ET928 TOOLTOP Ooltop Handheld Oscilloscope Multimeter Signal

Review TOOLTOP Ooltop 3-in-1 Handheld Oscilloscope Multimeter Signal Generator 12mhz

Introducing the Tooltop ET928, a versatile and feature-rich 3-in-1 handheld oscilloscope, multimeter, and signal generator. This portable device is an essential tool for electronic engineers, hobbyists, and technicians who require an accurate and reliable instrument for measuring, analyzing, and generating various signals.

The oscilloscope function of the ET928 offers a 2.4-inch LCD screen with a resolution of 240x320 pixels, providing clear and sharp waveform displays. It supports a bandwidth of up to 12MHz and a sampling rate of 50MSa/s, enabling the capture and analysis of high-frequency signals with fine details. The oscilloscope comes with two input probes, allowing for measurement of signals at various points without the need for additional accessories.

The multimeter function of the ET928 is equipped with true RMS measurement capabilities, ensuring accurate readings for AC and DC voltage, current, resistance, capacitance, and frequency measurements. The multimeter also includes diode testing and continuity testing features, making it a comprehensive tool for troubleshooting electrical circuits.

The signal generator function of the ET928 is capable of generating sine, square, triangle, and pulse signals with adjustable frequency, amplitude, offset, and duty cycle. It provides a wide frequency range of 20Hz to 12MHz, making it suitable for testing a variety of electronic components and systems. The signal generator also includes a built-in noise generator, providing white noise and random noise options for testing sensitivity and immunity to noise.

Additional features of the ET928 include data saving and exporting capabilities, allowing users to save and transfer waveform data to a computer for further analysis. It also includes automatic and manual triggering options, enabling precise timing for signal capture and analysis. The device is powered by an internal rechargeable battery and includes a USB cable for charging and data transfer.

In summary, the Tooltop ET928 is a powerful and versatile handheld oscilloscope, multimeter, and signal generator that offers accurate and reliable measurements and signal generation capabilities for electronic engineers, hobbyists, and technicians. With its clear LCD display, wide frequency range, and true RMS measurement capabilities, the ET928 is an indispensable tool for anyone working with electronic circuits and systems.

The ROHS-compliant Tektronix TPT-E928 3-in-1 Handheld Oscilloscope, Multimeter, and Signal Generator is a versatile and convenient testing solution for electronic technicians and hobbyists. Let's examine the key features, advantages, and potential drawbacks of this device.

1. Triple functionality: Oscilloscope, Multimeter, and Signal Generator in a single compact device.

2. 12 MHz bandwidth oscilloscope: Offers decent resolution and sufficient bandwidth for most troubleshooting tasks.

3. 50 MSA/s sampling rate: Fast enough for analyzing high-speed signals.

4. 10 MOhm input impedance: Ideal for measuring voltages without loading the circuit.

5. Wide input voltage range: Supports 300V AC/DC and 750V DC measurements.

6. 12MHz signal generator: Provides a broad range of frequencies for testing various circuits.

7. Automatic calibration: Ensures accurate and consistent measurements.

1. Space-saving design: Three functions in one device, reducing the number of gadgets you need to carry.

2. Flexible: Ideal for various applications, from basic troubleshooting to advanced signal analysis.

3. Affordable: Offers a cost-effective solution for those who need multiple functions without the expense of separate devices.

4. User-friendly interface: Intuitive design makes it easy to navigate and operate the device.

5. Compact: Portable and lightweight, allowing you to work on the go.

1. Limited oscilloscope memory: May not be suitable for long-term data acquisition or complex waveforms.

2. Limited signal generator power: Not suitable for high-power applications or driving large loads.

3. Limited multimeter current range: May not be suitable for high-current measurements.

4. Limited resolution: Not as high as dedicated oscilloscopes or multimeters.

The Tektronix TPT-E928 3-in-1 Handheld Oscilloscope, Multimeter, and Signal Generator is a powerful and cost-effective solution for those seeking a versatile testing tool. Its compact design, user-friendly interface, and triple functionality make it an essential device for electronics technicians and hobbyists. However, it may not offer the highest resolution, the longest oscilloscope memory, or the highest signal generator power compared to dedicated devices.

If you're looking for a versatile and portable testing solution that combines the functions of an oscilloscope, multimeter, and signal generator, the Tektronix TPT-E928 is an excellent choice. It offers decent performance, user-friendly interface, and a cost-effective price point. However, if you require higher resolution, longer oscilloscope memory, or more power from your signal generator, you may want to consider investing in separate devices tailored to your specific needs.

Details:

One device does it all. Press one button and the ET928 automatically locks onto displays a clean, stable waveform. High storage capacity save up to 100 sets of MM data and 10 waveform directly on the device. Full-featured digital oscilloscope with waveform visualization and multiple trigger modes.

2.4 color display 320 240 crisp, bright color LCD with white back light readable in any lighting condition, in doors or out the field. One auto waveform display no complex trigger setup required. Whether you're an electronics engineer, automotive technician, student, or hobbyist this is the field tool you've been waiting for. Key features: 3-in-1 functionality one device, three instruments.

Perfect for fast diagnostics.

specifications oscillovectscopes:

• brand: Tooltop
• mpn: Et928
• part type: Oscilloscope Multimeter Signal Generator
• oscilloscope type: Digital Oscilloscope
• features: Professional
• maximum real-time sampling rate: 50 Msa/s
• maximum bandwidth: 12 Mhz
• country of origin: China

offer oscillovectscopes:

• options: ship-to-home
• sold #: 7
• quantity: 5
• started: march 1, 2026
• best offers: true
• availability: in stock

seller oscillovectscopes:

• city: tracy, california
• # reviews: 131
• rating: 100.0%

payments oscillovectscopes:

• credit card: visa
• wallet: apple-pay
• other

shipping oscillovectscopes:

• carrier: usps
• type: calculated
• class: standard
• service: usps ground advantage
• transit: 6-12 days

general oscillovectscopes:

• category: Business & Industrial > Test, Measurement Inspection > Analyzers Data Acquisition > Oscilloscopes Vectorscopes

returns oscillovectscopes:

• policy: returns accepted
• method: money back
• time: 30 days
• paid by: buyer