• 简体中文

UT223A Large Jaws Clamp Meter

UT223A is designed for testing large AC current up to 4000A with a resolution of 0.1A. This device is designed with anti-interference mechanisms which improves measurement results around areas with electromagnetic interference.

UT230 Series Digital Power Clamp Meters

UT233 is an intelligent, handheld and stable power and harmonics clamp meter, with functions of digital ammeter and power meter. It can measure voltage, current, active/reactive power, power factor, phase angle and more. It can be applied in power equipment/supply, circuit measurement, and grid power quality evaluation.


UT240 Series Power and Harmonics Clamp Meters

UT243 is an intelligent, handheld and stable power and harmonics clamp meter, with functions of digital ammeter and power meter. It can measure voltage, current, active/reactive power, power factor, phase angle and more. UT243 series can measure single harmonic components up to 20 times. It can be applied in power equipment/supply, circuit measurement, and grid power quality evaluation.

UT251 Series High Sensitivity Leakage Current Clamp Meters

UT251 series high-accuracy high sensitivity leakage current clamp meters are designed for testing AC leakage current. These high-resolution meters are great for applications such as checking leakage current for motor, home appliances and other electrical equipment up to 600A.

UT253 Series Large Jaws Leakage Current Clamp Meters

UT253 series are large current high precision leakage clamp meters that can measure up to 2000A. These are great solutions for professionals checking insulation effects of motors and identifying leakage power for distribution systems. Its large 80mm×80mm jaw is able to clamp up to 96mm cables or flat-steel ground wires. UT253’s intelligent design can measure leakage current, three-phase voltages and display them on the screen simultaneously.

UT255 Series High Voltage Clamp Ammeters

UT255 series high voltage clamp ammeter connected with insulating rod can measure leakage current of high voltage circuit, on-line circuit, and judge if ZnO arresters get damp or do not work well. It also has functions as peak hold, data hold, data storage, wireless transmission. Its clamp can be easily removed from the tested wire by pressing or pulling back the insulating rod.

UT257 Series Large Jaws Leakage Clamp Meters

UT257A is a 3000A large current clamp with AC leakage current detection capability. Its large jaw (108mm×148mm) is capable of clamping cables up to 108mm in diameter or 160mm×4mm flat-steel ground wires, particularly suitable for large cable leakage and transformer ground leakage detection.

UT258 Series AC/DC Leakage Clamp Meters

UT258A is well designed for on-line measurements of DC/AC leakage current and current below 600V, which adopts latest CT and digital integration technology. Slender clamp is very suitable for places full of concentrated cables (such as, electric power metering system,high-speed rail system, automobile circuit maintenance and so on). Non-contact measurement ensures operation safety. The meter has mini shape with high accuracy, stable performance and perfect functions. 

UT265 Series Intelligent 2/3 Phase Clamp Voltammeters

UT265B is an economical 2/3 phase clamp meter. It is able to simultaneous measure 2/3 phase systems and display phase diagram on the LCD screen. The meter can monitor power distribution box, and is suitable for electricians, electrical maintenance, repair, and training personnel.


UT267 Series Intelligent 2/3 Phase Clamp Voltammeters

UT267B is equipped with case made of latest materials, anti-vibration and anti-skidding high-insulation, 240 dots×160 dots LCD screen. It is used in electric power, petrochemical, metallurgy, railway, mining industries, research institutes and departments. It is suitable for electric energy billing and relay protection system, including electric energy measurements, power inspections of power supply marketing department, and loading table, relay protection, differential detection, startup test, variable power maintenance, trainings, and competitions.

UT270 Series Clamp Earth Ground Testers

UT270 series can quickly and safely measure the grounding system without disconnecting circuit ground lines or the need of auxiliary electrodes. It can measure resistance from 0.01Ω with a resolution of 0.001Ω. These clamps’ double insulation design makes them durable tools for outdoor work and they are effective in blocking interference signals from the environment.