MEWOI7450 Clamp Multimeter

Measure DC voltage and current, AC voltage and current RMS, resistance, surge, capacitance, frequency, continuity test, temperature, diode forward voltage drop and other parameters.

  • Main Features:: 1. Model No. :MEWOI7450 2. DC Voltage : 400mV/4V/40V/400V/1000V 3. AC Voltage : 400mV/4V/40V/400V/700V 4. AC Current : 4A/40A/400A/1000A 5. Resistance : 400Q/4kQ/40kQ/400kQ/4MQ/40MQ 6. Power Supply: 6F22 9VX1
  • Model No.:: MEWOI7450
  • Name:: MEWOI7450 Clamp Multimeter
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MEWOI7450 clamp multimeter is a new generation of practical electrician measuring instrument with excellent performance carefully developed by our company. The instrument adopts a high-performance new MCU processor, and the instrument has a very high cost performance. It has the characteristics of high reliability, high security, automatic range, and handheld clamp meter. With super large screen digital, full range overload protection, data retention, undervoltage prompt, automatic shutdown function, true effective value measurement can accurately measure frequency conversion voltage, non-sine wave voltage, and surge current can measure the effective value of surge current with a period of 80mS , and equipped with a temperature measurement function that can accurately measure -50~1000°C, this instrument is very suitable for variable frequency power supplies, air conditioners, refrigerators and other refrigeration equipment, motor performance testing, etc. The DC current function of DC40A, 400A, 1000A range is widely applicable Electroplating, DC welding machine, automobile inspection and various DC current measurement occasions above 500mA. This meter can be used as an ideal tool for detection, maintenance and repair of various colleges and universities, smelting, communication, manufacturing, petroleum, national defense, electric power, electronics and electric power equipment. It provides a safe, accurate and convenient new power meter for electricity inspectors, and is an essential tool for electrician safety inspection.

Technical parameter

       basic skills
DC voltage  400mV/4V/40V/400V/1000V ± 0.8%+2                                                            
AC voltage  400mV/4V/40V/400V/700V ± 1.2%+5                                                              
DC  40A/400A/1000A                                                                              ±2%+5
Alternating current  4A/40A/400A/1000A ± 2%+10                                                                      
resistance     400 Ω /4k Ω /40k Ω /400k Ω /4M Ω /40MΩ ± 1%+3                                        
capacitance     10nF/100nF/1uF/10uF/100uF/1000uF/10mF                                 ±3%+20
frequency     10Hz/100Hz/1kHz/10kHz/100kHz/1MHz/10MHz/40MHz              ±0.5%+3
the temperature     -50°C1000°C                                                                               ±1%+4
       special function
auto range  √
manual range  √
AC conversion type  True RMS
input protection  √
Automatic shut-down  About 10 minutes, can be set to no automatic shutdown
Diode testCan measure LED working voltage below   3V
Duty cycle measurement  √
voltage frequency measurement  √
NCV (Fire Wire) Measurements  √
Short circuit buzzer  √
low pressure indication  √
input resistance  About 10MΩ
data retention  √
Surge signal measurement  √
Jaw size  Measurable maximum wire diameter Ф52mm
       general characteristics
power supply     6F22  9VX1
Instrument weight  About 360g (including battery)
Meter size  249X89X38mm


Product numberJaw sizeDC voltageAC voltageDCAlternating currentresistance   
MEWOI7420Ф27mm0mV~600V0V~600V/0A~600AΩ ~40MΩ
MEWOI7450F52mm0mV~1000V0mV~700V0A-1000A0A~1000AΩ ~40MΩ
MEWOI7470F55mm0V~2000V0V~2000V0A~2000A0A~2000AΩ ~20MΩ

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