The DM393 is one of our safest industrial duty meters ever made. All inputs, ranges and functions protected to 1000 Volts CAT III. Perfect for HVAC and electrical technicians whose applications require higher accuracy measurements and True RMS precision. Built in temperature means one less instrument to bring to the job. 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
• True RMS AC Volts and Amps
• Access to battery and fuses without breaking calibration
• Capacitance measurement from 40.00nF to 100.0μF
• 0.5% basic DC accuracy
• Frequency measurement to 10MHz
• 4,000 count backlit display
• Autoranging
• Temperature from -40˚ to 2372˚F
• Five year limited warranty