Multi Servo Tester 3CH ESC Consistency Speed Controller

Electrical Specifications

Input Voltage: 5v
Signal Output Type: Standard RC PWM signal
PWM Output Range:

• Pulse width: 1.0 ms – 2.0 ms (center 1.5 ms)

• Control range: 0–100% servo travel
  Output Current (Signal): ≤ 15 mA per channel
  Channels: 3 independent outputs (CH1, CH2, CH3)

Operating Modes

Manual Mode

• Servo position or ESC throttle is controlled manually using the knob.

• Smooth movement controlled by user rotation.

Neutral (Center) Mode

• Automatically moves servo to 1.5 ms center position.

• Ideal for servo calibration and horn installation.

Automatic / Sweep Mode

• Automatically sweeps servo from minimum to maximum position.

• Used to test servo range, consistency, and mechanical smoothness.

• Also useful for ESC speed response test.

Compatibility

• Works with all analog and digital RC servos.

• Works with Brushed / Brushless ESCs (with BEC or external power).

• Supports CCPM (Cyclic Collective Pitch Mixing) setups.

• Can test 1–3 servos or ESCs simultaneously.

Physical Specifications

Dimensions: Approx. 48 mm × 42 mm × 17 mm
Weight: Approx. 7–8 g
Housing Material: Plastic enclosure (commonly blue)
Control Input: Single rotary knob
Indicators: LED status indicator (mode/signal activity)

Features

• Simple and compact servo/ESC diagnostic tool

• No transmitter/receiver required

• Useful for servo centering, range testing, and alignment

• Can test multiple servos at once for consistency

• Excellent for RC aircraft, robotics, and servo-based mechanisms

• Reduces risk during ESC motor testing by providing precise throttle control

• Low-cost and high reliability for workshop or field debugging

Typical Applications

• RC airplane and helicopter servo calibration

• ESC throttle range testing

• Robotics servo alignment

• Consistency testing of multiple servos

• Bench testing motors without a transmitter

• Quick setup and diagnostics during RC assembly