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MA220 – 400A AC/DC Clamp Meter

The Extech MA220 Compact Clamp Meter offers high accuracy for current measurements and its compact size allows measurements in tight locations. The MA220’s functions include AC/DC voltage (600 volts), AC/DC current (400 amps), Capacitance (100 µF), Frequency (150 kHz), Temperature (-58 to 1830 degrees F / -50 to 1000 degrees C), and Duty Cycle (0.5 to 99.0 percent). The MA220 also has a 4,000 count LCD display, data hold, auto zero on start up, as well as auto ranging and auto power off. This clamp meter has a 0.9-inch (23mm) jaw size that accommodates conductors up to 300 MCM. Comes with test leads, Type K bead wire temperature probe, case, two AAA batteries, and user guide.

  • Functions include AC/DC Voltage, AC/DC Current, Capacitance, Frequency, Temperature, and Duty Cycle
  • High accuracy for Current measurements
  • 4000 count LCD display
  • Data Hold, Auto Zero
  • Autoranging with Auto Power Off
  • 0.9″ (23mm) jaw size accommodates conductors up to 300MCM
  • Compact size allows measurements in tight locations
  • Complete with test leads, Type K bead wire probe, case, and two AAA batteries
Specifications Range
AC Current (resolution) 40A, 400A (0.01A)
DC Current (resolution) 40A, 400A (0.01A)
Basic accuracy AC: ±3%, DC: ±2.5%
AC/DC Voltage (resolution) 400mV, 4V, 40V, 400V, 600V (0.1mV)
Basic accuracy AC:2%,DC:±1.5%
Resistance (resolution) 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ (0.1Ω)
Capacitance (resolution) 40nF, 400nF, 4μF, 40μF, 100μF (0.01nF)
Frequency (resolution) 5Hz, 50Hz, 500Hz, 5kHz, 150kHz (0.001Hz)
Temperature (resolution) -58 to 1830°F (-50 to 1000°C) (1°)
Duty Cycle (resolution) 0.5 to 99.0% (0.1%)
Continuity Beeper ≤30Ω Beeper
Dimensions / Weight 7.9x2x1.4” (200x50x35mm) / 7oz (200g)
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