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Single-pole voltage tester Wera 247 SB 3 x 70 mm screwdriver
The Wera 247 SB single-pole voltage tester with a 3 x 70 mm screwdriver tip is a compact tool for detecting live conductors and basic voltage presence in electrical installations. Designed for straightforward contact testing, it combines an insulated screwdriver shape with a neon indicator to show the presence of AC voltage. The slim 3 x 70 mm tip provides access to recessed terminals and narrow spaces commonly found in switchgear, sockets and equipment panels.
This voltage tester offers a compact form factor that fits into limited working areas while providing an integrated indicator for immediate visual voltage confirmation. The screwdriver-shaped handle and insulated shaft deliver comfortable handling and controlled contact during testing. The 3 x 70 mm tip supports precise probing of terminal points and recessed screws without the need for additional tools.
Before use, visually inspect the tester for damage to insulation or the tip. To test for voltage, insert the 3 x 70 mm tip into contact with the conductor or terminal to be checked while holding the insulated handle. Observe the built-in indicator; illumination signifies the presence of AC voltage. Remove the tester after checking and store it in a dry, safe place. Do not use the tester on unknown high-voltage systems beyond its intended single-pole indication capability.
Use the Wera 247 SB voltage tester only for contact-based presence checks on low-voltage AC installations and follow all applicable safety procedures. Wear appropriate personal protective equipment, de-energize circuits when possible, and confirm results with a suitable dual-pole or higher-rated measuring instrument when accurate voltage measurement or phase-to-phase checks are required.
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