The MM300 from Klein Tools, Inc. is a manual-ranging handheld digital multimeter (DMM) with a 3.5-digit LCD display, measuring voltage, current and resistance, with battery test, continuity, diode test and hold functions.
The MM300-NIST from Triplett is a manual true RMS handheld digital multimeter (DMM) with an LCD display, measuring voltage, current, resistance and temperature, with battery test, continuity and diode test, auto off, hold, min/max and relative functions.
The MM300 from Triplett is a handheld true RMS digital multimeter with a digit LCD display, measuring voltage, current, resistance and temperature, with battery test, continuity, diode test, auto off, hold, min/max and relative functions.