Fluke 177 digital multimeter with nist calibrationthe fluke 177 is the intermediate offering of the popular 170 digital multimeter series. This DMM has min/max/average recording with a 6000 count display. The overmolded case with integrated probe holders, lends to a drop protection rating of up to 1 meter. Add to that a and your toolbox is complete.Smart, safe, & tough!The fluke 170 multimeter series contains 3 multimeters with great performance and price which no other meter can match. The 170 series digital multimeters are fluke's smartest, safest and toughest meters inside and out.The 170 series meters feature tougher body armor, 6000 count resolution display, auto and manual hold, and are designed to meet the iec 1010 safety standards to Cat IV 600V and Cat III 1000 V. These meters are internally tough with fused current inputs, overvoltage protection and they even protect against measuring voltage if the knob is accidentally set on ohms. On the outside the rugged overmolded body armor case offers constant protection no matter how much you throw them around. For those with accuracy concerns the fluke 170 series meters are more accurate than ever and have an easy-open battery door where the battery can be changed without breaking the calibration seal, preventing unnecessary calibration charges.For overvoltage protection against transient spikes up to 6 kV, and has the safety ratings to prove it. Protect yourself and your technicians working in dangerous environments like three-phase distribution systems such as single phase commercial lighting, equipment in fixed installations like switch gear and polyphase motors, bus and feeder in industrial plants, lighting systems in larger buildings and appliance outlets with short connections to the service entrance.