Tamiya 74021 Compact Digital Multimeter for Modelers [74021]

Tamiya 74021 - Digital Multimeter - RA300

Price:

£30.76

Brand:

Tamiya

Model:

74021

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Essential Electrical Tool for Model Maintenance

The Tamiya 74021 Digital Multimeter, also listed as the RA300, delivers clear numeric readouts for checking batteries, ESC inputs and basic circuit troubleshooting. Simple controls and a compact form factor suit both beginners and experienced modellers for routine checks.

Specifications

Measurement Type: Voltage, Current, Resistance
Display: Digital LCD
Power Source: 9V Battery
Dimensions: Compact and portable

Reliable for everyday diagnostics, the Tamiya 74021 Digital Multimeter helps you confirm electrical health before and after runs.

What kinds of circuits can I test?

You can test battery packs, motor leads, ESC connections and other low voltage components when you follow safe measurement practices for each system.

How clear is the LCD display?

The LCD shows numeric values clearly in normal lighting; glare can reduce visibility so adjust the viewing angle or shade the screen during outdoor checks.

How do I avoid short circuits while measuring?

Disconnect power where practical, keep probe tips steady and avoid bridging terminals. Use insulated probe handles and work on a non conductive surface.

Are replacement batteries easy to source?

Yes, 9V batteries are commonly available and simple to replace, making it easy to keep the meter ready for use.

Is this meter suitable for engine tuning checks?

For electrical checks related to ignition or battery systems you can use the meter; for specialised engine tuning use the recommended engine-specific instruments.

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