The Dwyer PM-2 digital multimeter is a low cost, ultra-compact pen style instrument ideal for general electrical testing and troubleshooting. A few applications include HVAC, automotive, electrical/power, and environmental monitoring uses. This meter measures DC and AC voltage to 600 V and resistance to 1499 Ohms. In addition to volts and ohms, this meter includes continuity, diode, and frequency tests to 69.9 Hz. Along with the mentioned functions, the PM-2 has the ability to perform a phase test from 100 to 600 V. This meter features data hold, display (to show voltage and frequency during AC tests), and clear screen buttons. The 4 digit LCD features value, mode, and low battery indication.