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The Fixed Wing
Electric Flight Specialists

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ToolkitRC ST8 Multifunctional Servo Tester

ToolkitRC ST8 Multifunction Servo Tester

ToolkitRC ST8 Multifunction Servo Tester

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The ToolKitRC ST8 Multifunctional Servo Tester

The ToolKitRC ST8 is a small but accurate Servo Tester


  • ToolkitRC ST8 is a data analyzer which is capable to test the voltage, power, current, speed and signal data of the servo.
  • With 4-way independent programmable signal, 8 channel signal output, the precision is accurate to 1us.
  • 4-way independent current date collection, and displayed by graph.
  • Support to test multiple date, speed, liner data, steps,etc.
  • Support multiple signal type, PWM/PPM/SBUS,the precision is accurate to 1us.
  • Input Voltage is higher to 28V, also suitable to test HV servo.
  • The max load is up to 100W.
  • Multi-language system, can change the language by yourself.
  • USB firmware update, easy to operate.


  • Channel: 8CH Output
  • Load (max): 100W
  • Input Voltage: 7.0-28.0VDC @MAX 10A
  • Main Output Voltage: 5.0-28.0VDC @MAX 10A
  • Signal Output Voltage:
  • 5.0-8.4V@MAX 2A (S1-S4)
  • 5.8-8.4V@MAX 4A (S1-S4)
  • Output Signal:
  • 100us-2900us@33-1000Hz @S1-S4
  • PWM 500us-2500us @S5
  • PPM 8CH @S5
  • SBUS 16CH @S5
  • P1 Button: 1000-2000us @P1
  • Micro USB: Update @USB 3.0
  • Display: 2.4" TFT RGB LCD Screen(320*240 resolution)
  • Product Size: 96 x 68 x 26mm Approx.
  • Net Weight(Approx): 140g


Connect 7-28VDC power supply, After power-on, the LCD screen displays the logo and continues for 2 seconds, with the starting music
Press "EXIT" button to test PWM signal
Rotate the Button to choose different channel and press "EXIT" to confirm
Long-press the "OK" button (2s) to enter system setting
Press "EXIT" to finish setting


  • S1-S4, S4 EXT signal interface support MAX 2A current, please connect to main interface when the current of servo is higher than 2A.
  • S1-S4 signal interface support MAX 8.4 voltage, please connect to main interface when the voltage of servo is higher than 2A.



1 x TookitRC Servo Tester
1 x USB Cable
1 x Manual

Please click here to download the ToolkitRC ST8 manual

Part Number Description Price Quantity
ToolkitRC ST8 Servo Tester ToolkitRC ST8 Servo Tester £49.99
XT60H Connectors
Click on photo for
larger image
XT60 Connectors
XT-60 type connectors
(5 off male & 5 off female)
(Comes with terminal covers)
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