Fluke 28 II Ex DMM digital multimeter for hazardous environments

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The Fluke 28 II Ex DMM is an intrinsically safe digital multimeter for measurements both inside and outside of hazardous, potentially explosive areas. With multiple measurement capabilities, it eliminates the need to carry multiple meters for different areas and removes the safety problems associated with crossing through an intrinsically safe-required zone with a non-IS instrument.

The 28 II Ex meets intrinsic safety (IS) standards worldwide (ATEX, IEC Ex, ETL and GOST) for safe use inside potentially explosive environments, making it suitable for use in petroleum, chemical and pharmaceutical facilities. It is currently undergoing Australian certification for coal mining. It has been approved by the NSW mining regulator for purchase and use and is in the process of certification for Qld.

It is drop-proof up to 3 m with a totally sealed, IP67-rated case for protection against dust and water. It can withstand hazardous 8000 V spikes caused by load switching and faults on industrial circuits.

It features a high-resolution 20,000-count display and true-rms AC voltage and current for accurate measurement on nonlinear signals. It measures up to 1000 V and 10 A AC and DC and its low-pass filter ensures accurate voltage and frequency measurements on variable speed motor drives. The built-in thermometer function measures temperature from -200 to 1090°C.

Backlit keypad buttons, large display digits and a two-level bright white background for visibility make it easy to use when wearing full personal protective equipment.

The battery lasts up to 800 h and the separate battery compartment makes it easy to change batteries or fuses on the job without jeopardising the meter’s IS or IP ratings or sending the unit for servicing.

The 28 II Ex comes with TL175 test leads, AC72 alligator clips, red holster, 9 V battery (installed) and manuals. An optional magnetic hanger is available for easy, hands-free set-up and viewing.