Mains Voltage Tester - 140mm

Compact and reliable, this 250 V electrical tester is designed for quickly detecting live AC volta...

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B&QB&Q - Mains Voltage Tester 100-250V140mm Electrician Insulated Screwdriver
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Product Information

Full details

This 140mm Mains Voltage Tester is for electricians, DIY enthusiasts, and homeowners needing a quick and safe way to detect live AC voltage. Its key benefit is the built-in lamp that illuminates when voltage is present, providing immediate visual confirmation. A potential caveat is its AC voltage detection range, which is specific and may not cover all low-voltage DC applications. The tester is compact, lightweight, and designed for easy portability, featuring a 3mm slotted head for access in tight spaces and an ergonomic belt clip for convenience.

All features

Model Part NumberVOLTAGETESTER140MM
BrandB2C

Extended Product Information

FAQs

What types of voltage can this tester detect?

This tester is designed to detect AC (Alternating Current) voltage only, specifically within the range of 100 V to 500 V.

How do I know if voltage is present?

When live AC voltage within the detectable range is present, the built-in lamp on the tester will illuminate, providing a visual indication.

Can I use this tester for DC voltage?

No, this tester is specifically designed for AC voltage detection and will not provide accurate readings for DC (Direct Current) voltage.

What is the size of the slotted head?

The tester features a 3 mm slotted head, designed for access in tight electrical connections and outlets.

How should I carry this tester?

The tester includes an ergonomic belt clip, allowing you to conveniently and securely attach it to your belt or pocket for easy access.

Is this tester suitable for low voltage systems (e.g., doorbell transformers)?

This tester's detection range starts at 100 V AC. It is not suitable for detecting voltages below this threshold, such as those found in some low-voltage systems.

How should I clean the voltage tester?

Wipe the tester with a soft, dry cloth after use. Avoid using liquids or solvents, as this could damage the electronic components or the casing.

Troubleshooting

Tester does not indicate voltage, but voltage is expected.

Ensure the tester is making proper contact with the live conductor or test point. Verify that the voltage is within the tester's detection range (100V-500V AC). Check for any damage to the tester tip or body.

Tester lamp stays illuminated even when no voltage is detected.

This may indicate a faulty tester. Discontinue use and replace the unit. Ensure the testing environment is free from static electricity or strong electromagnetic fields that could cause false readings.

Tester feels loose or worn.

Inspect the tester for any physical damage. If the casing is cracked or the tip is damaged, do not use the tester and consider replacing it.

Pros and Cons

Pros

  • Provides immediate visual confirmation of live voltage with its built-in lamp.
  • Compact and lightweight design enhances portability and ease of use.
  • Slotted head provides access to voltage in tight or confined spaces.
  • Includes a belt clip for convenient, accessible storage and transport.
  • Suitable for a wide range of common AC voltage applications (100V-500V).

Cons

  • Only detects AC voltage; not suitable for DC voltage testing.
  • Detection range is limited to 100V-500V AC.
  • The slotted head may not be compatible with all screw types.
  • Requires direct contact with the conductor or a suitable test point.

Setup, Compatibility & Care

Setup: This voltage tester requires no setup. It is ready to use out of the box. Ensure the tester is clean and dry before use.

Compatibility: The tester is designed to detect AC voltage in the range of 100 V to 500 V. It is compatible with standard electrical wiring, outlets, and components within this voltage range. It is not designed for DC voltage testing or voltages outside its specified range.

Care: To maintain optimal performance, keep the tester clean and dry. Wipe it with a soft, dry cloth after use. Avoid exposing it to extreme temperatures or moisture. Periodically inspect the tester for any signs of damage; do not use if damaged.

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