The compact, low cost Model PM-1 Digital Pen Meter is 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 40 MΩ. In addition to volts and ohms, the digital pen meter includes continuity, diode, and frequency tests to 10 KHz. This meter features data hold, REL (relative value), and auto range buttons. The four-digit LCD displays value, mode, and low battery indication. The Model PM-1 is furnished with red and black test leads, two AA batteries and carrying case with belt clip.