Fluke 27 II Industrial Multimeter (mfg. part no. 3307768) defines a new standard for operating in harsh conditions with the features and accuracy to troubleshoot most electrical problems. Fluke 27 II Industrial Multimeter has IP 67 (waterproof and dustproof) rating, MSHA approvals (pending), 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.