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- Compact size fits into your pocket
- 400AAC or 400AAC/DC current measurements
- 600VAC/DC volts measurements
- Resistance measurements to 400Ω
- Continuity with beeper below 40Ω
- Hold function to freeze readings
- Push-button for easy ADC zeroing
- Large easy-to-read 4000-count display
- Includes test leads and a soft carrying pouch
- The jaw opening for the Model 503 is 1.1 (28mm)