Tamiya 74021 Precision Digital Multimeter - RC Tuning Tool [74021]

Tamiya 74021 - Digital Multimeter - RA300

Price:

CAD$57.47

Brand:

Tamiya

Model:

74021

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Accurate Voltage Checks for RC Builds

The Tamiya 74021 Digital Multimeter, also known as the RA300, is a practical tool for RC hobbyists who need dependable voltage and electrical readings. Designed for clear, accurate measurements, it helps you diagnose battery health and confirm wiring during setup and routine maintenance.

Specifications

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

Perfect for modelers who require consistent readings, the Tamiya 74021 Digital Multimeter supports tuning tasks and regular checks with dependable results.

How do I check battery voltage safely?

Measure battery terminals with the pack disconnected from chargers or ESCs, select the correct measurement mode, and keep probe tips steady to avoid accidental shorts.

Will this meter work across different RC models?

Yes, the unit is suitable for cars, boats and planes for basic voltage, current and resistance checks, as long as you observe each model's safety precautions.

When should I replace the 9V battery?

Replace the 9V when the LCD becomes dim or readings fluctuate. Keeping a fresh battery ensures accurate measurements at the track and in the workshop.

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