The DM391 supports high safety standards with all inputs, ranges and functions protected to 1000 Volts CAT III. Perfect for HVAC and electrical technicians whose applications require higher accuracy than the average multimeter. The DM393 has convenient access to battery and fuses without breaking calibration seals.

Features
• All inputs, ranges and functions protected to 1000 V CAT III
• Capacitance measurement from 40.00nF to 100.0μF
• 0.5% basic DC accuracy
• Frequency measurement to 10MHz
• 4,000 count backlit display
• Autoranging
• Access to battery and fuses without breaking calibration
• Over-molded case
• Five year limited warranty