ZOYI ZT-703S 3 in 1 Handheld Digital Automotive Oscilloscope Multimeter, Double Channel 50MHZ Bandwidth,280MSa/s High Sampling Rate,25000Counts ,Amp Ohm Volt Meter Tester、Voltage/Current Test

Item No: ZT-703S

Three-mode design for a digital oscilloscope and multimeter, featuring one-button mode switching, automatic waveform acquisition, time base calibration, data storage, data export, language selection, shutdown time setting, adjustable backlight, data transmission port, signal output setting, and storage functions. Easy to operate, enhancing work efficiency. Widely used in automotive, industrial equipment, sensors, heavy electrical equipment, rectification, and low-voltage systems.


  • Size: 177*89*40mm
  • lithium battery
  • Portable
  • Temperature

Counts 25000

Transmission bandwidth50M

Sampling method real-time sampling 

Channels Double channel probe input measurement

sampling rate 280MS/s

display screen 3.5 inch IPS color screen

DC Current 10A

AC Current 10A

DC Voltage 1000V

AC Voltage 750V

Resistance  250MΩ

Capacitance  100mF



General Specifications:

Display:305 inch IPS full viewing angle color screen



Update Rate:3 Times/Second

Ture RMS:yes

Data Hold:yes


Low Battery Indication:yes

Auto Power Off:yes


Weight::345g(NO BATTERY)

Battery Type:18650 Battery * 1

Oscilloscope Specifications:


Sampling method:real-time sampling

real-time sample rate:280MSa/s


input coupling:AC/DC

input resistance:1MΩ,@16pf

Probe attenuation:X1, X10

Max input voltage:300V (DC+AC peak)

Sample rate range:1.5Sa/s – 280MSa/s

Waveform interpolation:(sinx)x

Sweep speed range:10ns/div – 20s/div

Time Base Accuracy:20ppm

record length:Max 128Kbyte

sensitivity:20mV/div – 10V/div

Displacement range:4 cells (positive and negative)

Analog Bandwidth:50MHZ

low frequency response:>10HZ

Rise Time:<10ns

DC Gain Accuracy:±3%

Multimeter Specifications:

DC Voltage (V):1000.0mV/250.00V/25.000V/2.5000V 

DC Voltage (mV):250.00mV/25.00mV

AC Voltage (V):750.0V/250.00V/25.000V/2.5000V 

AC Voltage (mV):250.00mV/25.00mV

*Frequency response of ACV: 40Hz-1kHz

DC Current (A):10.000A/2.5000A 

DC Current (mA):25.000mA/250.00μA 

AC Current (A):10.000A/2.5000A  

AC Current (μA/mA):25.000mA/250.00μA 

Frequency response of AC Current: 40Hz-1kHz


Capacitance:  9.999nF/ 99.99nF/999.9nF/9.999μF/99.99μF/999.9μF/9.999mF/99.99mF

Frequency: 99.99Hz/999.9Hz/9.999kHz/99.99kHz/ 999.9kHz

Diode :yes



  1.  One pair of testing leads 
  2.  One bag 
  3.  Color box 
  4.  One user manual
  5.  One Oscilloscope Probe
  6. USB-C Charging Cable

Our promises

Quick to the market

1-3 days delivery time with our brand

Do business with small cost

Start with one carton MOQ, If they don’t sell, we will buy them back by cash

One year warranty

Damage due to defective parts or workmanship could be replaced for free in 1 year

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