DH431
This small portable device detects light intensity and produces an audible tone which varies according to brightness and contrast.
The light detector is easy to use; simply slide the power switch to ‘on’ then press and hold the semi-circular button while pointing the device at different areas. The audible tone will change with the brightness it measures – the higher the light intensity the higher the tone. A consistent tone indicates a uniform colour while a varying tone indicates a patterned or colourful surface.
- Portable light detector with keychain.
- Easy to use; detects brightness and contrast.
- Product colour: Black.
- Size: 6.5 × 1 × 3.6cm (2.5 × 0.4 × 1.4 inches).
- Weight: 25g (0.88oz).
Batteries
- Requires 2 × CR2032 batteries (included).
This item is eligible for VAT exemption.
Downloadable product instructions
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