TOOLTOP ET120MC2 Portable Smart Oscilloscope User Manual

1. Introduction

The TOOLTOP ET120MC2 series is a portable smart oscilloscope and signal generator designed for a wide range of applications, including home appliance inspection, automobile diagnosis, scientific research, education, product development, and power testing. This device features dual-channel measurement capabilities, a high sampling rate, and a compact design, making it an ideal tool for on-site measurements.

Image: The TOOLTOP ET120MC2 Oscilloscope, highlighting its dual-channel, 120MHz bandwidth, and 500MS/s sampling rate capabilities.

2. Package Contents

Please check the contents of your package upon receipt. The items included may vary slightly depending on the model (ET120MC2 or ET120MC2 PRO) purchased.

ET120MC2 PRO Package:

• 1 x TOOLTOP ET120MC2 Oscilloscope
• 2 x Oscilloscope Probes
• 1 x English User Manual
• 1 x Pair of Alligator Clip Cables
• 1 x USB Cable (Type-C)
• 1 x Cloth bag

Image: Contents of the ET120MC2 PRO package, including the oscilloscope, two probes, alligator clip cables, USB cable, user manual, and cloth bag.

ET120MC2 Package:

• 1 x TOOLTOP ET120MC2 Oscilloscope
• 1 x Oscilloscope Probe
• 1 x English User Manual
• 1 x Pair of Alligator Clip Cables
• 1 x USB Cable (Type-C)
• 1 x Cloth bag

Image: Contents of the ET120MC2 package, including the oscilloscope, one probe, alligator clip cables, USB cable, user manual, and cloth bag.

3. Features

• Dual-Channel Oscilloscope: 120MHz single channel, 40MHz dual-channel bandwidth.
• High Sampling Rate: 500MSa/S maximum software equivalent sampling rate.
• Waveform Scanning Modes: Supports Automatic, Single, and Normal modes.
• One-Click AUTO Function: Automatically adapts waveforms to the screen, eliminating the need for manual parameter adjustments.
• Adjustable Waveform Parameters: Time base, amplitude, and trigger slope can be set by the user.
• Integrated Signal Source: Generates Sine, Triangle, and Square waves with adjustable amplitude, frequency, and square wave duty cycle.
• Waveform Storage: Capable of storing up to 2500 DSO waveforms, with support for thumbnail browsing and deletion.
• Built-in Rechargeable Lithium Battery: Provides portability and convenience.
• Compact and Lightweight: Weighs approximately 187 grams, with dimensions of 124x80x35mm, making it easy to carry.
• High-Definition Display: 320*240 color LCD display for clear and accurate waveform visualization.
• Durable Design: Features silicone protective covers on both sides for anti-slip and anti-fall protection, ensuring a comfortable grip.
• Data Transmission: Supports connection to a PC for data analysis and storage.

4. Setup

4.1 Charging the Device

The oscilloscope is equipped with a built-in rechargeable lithium battery. To charge the device, connect the provided USB Type-C cable to the charging port on the device and a compatible DC5V/1A or DC5V/2A power source. The device supports fast charging.

Image: The oscilloscope connected via Type-C for fast charging.

4.2 Connecting Probes and Cables

The device features MCX ports for easy and robust connection of probes and alligator clip cables. Ensure connections are secure before use.

Image: Detail of the MCX ports on the oscilloscope for probe connections.

4.3 Initial Power On

Press and hold the power button to turn on the device. The LCD screen will display the main interface, ready for measurements.

5. Operating Instructions

5.1 Control Panel Overview

Image: Diagram illustrating the control panel buttons and their functions.

• MENU: Accesses the main menu or returns to the previous screen.
• F1: Adjusts voltage parameters.
• F2: Adjusts time parameters.
• SAVE: Saves the current waveform.
• AC/DC: Toggles input coupling between AC and DC.
• 1X/10X: Adjusts magnification (probe attenuation setting).
• 50%: Sets trigger voltage to the average value of the waveform.
• TRIG: Selects trigger mode.
• EDGE: Selects trigger edge (rising/falling).
• MODE OK: Used for waveform zoom/movement and confirmation.
• Arrow Keys (▲ ▼ ◄ ►): Increase/decrease trigger level, move/zoom waveform vertically/horizontally.
• AUTO: Performs automatic adjustment of time base and vertical sensitivity.
• STOP: Stops/runs waveform acquisition.

5.2 Waveform Measurement

The ET120MC2 supports 12 automatic measurement functions for comprehensive waveform analysis:

• Voltage: Vpp (Peak-to-Peak Voltage), Vrms (Root Mean Square Voltage), Vavg (Average Voltage), Vp (Positive Peak Voltage), Vmax (Maximum Voltage), Vmin (Minimum Voltage).
• Time: F (Frequency), T (Period), T+ (Positive Pulse Width), T- (Negative Pulse Width), Du+ (Positive Duty Cycle), Du- (Negative Duty Cycle).

Image: Display showing the 12 waveform measurement functions available on the device.

5.3 Signal Generator Output

The device can output various waveforms with adjustable parameters:

• Sine Wave: 10Hz ~ 100KHz
• Triangle Wave (Ramp): 10Hz ~ 100KHz
• Square Wave: 10Hz ~ 3MHz (Duty Cycle: 10% ~ 90%)
• Output Voltage: 0 ~ 3Vpp

Image: The oscilloscope displaying a sine wave output from its signal generator function.

Image: Examples of Sine, Ramp, and Square wave outputs with adjustable amplitude and frequency settings.

5.4 Scan Modes

The oscilloscope offers three scanning modes:

• AUTO: Continuously collects signals regardless of trigger conditions.
• NORMAL: Collects the last signal that meets the trigger conditions.
• SINGLE: Collects the first signal that meets the trigger conditions and then stops.

Image: Visual representation of the AUTO, NORMAL, and SINGLE scan modes and their behavior.

5.5 Waveform Saving and Data Transmission

The device can store up to 2500 DSO waveforms. Saved waveforms can be browsed as thumbnails or deleted. For further analysis, waveforms can be transmitted to a PC via the USB connection.

Image: The oscilloscope displaying multiple saved waveforms, indicating its 2500 DSO waveform storage capacity.

Image: The oscilloscope connected to a laptop, demonstrating data transmission for analysis.

6. Maintenance

6.1 Cleaning

To clean the device, use a soft, dry cloth. Do not use abrasive cleaners or solvents, as these may damage the casing or screen. Ensure the device is powered off and disconnected from any power source before cleaning.

6.2 Battery Care

The built-in lithium battery provides approximately 4 hours of standby time. For optimal battery life, avoid fully discharging the battery frequently and store the device with a partial charge if not used for extended periods. The device features an auto-shutdown function after 15 minutes of no operation to conserve battery.

6.3 Storage Conditions

Store the oscilloscope in a dry environment with temperatures between -10°C and +60°C and relative humidity below 90%RH. Avoid extreme temperatures, direct sunlight, and high humidity.

7. Troubleshooting

7.1 Common Issues

• Device not powering on: Ensure the battery is charged. Connect the device to a power source using the USB Type-C cable and try again.
• Unstable waveform display: Check probe connections. Adjust trigger settings (TRIG, EDGE, 50%) or use the AUTO function for automatic adjustment.
• PC software not working: Ensure you are using the correct software version for your operating system (Windows 10 and above). Download the latest software from the provided link: Software Download Link.

8. Specifications

Image: A table summarizing the detailed technical specifications of the oscilloscope and signal generator functions.

9. User Tips

• PC Software Compatibility: The provided PC software is designed for Windows 10 and above. If you encounter issues, ensure your operating system meets this requirement.
• Waveform Auto-Adaptation: Utilize the 'AUTO' button frequently for quick and easy waveform display, especially when dealing with unknown signals. This feature automatically adjusts time base and vertical sensitivity.
• Probe Attenuation: Remember to set the 1X/10X switch on your probe to match the setting on the oscilloscope for accurate measurements.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.