Fluke 170 series True-RMS digital multimeter. Versatile True-RMS digital multimeter for field service work or repairs on the workbench. Resistance measurement, continuity and diode test. Measuring frequency and capacity. Safety category CAT III 1000V/CAT IV 600V. Min/Max/Average-registration. Display Hold and Auto Hold. Automatic and manual ranging mode. AC/DC Voltage: 1000V. AC/DC Current: 10A. Smoothing for more stable reading of rapidly fluctuating input signals. Warning when connecting wrong test leads. Alarm signal when unsafe voltage. Illuminated display (Fluke 177 and 179). Temperature measurements: thermocouple probe is included (Fluke 179). These multi-meters are the norm because unite they aspects such as accuracy, functionality, ease of use, security and reliability. Lifetime warranty.