Extech MA200 400 Amp AC Clamp Meter

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The compact Extech MA200 is a useful general purpose AC clamp meter for plant maintenance technicians, electrical troubleshooters, and contractors. The 4-digit (2,000-count) readout is easy to read and you can operate the meter with one hand, having a thumb-dial selector that is ergonomically placed off the side of the meter. You can select auto- or manual-ranging and measurement functions in addition to current include: voltage and resistance as well as diode and continuity tests.

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Extech MA200 Features:

  • Autoranging
  • Hold, Max data functions
  • Compact ergonomic form factor
  • 23mm jaw opening

Extech MA200 Ergonomic & Versatile

The Extech MA200 is an affordable clamp meter that is compact and easy to hold. Whether you are performing amp readings in a heavy duty industrial setting or doing commercial electrical work, the 400 amp AC rating and ample 23mm jaw opening is compact enough to fit in tight locations but can also accommodate bigger jobs, swallowing conductors up to 300 MCM. For better diagnostics and troubleshooting, you can use one of two one-button functions: press HOLD to freeze a reading on the LCD; MAX tracks and displays maximum values (useful for blind measurements and start-up draw).

Data Hold To freeze the LCD meter reading, press the data hold button. The data hold button is located on the left side of the meter (bottom button). While data hold is active, the HOLD display icon appears on the LCD. Press the data hold button again to return to normal operation.

MAX Hold To hold the highest reading on the LCD, press the MAX button. The max hold button is located on the left side of the meter (top button). While data hold is active, the MAX display icon appears on the LCD. The meter reading will not change as readings change, rather it will only display the highest reading encountered since the max hold button was pressed. Press the max hold button again to return to normal operation.

Extech MA200 Specifications

AC Current 2, 20, 200, 400A (0.001A)
DC Current NA
Basic accuracy ±2.5%
DC Voltage 200mV, 2V, 20, 200V, 600V (0.1mV)
AC Voltage 200mV, 2V, 20V, 200V, 600V (0.1mV)
Basic accuracy AC: ±1.5% DC: ±1.2%
Resistance (Ohms) 200, 2k, 20k, 200k, 2M, 20M (0.1% )
Capacitance NA
Frequency NA
Temperature NA
Duty Cycle NA
Continuity Beeper ≤30 Ohm
Power Two AAA batteries
Dims/Wt. 200 x 50 x 35mm / 200g



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