) 230*70*37mm
Display 4 digit LCD display
Maximum display value 1999
Power supply DC 9V, 6F22 battery
Maximum jaw opening size 28mm
Woring environment Temperature: 5℃~35℃ (41℉~95℉), relative humidity:<75%
Storage temperature -10℃~+50℃ (14℉~122℉)
Accessories A pair of test probes, a user manual, 6F22 battery
Functions Item Range Accuracy
AC current 1000A ±(3.0%+10 digits)
DC voltage 1000V ±(0.8%+3 digits)
AC voltage 750V ±(1.2%+5 digits)
Resistance 2000MΩ ±(5.0%+2 digits)
Special functions Diode test Display forward voltage value of diode
On-off buzzer Continuity test buzzer
Data hold Hold the reading when taking a measurement
Automatic power off Automatic power off when 15 minutes no operation
Overload protection Overload protection for 100% range
Range selection Manual range selection
Backlight Backlight for LCD display

Q1: What is a clamp meter?
Q1: A clamp meter is a device used to measure current conveniently and safely. It is very efficient to measure current without using test leads. To measure 
current, all you have to do is place a wire in the jaws of the clamp meter. When current flows through a conductor, a magnetic field is created. The device helps to detect magnetic fields so that it can provide corresponding current readings, the sisco clamp meter can also be used as a multimeter.

Q2: How a clamp meter works?
Clamp meters work on the principle of magnetic induction and measure alternating current without contact. Like every conductor, the current flowing 
through the wire creates a magnetic field. Hall effect sensors detect the magnetic field produced by the current, which in turn creates a small voltage 
across the sensor.

Q3: How often does a clamp meter need to be calibrated?
A3: A clamp meter typically needs to be calibrated annually to ensure it continues to measure within sisco's specifications.

Tips: What is the analog bar graph display function of a current clamp meter?

There are two types of meters available today, one is a digital meter and the other is an analog meter. Digital meters have an LCD display that allows the operator to read the values very intuitively and easily. In this respect, analog meters are unmatched, but analog meters also have the unique advantage of being able to use the instantaneous deflection of the pointer to reflect changes in the nature of the object being measured. To retain this feature of analog meters, digital meters use an analog bar graph on the LCD display to simulate the pointer function of the meter.

If both DC and AC signals are present in the measured signal, the usefulness of the analog bar graph is immediately apparent. For example, when using the DC function of an AC/DC current clamp meter to measure a regulated power supply during maintenance, check the analog bar graph. If the analog bars appear jittery, the DC voltage contains AC voltage. The regulated power supply is unstable.


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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