Product Features & Benefits

Powered by the vehicle battery; won’t operate if connected to the wrong polarity.
On-screen prompts lead you quickly through testing.
You’ll find the minimum boiling (vaporizing) point along with minimum recommended levels for various types of brake fluid.
Works on DOT 3, DOT 4, and DOT 5.1 fluids.
No consumable test strips; buy this tool and test every vehicle that comes into your shop. No. 3890 – Brake fluid safety meter.

Brake Fluid Safety Meter Check condition of brake fluid in less than a minute! Water can enter a brake system though microscopic holes anywhere in the system. Once inside, it can cause corrosion in system components...it can vaporize under the high heat conditions of hard braking situations...it can cause danger-ous degradation of your customer’s ability to stop safely! The No. 3890 can diagnose a brake system in under a minute. It actually boils a small sample of brake fluid in the reservoir to test for water contamination.

OTC Tools 3890 - Brake Fluid Safety Meter for DOT 3, DOT 4, and DOT 5.1 Fluids

Part #: OTC3890

Availability: Out of Stock

OTC Tools 3890 - Brake Fluid Safety Meter

Retail Price:$1,118.51

Your Savings:$479.36(43%)

Our Price: $639.15

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