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Power and Harmonics Clamp Meter 243

243 Series handheld power meters are intelligent, handheld and stable power and harmonics clamp meters, with functions of digital ammeter and power meter. These can measure voltage, current, active/reactive power, power factor, phase angle and more.

243 series digital power meter can measure single harmonic components up to 20 times. It is especially suitable to measurement & repair of site power equipment and power supply wires as well as evaluation of electric energy quality of power grid.

The CAT III 600V safety rated power clamp meter has data hold & data logging feature. All logged data can be easily transferred to PC through USB cable. 

Product Specification
Specifications Range Accuracy
AC current (A) 1000A ±(2%+5)
AC voltage (V) 600V ±(1.2%+5)
Frequency (Hz) 40Hz~80Hz ±(0.5%+5)
Active power (W) 0.01kW~600kW ±(3%+5)
Apparent power (VA) 0.01kVA~600kVA ±(3%+5)
Reactive power (VAr) 0.01kVAr~600kVAr ±(4%+5)
Power factor 0.3~1 ±0.022
Phase angle (°) 0°~360° ±2°
Active energy (Wh) 1kWh~9999kWh ±(3%+2)
Display count   10000
Auto range  
Jaw opening   50mm
True RMS AC voltage/AC current
Auto power off  
Low battery indication  
Data hold  
Data storage   999
USB interface  
LCD backlight  
Full icon display  
Harmonic analysis   1~20
Single-phase 2-wire  
3-phase 3-wire  
3-phase 4-wire  
Phase sequence test Positive phase, reverse phase,
phase deficiency
Input impedance for DCV   ≥5MΩ
Input protection  
Category Safety Rating CAT III 600V
General Characteristics
Power 1.5V battery (RAA) x 4
Display 46mm x 42mm
Product net weight 600 grams
Product size 303mm x 112mm x 39mm
Standard accessories Batteries, test leads, alligator clips, USB interface cable, PC software CD
  • True RMS voltage/current measurement
  • 3-phase 3-wire, 3-phase 4-wire and single-phase 2-wire measurements
  • 10000 count LCD dual display
  • Phase sequence detection
  • Max/Min modes
  • Auto range, auto power off, backlight, low battery indication
  • Equipped with USB interface and PC software CD


Frequently Asked Questions (5 answered questions)

Person name: Asian

Yes, one can easily transfer data to PC through USB cable.

Person name: Asian

CAT III 600 V.

Person name: Asian


Person name: Asian

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