Testboy Testboy 50 Digital Brake Fluid Testing Pin, DOT 4, IP 40, IEC/EN 61010-1, 152 x 23.5 mm
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Testboy
Testboy designs rugged, affordable electrical test instruments, including voltage detectors, insulation testers, and clamp meters for industrial and field use.
The Testboy 50 is a compact and reliable testing pin for quickly checking DOT 4 brake fluids. With five LEDs indicating water content, it offers fast and precise diagnostics for glycol-based brake fluids—ideal for quick inspections in automotive workshops. Its illuminated probes, durable design, and resistance to acids and alkalis ensure long-lasting performance.