---
product_id: 14791949
title: "GoolRC HJ Digital Servo Tester/ESC Consistency Tester for RC Helicopter Airplane Car"
brand: "goolrc"
price: "₨534"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/14791949-goolrc-hj-digital-servo-tester-esc-consistency-tester-for-rc
store_origin: SC
region: Seychelles
---

# 250Hz digital signal frequency 2µs pulse accuracy 4 servo synchronized output GoolRC HJ Digital Servo Tester/ESC Consistency Tester for RC Helicopter Airplane Car

**Brand:** goolrc
**Price:** ₨534
**Availability:** ✅ In Stock

## Summary

> ⚙️ Master your RC setup with pinpoint precision and pro-level control!

## Quick Answers

- **What is this?** GoolRC HJ Digital Servo Tester/ESC Consistency Tester for RC Helicopter Airplane Car by goolrc
- **How much does it cost?** ₨534 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/14791949-goolrc-hj-digital-servo-tester-esc-consistency-tester-for-rc)

## Best For

- goolrc enthusiasts

## Why This Product

- Trusted goolrc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Multi-Mode Flexibility:** Switch effortlessly between manual, neutral, and automatic modes to suit any testing scenario.
- • **Precision Pulse Control:** Achieve ultra-fine 2 microsecond signal accuracy for flawless servo response.
- • **Synchronized 4-Servo Output:** Test and compare up to four servos simultaneously for ultimate efficiency.
- • **Compact & Lightweight Design:** Portable 39g tester fits perfectly in your toolkit for on-the-go diagnostics.
- • **High-Frequency Digital Signals:** Up to 250Hz digital servo signal cycle ensures rapid and reliable performance testing.

## Overview

The GoolRC HJ Digital Servo Tester/ESC Consistency Tester is a compact, lightweight device designed for professional-grade testing of RC servos and ESCs. It supports synchronized output for up to four servos, offers ultra-precise 2 microsecond pulse width accuracy, and operates across multiple signal frequencies including a high-speed 250Hz digital mode. Ideal for RC helicopter, airplane, and car enthusiasts seeking reliable, efficient servo performance diagnostics.

## Description

Descriptions: Can be synchronized output control 4 servos and used to compare the performance steering gear control of the steering servo output signal can be accurate to 2us (1 milliseconds = 1000 microseconds), you can test the steering gear is able to respond to subtle changes With PPM signal test function in the display, the input PPM signal changes while the input the PPM signal synchronization output to the servo Energized automatically enter manual mode (Manual) 20us 50H analog servo signal cycle, frequency 50Hz, rotary potentiometers to decrease or increase the width of the output pulse.  Button the Select (Note: the key switch function, circulation patterns) 1. S-1 manual mode (Manual) 2. S-2-bit mode (Neutral) 3. S-3 automatic mode (Automatic) Keys pulse width: 1. 50H analog servo signal cycle 20us frequency 50Hz 2. 125H digital the steering gear a signal cycle 8us frequency 125Hz 3. 250H Digital Servo signal cycle 4us frequency 250Hz  Specifications: Brand: HJ Material: Plastic Color: Blue + black Input voltage: DC 5~6V Output signal width: 800~2200us Package size: 14 * 10 * 3cm / 5.5 * 3.9 * 1.2in Package weight: 39g / 1.4oz  Package list: 1 * HJ Digital Servo Tester / ESC Consistency Tester

## Features

- 100% brand new
- 1 * HJ Digital Servo Tester / ESC Consistency Tester
- 250H Digital Servo signal cycle 4us frequency 250Hz
- 50H analog servo signal cycle 20us frequency 50Hz
- Search EverTrust for more choices!

## Product Details

- **Brand:** GoolRC
- **Power Source:** Battery Powered
- **Style:** Compact
- **Color:** Black/Blue
- **Item Weight:** 9.07 g

## Images

![GoolRC HJ Digital Servo Tester/ESC Consistency Tester for RC Helicopter Airplane Car - Image 1](https://m.media-amazon.com/images/I/519DGU1Q1wL.jpg)
![GoolRC HJ Digital Servo Tester/ESC Consistency Tester for RC Helicopter Airplane Car - Image 2](https://m.media-amazon.com/images/I/51vjm8EwH1L.jpg)
![GoolRC HJ Digital Servo Tester/ESC Consistency Tester for RC Helicopter Airplane Car - Image 3](https://m.media-amazon.com/images/I/51aag4JtqyL.jpg)
![GoolRC HJ Digital Servo Tester/ESC Consistency Tester for RC Helicopter Airplane Car - Image 4](https://m.media-amazon.com/images/I/61MY96PzJxL.jpg)
![GoolRC HJ Digital Servo Tester/ESC Consistency Tester for RC Helicopter Airplane Car - Image 5](https://m.media-amazon.com/images/I/5144435i3ZL.jpg)

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**Shop now:** [https://www.desertcart.sc/products/14791949-goolrc-hj-digital-servo-tester-esc-consistency-tester-for-rc](https://www.desertcart.sc/products/14791949-goolrc-hj-digital-servo-tester-esc-consistency-tester-for-rc)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-01-24*