Description
The ZOYI ZT-703S is a premium all-in-one measurement instrument designed for electronics professionals, hobbyists, technicians, and engineers who need one compact yet powerful tool. With the ZOYI ZT-703S you get the combined capabilities of a dual-channel oscilloscope, a high-precision digital multimeter, and a signal generator — truly a versatile instrument for test, measurement and troubleshooting.
Key Features & Capabilities
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Dual-Channel Oscilloscope: The ZOYI ZT-703S offers up to 50 MHz bandwidth and a real-time sampling rate of up to 280 MSa/s, enabling you to capture and analyse fast electrical signals and waveforms with precision. zoyitools.com+2Elektor+2
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High-Resolution Digital Multimeter: Integrated into the device is a true RMS digital multimeter with up to 25,000 counts resolution. This high count increases measurement granularity and accuracy for voltage, current, resistance, capacitance and frequency measurement. bulcomp-eng.com+1
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Built-in Signal Generator: The ZOYI ZT-703S includes a function generator that can output a variety of waveforms (sine, square, triangle, sawtooth, etc.), making it suitable for signal testing, calibration and electronics development. Elektor+1
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Compact, Portable and Field-Ready Design: The unit features a 3.5-inch IPS full-colour display, ergonomic housing with durable ABS + TPE construction, and built-in rechargeable lithium battery with USB-C charging. Dimensions and weight are optimised for onsite use and portable testing. Rajshree Electronics –+1
Why Choose the Zigmotech ZOYI ZT-703S?
When you select the Zigmotech ZOYI ZT-703S, you benefit from a tool that reduces the need for multiple separate instruments. Instead of carrying a standalone oscilloscope, a multimeter and a generator, you have all three functions in one handheld unit. This saves space, reduces cost and simplifies workflow.
The true RMS multimeter component brings accurate readings in complex electrical situations (e.g., distorted waveforms, switching power supplies, variable frequency drives). The oscilloscope component allows detailed waveform analysis, triggering and signal capture which is critical in electronics design, repair and diagnostics. The signal generator adds capability for testing circuits under known waveform conditions, stimulating sensors, modules or systems with configurable signals.
Typical Applications
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Electronics design & prototyping: Measure and debug signals in microcontroller circuits, power supplies, oscillators, mixed analog/digital systems.
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Automotive diagnostics: Use the oscilloscope to check sensor waveforms, generator/stator signals, ignition waveforms, and the multimeter to measure voltage, current and resistance.
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Field service & maintenance: Portable, lightweight and battery powered — ideal for onsite repairs, industrial equipment maintenance, motor drives, inverter systems.
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Education & training: Students and instructors benefit from the broad feature set in one tool to teach circuit behaviour, waveform analysis and measurement technique.
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Hobbyists / makers: From DIY electronics to robotics, audio testing, signal experiments – the ZT-703S provides professional features at an accessible level.
Technical Highlights
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Display: 3.5-inch IPS full-colour screen offering clear waveform view and measurement read-out. The DMM+1
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Oscilloscope: Dual channel input, 50 MHz bandwidth, up to 280 MSa/s real-time sampling. Rajshree Electronics –+1
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Multimeter: Up to 25,000 counts resolution, auto-ranging, true RMS measurement on AC voltage / current. zoyizotek.com+1
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Signal Generator: Outputs multiple waveform types – sine, square, triangle, sawtooth, half/full wave, with frequency range of 1 Hz and above. parts4laptops.eu+1
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Construction: Durable ABS + TPE casing, handheld size (~177 × 89 × 40 mm) and ~345g weight (no battery) for portability. Rajshree Electronics –
User-Friendly Features & Safety
The ZOYI ZT-703S features intuitive switching between oscilloscope, multimeter and generator modes with minimal setup. The coloured display makes it easier to interpret waveforms and measurement data; user-adjustable backlight, storage of waveform screenshots, USB connectivity and firmware update capability further enhance usability. The multimeter section supports diode testing and continuity buzzer function, helping with wiring checks and fault diagnosis. The instrument is designed with safety in mind: robust build, clear isolation between oscilloscope inputs and multimeter sections, and a design suited for educational, service and lab-use environments.
Summary
The Zigmotech ZOYI ZT-703S brings exceptional value and versatility in one handheld instrument. Whether you’re a professional engineer, a technician in the field, a student learning electronics, or a hobbyist building circuits, this 3-in-1 device empowers you with the functionality of an oscilloscope, multimeter and signal generator. With high resolution, dual-channel scope capability, true RMS multimeter accuracy and compact portability, the ZT-703S stands out as a smart investment for your measurement toolkit.
