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The Yellow Jacket family of eVac Digital Vacuum Gauges are the most accurate and precise vacuum instruments available for measuring vacuum pressure. They are small, lightweight, rugged, and easy to use, making them ideal for every HVAC/R professional out there.

This high voltage insulation tester features a robust design and is equipped with 4 voltage ranges. It also has insulation resistance of up to 1000 g and short-circuits current of up to 1.5 mA.

Rugged, reliable performance and superior arc characteristics. Hot start and built-in arc control. Enclosed circuit board, automatic thermal overload protection with indicator light, fan on demand.

The GX-3R is the world's smallest 4 gas monitor weighing only 3.52 ounces and can comfortably be clipped within a worker’s breathing zone (2.2” W x 2.55” H x 1.02” D). It simultaneously monitors and displays LEL combustibles, O2, CO (Hydrogen compensated CO also available), and H2S.