Extech EX503: Heavy Duty Industrial Multi Meter

Averaging DMM with 4,000 count large LCD display and waterproof housing

The EX503 offers an array of must-have multimeter measurements including capacitance, frequency (dual sensitivity for electrical and electronic applications), diode test and continuity. Other features include Data Hold and Relative Hold, and manual- or auto-ranging modes. The latter automatically adjusts the measurement range based on the detected source such as electrical components and electronic equipment. The meter features 0.5 percent accuracy and a CAT IV-600-volt safety rating, protecting users even on outdoor wiring. Includes EX503 heavy-duty digital multimeter, double-molded test leads, magnetic hanging strap, 9-volt battery, carrying case, and user manual.


  • Averaging DMM With 10 Functions And 0.5% Basic Accuracy
  • AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode/Continuity
  • Dual Sensitivity Frequency Functions (Electrical/Electronic)
  • 1000V Input Protection On All Functions
  • 10A Max Current
  • Data Hold, Relative, Auto Power Off
  • 4,000 Count Large Backlit LCD
  • Double Molded Housing For Waterproof Protection
  • Complete With Double Molded Test Leads, Magnetic Hanging Strap, Carrying Case And 9V Battery

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