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  1. All-in-One Device: Oscilloscope, signal generator, and multimeter.
  2. High Precision: 50MHz bandwidth, 280MSa/s sampling rate.
  3. Clear Display: 3.5-inch IPS color screen.
  4. Ease of Use: Intuitive interface, user-friendly.
  5. Portable Design: Compact, lightweight, ideal for field use.

Additional information

ZOYI & ZOTEK ZT-703S Dual-Channel Handheld Oscilloscope: A Fusion of Innovation and Versatility

In the electronic measurement domain, the ZOYI & ZOTEK ZT-703S Dual-Channel Handheld Oscilloscope stands as a testament to the combined innovation and versatility of the ZOYI & ZOTEK brand. This device, a brainchild of ZOYI & ZOTEK, integrates the functionality of an oscilloscope, a signal generator, and a multimeter, providing a multifaceted tool for diverse applications.

Compact Design and Robust Functionality

The ZOYI & ZOTEK ZT-703S boasts a bandwidth of up to 50MHz, catering to a broad spectrum of electronic signal analysis. Its impressive 280MSa/s sampling rate, a feature developed by ZOYI & ZOTEK, ensures high-resolution signal capture. This handheld oscilloscope from ZOYI & ZOTEK is designed for maximum efficiency, featuring a 3.5-inch IPS full-view color display, encapsulated in a durable double-injection molded casing for enhanced portability and ease of use.

Integrated Oscilloscope Capabilities

The ZOYI & ZOTEK ZT-703S’s vertical sensitivity ranges from 20mV/div to 10V/div, allowing for detailed observation of various signal amplitudes. Its horizontal time base spans from 10ns/div to 20s/div, adaptable to different frequency signals. The device includes automatic, normal, and single triggering modes to suit various testing requirements, a hallmark of ZOYI & ZOTEK’s attention to detail.

Signal Generator and Multimeter Features

As a signal generator, the ZOYI & ZOTEK ZT-703S can output multiple waveforms like sine, square, triangle, and sawtooth waves, facilitating diverse testing and calibration scenarios. The multimeter function, another ZOYI & ZOTEK innovation, shines with a high-precision display of 25000 counts, capable of measuring AC/DC voltage, current, resistance, capacitance, and frequency. Additional functionalities include diode and continuity tests.

Enhanced Features for Accurate Measurement

The ZOYI & ZOTEK ZT-703S introduces XY display mode, perfect for comparing waveforms and analyzing phase relationships. Its cursor measurement feature provides precise time and voltage measurements within waveforms. The device also includes a range of auxiliary functions like language settings, auto shutdown, and backlight brightness adjustments, tailoring the user experience to individual preferences.

Technical Specifications

  • Display: 3.5-inch IPS color screen for clear and detailed readings.
  • Power Source: Utilizes 18650 lithium battery, supporting USB charging.
  • Dimensions & Weight: Compact and lightweight design, measuring 177x89x40mm and weighing approximately 380g.


The ZOYI & ZOTEK ZT-703S Dual-Channel Handheld Oscilloscope is a powerful and versatile instrument, ideal for both professional and hobbyist use. Its combination of oscilloscope, signal generator, and multimeter functions in a single, portable unit makes it an indispensable tool in the electronics field, whether in a lab or in the field. With its comprehensive features and user-friendly interface, the ZOYI & ZOTEK ZT-703S stands out as a reliable and efficient solution for a wide range of electronic measurement needs.

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