Digital RC Servo & ESC Tester, 4.8–6V with Pulse Display
Check a compatible servo on the bench before fitting it into an RC model. This digital servo and ESC tester sends an adjustable pulse signal and shows the setting on a numeric display. It is for RC builders comparing servo response without a transmitter-and-receiver setup.
- ✅ Check servo movement before installation — The rotary control changes the test signal at the bench.
- ✅ Compare several servos at the same setting — Seven numbered outputs share the tester's signal.
- ✅ See the signal setting while adjusting — The numeric display gives a visible reference beside the control knob.
- ✅ Match the test to the servo type — Selectable analogue and digital signal settings accommodate compatible devices.
A visible signal reference for RC bench testing
Connect an appropriate 4.8–6V supply and select the correct signal setting for the servo before attaching it. The rotary control changes the pulse width, giving you a way to observe movement and compare responses before the component is installed in a model. Check the servo's own permitted voltage and signal frequency first.
The numbered output bank makes it possible to connect compatible servos for a common signal comparison. The display provides a numerical reference while the Select and PulseWidth buttons provide access to the tester settings. The available pulse-width range is 800–2200μs, so keep operation within the connected device's permitted limits.
The package contains one tester only. Servos, an ESC, a power supply and a battery are not included. It is a signal-testing accessory, not a charger, motor driver or complete RC control system; any ESC setup must follow its own wiring and safety instructions.
The connector bank identifies signal, positive and negative rows; match the wiring before connection.
The numeric display provides a signal-setting reference while testing.
The Select and PulseWidth buttons sit beside the rotary control.
Seven numbered outputs allow compatible devices to receive a common test signal.
The compact unit brings the signal controls and display together at the bench.
Technical details
- Product: digital RC servo/ESC signal tester
- Input supply: 4.8–6V
- Pulse-width range: 800–2200μs
- Selectable signal frequencies stated: 50, 125 and 250Hz
- Outputs: 7 numbered connections
- Controls: rotary knob, Select and PulseWidth buttons
- Display: numeric LED readout
- Connection rows: signal, positive and negative
- Package: 1 tester
- Exclusions: servo, ESC, supply and battery not included
Add a visible signal reference to your RC bench and check compatible servos before installing them.
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