These knobs control the amplitude (Voltage) of the waveform.

The Hanmatek DOS1102 is a capable 100 MHz oscilloscope for its price, but its menu-driven interface makes the user manual indispensable. Always download the latest PDF version from Hanmatek’s official download page and keep it on your smartphone or PC for quick reference.

By understanding the manual’s sections on triggering, automatic measurements, and the waveform generator, you can unlock the full potential of this versatile 2-in-1 tool.


Disclaimer: This article is for informational purposes. Always refer to the official Hanmatek DOS1102 manual for safety instructions and accurate operating procedures.

Overview

The Hanmatek DOS1102 is a 2-channel digital oscilloscope with a bandwidth of 100 MHz and a sampling rate of 1 GS/s. It features a 7-inch TFT LCD display and is designed for use in a variety of applications, including electronics, electrical engineering, and education.

Key Features

Operating Instructions

Menu and Functionality

The DOS1102 has a menu-driven interface with the following main menu items:

Troubleshooting

If you encounter issues with your DOS1102, refer to the troubleshooting section in the manual. Common issues and their solutions include:

Conclusion

The Hanmatek DOS1102 is a versatile digital oscilloscope suitable for a range of applications. By familiarizing yourself with the operating instructions, menu, and functionality, you can effectively use the oscilloscope to measure and analyze signals.


Likely cause: Noise on the signal confusing the trigger. Manual reference: Trigger Coupling and Noise Rejection. Fix: In the Trigger Menu, change Coupling to HF Reject (high-frequency reject). This filters out sharp noise spikes. Alternatively, increase the Trigger Holdoff time—this tells the scope to ignore triggers for a short period after each trigger event.

Understanding the device's limits is critical for accurate measurement.

Answer: No. Hanmatek does not publish internal schematics for the DOS1102. Attempting to repair the power supply or input stage without a schematic is dangerous. Contact the seller for warranty service.

A standout feature of the DOS1102 is its deep memory. According to the manual:

Many users search for the manual only after encountering an issue. Here are common DOS1102 problems and the manual’s solution explained simply.

Answer: Search for “Hanmatek DOS1102 PC software” or download “Hantek DSO2X1X PC software” as a fallback. The manual lists the correct software name—often a variant of ScopeExplore or EasyScopeX.