Key benefits - All-in-one portable instrument: built-in oscilloscope with 12 MHz bandwidth, digital multimeter with 6,000 counts, and waveform generator in a single compact device for on-site and bench testing. - Quick insight and record keeping: one-key waveform display, waveform hold, automatic and manual range switching, and the ability to view real-time and stored data on the same screen. - Portable and self-powered: lightweight design (about 260 g) with a 240 x 320 color screen and built-in battery for field use or compact workspaces. - Flexible measurement and generation: wide measurement ranges for voltage, current, resistance, capacitance, and frequency; multiple generator waveforms with adjustable frequency, duty cycle, and amplitude; automatic measurement of Vpp, Vavg, Vrms, and Hz. What this device does - 3 in 1 functionality: integrated oscilloscope, digital multimeter, and waveform generator in one portable unit. - Screen and interface: 240 x 320 color display for clear waveform visualization; built-in battery supports portable operation. - Measurement ranges and tests: supports DC voltage 0-1000 V, AC voltage 0-750 V, DC/AC current 0-10 A, resistance 0-60 MΩ, capacitance 10 nF to 100 mF, and frequency 1-20 MHz; diode and continuity tests with 2.8 V open-circuit voltage; judgement resistance 50 Ω; fuse specifications 750 mA/250 V and 10 A/250 V. - Generator features: three waveform outputs (sine 100 Hz–100 kHz, triangle 100 Hz–50 kHz, square 100 Hz–20 kHz); adjustable frequency, duty cycle, and amplitude/voltage; supports automatic measurement of Vpp, Vavg, Vrms, and Hz. - Measurement modes and data: one-key waveform view with automatic, conventional, and single sweep modes; data waveform hold during measurement; stores up to 100 data sets and 10 waveforms; automatic/manual range switching; real-time and stored data shown on the same screen. Specifications at a glance - Measurement ranges - DC Voltage: 0 to 1000 V - AC Voltage: 0 to 750 V - DC/AC Current: 0 to 10 A - Resistance: 0 to 60 MΩ - Capacitance: 10 nF to 100 mF - Frequency: 1 to 20 MHz - Test features - Diode / Continuity: open circuit voltage 2.8 V - Judgement resistance: 50 Ω - Fuse specifications: 750 mA/250 V, 10 A/250 V - 3-in-1 functions - Built-in oscilloscope: 12 MHz bandwidth - Digital multimeter: 6,000 counts - Waveform generator - Form factor - Weight: about 260 g - Display: 240 x 320 color screen - Power: built-in battery - Signals and measurements - Waveforms: sine, triangle, square - Generator ranges: sine (100 Hz–100 kHz), triangle (100 Hz–50 kHz), square (100 Hz–20 kHz) - Automatic measurements: Vpp, Vavg, Vrms, Hz - Data storage - Data sets: 100 - Stored waveforms: 10 - Data handling: waveform hold; display real-time and stored data on the same screen Two to three practical use scenarios - Electronics bench testing - Quickly diagnose a PCB circuit by viewing live voltage waveforms, measuring DC/AC signals, checking resistance and capacitance, and generating test waveforms for signal integrity analysis, all with one handheld instrument. - Field maintenance and troubleshooting - Take the unit on-site to verify electrical installations, test power supplies, and capture waveform data with the compact, battery-powered device. Use the built-in generator to simulate signals and the data storage to compare before/after measurements. - Education and training - Useful in laboratories and classrooms to teach waveform concepts and measurement techniques. Students can observe real-time waveforms, store multiple measurements, and review previously captured data on the same screen. Notes on compatibility and performance - The instrument provides a wide range of measurement and generation capabilities suitable for common electronics and electrical testing tasks. - The 12 MHz oscilloscope bandwidth and 1-20 MHz frequency coverage enable practical analysis of many signals encountered in hobbyist and professional projects. - The combination of a color display, built-in battery, and data storage supports both portable field use and compact desk setups without external equipment. This description preserves the original product specifications and functionality, while presenting the information in a clear, customer-oriented format with emphasis on benefits, key features, and practical applications.