Martindale VT7 Single Pole Voltage Tester provides contact indication of 50–600V AC with bright red LED and audible alerts. Its built-in self-test, IP54 rating, GS38-compliant probe and glove-friendly design support practical indoor, outdoor, industrial and domestic voltage checks.
The TPI 621 Dual Input Differential Manometer measures positive, negative and differential pressure across seven selectable units. It combines a backlit four-digit display, manual zero, reading smoothing, auto power-off and 995 mBar over-pressure protection in a hand-held format.