TOOLTOP ET829 OSC + DMM + Waveform Generator 3 in 1 80MHz Bandwidth Dual Channel Handheld Oscilloscope Innovative AI Waveform Preview

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BanggoodSKU: 1972530

$ 186.99 $ 259.99

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- Oscilloscope multimeter waveform generator 3 in 1 
- 80MHz analog bandwidth 250MSa/s sampling rate
- Afterglow selection
- AI waveform preview 
- Self-calibration function
- Support DC 15W fast charge
- Support PC software analysis
- 2.8-inch 320*240 TFT color LCD display
- 6000 counts true RMS large capacitance multimeter
- 3 trigger modes: auto mode, normal mode, single mode


General characteristics

Display resolution

320 (horizontal) * 240 (vertical) pixels

Display size

2.8inch TFT color screen diagonally

Display backlight time


Display backlight brightness


Power supply

AC 100V〜240V、50Hz〜60Hz;DC 15W fast charge

Power consumption of the whole machine

Oscilloscope range≤400mA, multimeter range≤200mA


18650 lithium battery 2000mAh x 2

Battery level indicator


Auto sleep

the time can be adjusted or turned off, and there will be a sound or display prompt before sleep.

Sound prompt

On/off optional; there are many kinds of voice prompts, such as button sound, high pressure or over-range alarm sound during measurement, and some AI voices that may be added, etc.

To turn off the sound, you can choose to turn off the sound of the whole machine, or just turn off a selected prompt sound.

Use time

about 10 hours for oscilloscope range, about 20 hours for multimeter range

Operating environment

0℃〜40℃, <75%RH

Storage conditions

-10℃~60℃, <90%RH


100mm X 210mm X 40mm (L × W × H)




Number of channels

 Channel CH1, Channel CH2

Analog bandwidth

80MHz (single channel), 50MHz (dual channel)

Maximum real-time sampling rate

250MSa/s (single channel)),125MSa/s (dual channel)

Waveform interpolation

(Sin x) /x

Record length

When single channel, the maximum is 6K; when dual channel, the maximum is 3K

Horizontal scale range

5nS/div〜50S/div, 1 > 2、5steps

AD converter

8-bit resolution, simultaneous sampling of each channel

Vertical scale range

1 X10mV/div-10V/div; 10X: 100mV/div-100V/div

Vertical measurement range

±4 grid

Optional analog bandwidth limit


Low Frequency Response (-3db)

≤10Hz at BNC

Vertical Gain Accuracy

±3% in "Normal" or "Average" acquisition mode

Input resistance


Input Coupling


Probe attenuation

1X,   10X

Support probe attenuation factor

1X,  10X,  100X

Input protection voltage


Trigger Type

Edge Trigger

Trigger Mode

Auto, Single, Normal

Trigger level


Edge-triggered slope

Rising edge, falling edge, rising edge or falling edge

Voltage parameter measurement

peak-to-peak, RMS, average, peak, maximum, minimum

Time parameter measurement

frequency, period, duty cycle, positive pulse width, negative pulse width


Voltage difference between cursors, time difference between cursors

Smart cursor 1 group, the capture point keeps tracking the current waveform when the cursor moves, and the current cursor position information, voltage difference and time difference are displayed below.

Spectral Analysis FFT


Storage capacity

2000 groups of DMM data, 200 groups of waveform records, with storage file manager


high pass, low pass

Math operation


Afterglow option

Yes (afterglow effect is required to make Lissajous graphics)

Afterglow selection is divided into multi-level optional.

Computer real-time communication

USB communication

Waveform zoom


AI waveform preview

a small window is added above the main interface to display the thumbnail of the waveform for preview, and with an indicator to indicate that the current main interface waveform is at a certain position in the entire collected waveform.



Range Uncertainty


DC voltage


0.75%rdg 10dgt

AC voltage

600.0mV〜750V (TRMS,frequency range:40Hz〜1KHz)

1.0%rdg 10dgt

DC current

60.00mA/500.0mA, 6.000A/10.00A

Overload protection: fuse type fuse 500mA/250V,10A/250V

1.2%rdg 10dgt

AC current

60.00mA/500.0mA, 6.000A/10.00A (TRMS) Overload protection: fuse type fuse 500mA/250V,10A/250V

1.5%rdg 10dgt



1.0%rdg 5dgt




2.0%rdg 10dgt

5.0%rdg 10dgt



1.0%rdg 5dgt

Diode test

Open circuit voltage is about 3V,maximum test current is about2mA

On-off test

≤50Ω beep,≥600Ω display 0L

  Waveform Generator 

Waveform frequency

Sine wave: 1Hz~5MHz

Square waves: 1Hz~500KHz

Triangular wave: 1Hz~500KHz


Fixed-point output, maximum 5Vpp (50Ω)——0Vpp, 0.1Vpp, 0.2Vpp, 0.5Vpp, 1Vpp, 2Vpp, 3Vpp, 5Vpp

Frequency Resolution


Number of channels


Vertical resolution

8 bit

Output Impedance


Square waves pulse width accuracy


Package Included:

1 x 3 in 1 Oscilloscope
1 x Dual Injection Test Lead
1 x Scope Probe
1 x Signal Output Clip Wire
1 x Type-C USB Cable
1 x User Manual
1 x Cloth Bag
1 x Color Box

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