Mains Voltage Tester Screwdriver - 4mm x 100mm
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Product Information
Full details
The BlueSpot Tools Mains Voltage Tester Screwdriver is an indispensable safety tool designed for DIY enthusiasts and professionals who need to quickly verify if a circuit is live. It offers the key benefit of providing an immediate visual warning when current is present, which is critical for electrical maintenance; however, it should only be used as a supplementary diagnostic tool and is not a substitute for professional-grade non-contact voltage testers or multimeters when performing complex electrical work.
All features
| Model Part Number | 13547 |
|---|---|
| Brand | BlueSpot Tools |
Extended Product Information
FAQs
Does this tool work on DC circuits?
No, this specific model is designed for 250V AC domestic and light commercial circuits.
Do I need a battery for this tester?
No, the neon indicator is powered by the voltage present in the circuit being tested.
Can I use this to tighten screws?
While it functions as a screwdriver, it is primarily a testing tool and should not be used for high-torque fastening tasks.
Is it safe to touch the tip of the screwdriver?
Never touch the metal tip while testing; always hold the handle by the insulated grip area.
What is the maximum voltage this can handle?
It is rated for use on circuits up to 250V AC.
Why does the light only turn on when my finger is on the cap?
The circuit requires a path to ground to complete; your body acts as the grounding path through the contact point on the handle.
Troubleshooting
Neon light does not illuminate when touching a known live circuit
Ensure your finger is making firm contact with the metal contact point on the end of the screwdriver handle, as the circuit must pass through the user to ground.
The neon light is very dim
Dim light may occur in bright sunlight or if the user is wearing heavy gloves or insulated footwear; try to test in a shadowed area for better visibility.
Pros and Cons
Pros
- Clear, easy-to-see neon indicator for live circuit detection
- Fully insulated handle and blade sheath for increased safety
- Compact and lightweight for easy portability in tool pouches
- Reliable construction built to CE and GS safety standards
Cons
- Only indicates the presence of voltage, not the specific voltage level
- Requires direct physical contact with the conductor or terminal
- Not intended for heavy-duty torque applications
Setup, Compatibility & Care
This tool requires no setup; it is ready to use out of the packaging. It is compatible with standard 250V AC domestic and light commercial electrical systems. To maintain the integrity of the tool, store it in a dry, cool place to prevent moisture accumulation on the insulated surfaces. Before each use, inspect the blade insulation for cracks or damage; if the insulation is compromised, the tool should be replaced immediately to ensure user safety. Avoid using this screwdriver as a pry bar or for heavy fastening, as this may damage the tip or compromise the insulation sheath.