ZOYI ZT-706S is a 3-in-1 dual-channel Oscilloscope

ZOYI ZT-706S Handheld Oscilloscope Multimeter 3-in-1 Professional Test Instrument 1. Product Overview The ZT-706S is a 3-in-1 handheld measurement instrument that integrates a dual-channel oscilloscope, a 66000-count true-RMS digital multimeter, and a signal generator. It is designed for electronic maintenance, industrial testing, automotive diagnostics, and field electrical measurement applications. With a compact handheld structure and a 3.5-inch IPS full-view color display, the device provides stable performance and intuitive operation for professional and technical users. 2. Key Features 3-in-1 integrated design: Oscilloscope, Digital Multimeter, and Signal Generator 50 MHz dual-channel oscilloscope with up to 280 MSa/s sampling rate 66000-count true-RMS multimeter for accurate electrical measurement Built-in signal generator with multiple standard waveform outputs 3.5-inch IPS color display with wide viewing angle One-key AUTO setup for fast waveform stabilization Multiple trigger modes: Auto / Normal / Single; Rising / Falling edge Advanced analysis functions: FFT spectrum, XY (Lissajous), cursor measurement, waveform persistence Waveform storage, screenshot capture, and USB data export Rechargeable lithium battery with Type-C charging support Internal protection design for overload and incorrect operation conditions 3. Functional Modules Oscilloscope Module Dual-channel input (CH1 / CH2) Bandwidth: 50 MHz Sampling rate: 200 MSa/s (Normal), 280 MSa/s (High-Speed) Time base: 10 ns/div – 20 s/div Vertical sensitivity: 20 mV/div – 10 V/div Input coupling: DC / AC Probe attenuation: ×1 / ×10 Display modes: Y-T / XY / Roll Trigger modes: Auto / Normal / Single Measurement functions: Vpp / Vmax / Vmin / RMS / Frequency / Period / Duty cycle / Pulse count Multimeter Module Display: 66000 counts, true-RMS Auto / manual range selection Measurement functions: DC voltage: 66.000 mV – 1000.0 V AC voltage: 66.000 mV – 750.0 V DC/AC current: 66.000 mA – 10.000 A Resistance: 660 Ω – 66.000 MΩ Capacitance: 9.999 nF – 99.99 mF Frequency: up to 99.99 kHz Additional functions: Diode test / Continuity buzzer / VFC filtering / MAX-MIN-AVG recording Signal Generator Module Waveform types: Sine / Square / Triangle / Sawtooth / Half-wave / Full-wave Output range: Sine wave: up to 10 MHz Square / Triangle: up to 2 MHz Sawtooth / Rectified waveforms: up to 200 kHz Adjustable parameters: Frequency / Amplitude / Duty cycle 4. Specifications Oscilloscope: Bandwidth: 50 MHz Channels: 2 Sampling rate: 200 MSa/s / 280 MSa/s Input impedance: 1 MΩ || 16 pF Time base: 10 ns/div – 20 s/div Vertical sensitivity: 20 mV/div – 10 V/div Multimeter: True RMS measurement system High accuracy electrical measurement across voltage, current, resistance, capacitance, and frequency Signal Generator: Multi-waveform output with adjustable parameters General: Display: 3.5-inch IPS color screen Power supply: Rechargeable lithium battery (Type-C charging) Dimensions: 177 × 89 × 40 mm Weight: approx. 390 g (with battery) Operating temperature: 0 °C – 40 °C Storage temperature: -20 °C – 60 °C 5. Applications Electronic circuit debugging and repair Industrial equipment maintenance Automotive electrical system diagnostics Power distribution inspection Laboratory and engineering training Field electrical measurement and troubleshooting 6. Power & Design The device is powered by a rechargeable lithium battery and supports Type-C charging for convenient field operation. Its reinforced dual-injection molded housing provides improved durability and suitability for portable professional use. 7. Safety & Protection The ZT-706S is designed with internal protection architecture for electrical measurement safety, including overload protection and input protection across measurement modes. It is engineered to reduce the risk of damage during incorrect operation and to ensure stable performance under typical industrial and field conditions.