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Extech MA220 400A AC/DC Clamp Meter
MA220 400A AC/DC Clamp Meter
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Our Price: $109.99

Availability:: Usually Ships in 24 to 48 Hours
Product Code: EXT-MA220

NIST Certificate (Adds 7-10 days):


400A AC/DC Clamp Meter Features:

  • Compact size allows measurements in tight locations
  • 400A AC/DC Current
  • 4000 count LCD display
  • Functions include Capacitance, Frequency, Temperature, and Duty Cycle
  • High accuracy for Current measurements
  • Autoranging with Auto Power Off
  • 0.9" (23mm) jaw size accommodates conductors up to 300MCM
  • Continuity beeper and Diode test
  • Data Hold freezes current reading on display
  • Overload protection for all ranges
  • Overrange and low battery indicators
  • One touch "Auto Zero"
  • Complete with test leads, bead wire temperature probe (-58 to 482F/-50 to 250C), case, and two AAA batteries


  • AC Current: 40, 400A (0.01A)
  • DC Current: 40, 400A (0.01A)
  • Basic accuracy: AC: 3%, DC: 2.5%
  • DC Voltage: 400mV, 4V, 40V, 400V, 600V (0.1mV)
  • AC Voltage: 400mV, 4V, 40V, 400V, 600V (0.1mV)
  • Basic accuracy: AC: 2%, DC:  1.5%
  • Resistance (Ω): 400, 4k, 40k, 400k, 4M, 40MΩ (0.1Ω)
  • Capacitance: 40nF, 400nF, 4F, 40F, 100F (0.01F)
  • Frequency: 5Hz, 50Hz, 500Hz, 5kHz, 150kHz (0.001Hz)
  • Temperature: -58 to 1830F (-50 to 1000C) (1)
  • Duty Cycle: 0.5 to 99.0% (0.1%)
  • Continuity: Beeper <30Ω
  • Power: Two AAA batteries
  • Dims/Wt.: 7.9x2x1.4" (200x50x35mm)/ 7oz (200g)