Description The standard for rugged The Fluke 27 II Digital Multimeter define a the standard for operating in harsh conditions with the features and accuracy to troubleshoot most electrical problems. Both meters have IP 67 (waterproof and dustproof) rating, MSHA approvals, extended operating temperature range of -15 °C to 55 °C (5 °F to 131 °F, -40 °C for up to 20 minutes) and 95% humidity, and have been designed and tested to withstand a 3 m (10 ft) drop. The Fluke 20 Series Multimeters are built to work in the toughest environments. Accuracy Specifications DC voltage Range 0.1 mV to 1000 V Accuracy 0.1% 1 AC voltage Range 0.1 mV to 1000 V Accuracy 0.5% 3 DC current Range 0.1 μA to 10 A Accuracy 0.2% 4 AC current Range 0.1 μA to 10 A Accuracy 1.5% 2 Resistance Range 0.1 Ω to 50 MΩ Display counts 6000 Capacitance 1 nF to 9999 μF Frequency 0.5 Hz to 199.99 kHz Compliance CAT IV 600 V , CAT III 1000V IP rating IP 67 Power Three AA batteries Battery life 800 hours General Specifications Display Bar graph/backlight Yes/Yes Data storage Min/Max/Avg Yes Reading hold Yes Other features Relative readings (zero) Yes Battery type Three AA batteries Warranty and protection Safety rating CAT IV 600 V/CAT III 1000 V Mine safety MSHA Approved External protection Rubber holster Drop test 10 feet drop test Dustproof/waterproof Yes, IP 67 rated Warranty Limited lifetime Size (H x W x L) with holster 6.35 x 10.0 x 19.81 cm (2.5 x 3.93 x 7.8 in) Weight with holster 698.5 g (1.54 lb)