The Ridgid DM-100 Micro Digital Multimeter is a True RMS and AutoRanging unit which provides accurate and fast measurements in all applications It features 11 different electrical functions ranging from ACDC Voltage and Current 1000 volt to temperature measurements The multimeter has a double moulded water-resistant 1m IP67 housing It is also drop-proof and perfectly suitable for use in the harshest job site conditions An extra large backlit LCD display provides easy and clear readings The DM-100 is rated for industrial use CAT III-1000V and IV-600V Supplied in a soft carrying case with double-moulded test leads Type K temperature probe and a 9V battery Functions and Range Voltage ACDC 4000mV - 1000V Current ACDC 4000µA - 10A Resistance 4000 - 4000M Capacitance 4000nF - 2000µF Frequency 9999Hz - 9999MHz Duty Cycle 01 - 999 Diode Check 15V Continuity Test 150 Temperature -20°C - 760°C Specifications Power Source 9V battery included Display 4000 Count Backlit LCD Overload Protection CAT III and IV1000V600V Fuses 05A and 10A - 1000V Insulation Class II double moulded IP Rating IP-67 water-resistant 1m Polarity Indication Yes automatic Auto Power-Off Yes after 15 minutes AutoRanging Yes Manual Ranging Yes True RMS Yes