Model 310 Portable Compact Analog Multimeter: 18 Ranges , AC/DC Voltage Measurement to 1200V - (3018)The Triplett Model 310 is a hand sized analog multimeter with all of the versatility and performance of larger, more expensive bench size models. Read More > DESCRIPTION The Triplett Model 310 is a hand sized analog multimeter with all of the versatility and performance of larger, more expensive bench size models. It offers a diode overload protection against damage to the meter movements caused by accidental overloads. A fuse is used to protect the