CNBJ-611 Fuse Current Tester – Safe and accurate current measurement for vehicles
What is the CNBJ-611 Fuse Current Tester?
The CNBJ-611 Fuse Current Tester is a professional diagnostic tool for measuring current in vehicle electrical systems via fuse slots. With a measurement range of 0.01A–19.99A and high accuracy, it is a perfect aid for both workshops and vehicle enthusiasts. By replacing a fuse with the tester, you can quickly and easily identify faults in the vehicle's electrical system without having to cut or break cables.
Why choose the CNBJ-611 Fuse Current Tester?
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Accurate measurement: Accuracy ±(2% of reading + 2 digits).
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Quick results: Measures current directly when the circuit is activated.
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Easy to use: Insert the tester into the fuse socket and read the display.
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Universal: Fits most 12V vehicles (passenger cars, light trucks, commercial vehicles).
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Safe: Max load 20A/48Vdc for max 10 seconds for protected operation.
How to use the CNBJ-611 Fuse Current Tester?
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Turn off the engine: Before connecting the tester.
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Remove the fuse: Place it in the tester's slot (20A standard).
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Connect the tester: Insert the tester's connector into the vehicle's fuse socket.
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Start the circuit: Turn on the vehicle's system and press the power switch.
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Reading: The display shows the current consumption in real time.
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Turn off: Press the power button after completing the measurement.
Who needs the CNBJ-611 Fuse Current Tester?
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Car workshops: For troubleshooting lighting, AC, radio, power windows, and other electrical circuits.
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Vehicle enthusiasts: Do-it-yourself mechanics who want to analyze electrical faults at home.
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Commercial vehicles: Buses, vans, and trucks where quick diagnosis saves time.
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Education: Perfect tool in technical schools for teaching vehicle diagnostics.
Technical specifications
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Model: CNBJ-611
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Measurement range: 0.01A – 19.99A
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Max load: 20A/48Vdc (max 10 seconds)
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Accuracy: ±(2% of reading + 2 digits)
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Operating voltage: 12V, 23A battery
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Material: ABS plastic
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Operating temperature: 0°C – 40°C
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Storage temperature: –10°C – 50°C
Tips for storage & care
CNBJ-611 Fuse Current Tester – maintenance advice
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Store dry: Avoid humid environments, store in a toolbox.
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Cleaning: Wipe with a soft cloth, never use strong chemicals.
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Battery replacement: Use a standard 23A 12V battery, replace when the display is dim.
FAQ – Frequently Asked Questions about the CNBJ-611 Fuse Current Tester
Can I use it on all cars?
Yes, it works on most 12V vehicles with standard fuse slots.
Do I need special tools?
No, it's plug-and-play, no extra tools are required.
Can it measure continuously?
Yes, but at higher currents (above 15A), the measurement should be taken for a short period (max 10s at 20A).
Does it show both low and high current?
Yes, from 0.01A (low standby current) to 19.99A (active systems).
Is it safe to use?
Yes, it has a built-in fuse and follows the standard for fuse testing.
Why buy from Felkodslasare.se?
Because you get a proven CNBJ-611 Fuse Current Tester, fast delivery, Swedish support, and secure payment.
