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ZOYI ZT-703S handheld oscilloscope multimeter — front view with colour display and test leads

ZT-703S Handheld Oscilloscope Multimeter & Signal Generator

ZT-703S in scope mode showing voltage waveform — 2-in-1 oscilloscope multimeter by ZOYI

ZOYI ZT-703S measuring a circuit with probes attached — tilting stand for hands-free use

Close-up of ZOYI ZT-703S screen and rotary dial — waveform capture and true-RMS measurements

ZOYI ZT-703S kit contents — oscilloscope multimeter with test leads and accessories

3-in-1 Handheld Oscilloscope Multimeter & Signal Generator – Full Kit (ZT-703S)

£87.48

Tax excluded

📡 The ZT-703S is a powerful 3-in-1 diagnostic tool combining an oscilloscope, True-RMS multimeter and signal generator in one compact handheld unit. Designed for technicians, engineers and electronics repair professionals, it offers fast waveform capture, accurate measurements and a bright colour display. 📊

With 10MHz bandwidth, 250MSa/s sampling rate and full multimeter functions, it is perfect for fieldwork, benches and mobile service tasks. Its built-in signal generator makes it easy to inject test signals into circuits during troubleshooting. 🔧

Includes UK stock, VAT invoice and full accessory kit for immediate use. 🇬🇧

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Delivery policy

Fast, reliable UK delivery — Free 2–4 days or Express 1–2 days.

Return policy

30-day return & 12-month UK warranty on all ZOYI instruments.

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ZOYI ZT-703S Overview

The ZOYI ZT-703S is a professional-grade handheld oscilloscope multimeter that merges a 25 000-count DMM with a full-featured 50 MHz digital oscilloscope. Designed for field engineers, automotive diagnostics, and electronics repair, the ZT-703S offers precise waveform capture and measurement accuracy in one compact tool.

✅ Key Features

📈 Oscilloscope Bandwidth: 50 MHz
⚡ Sampling Rate: 280 MSa/s
🔢 Multimeter Resolution: 25 000 counts True RMS
🖥️ Display: 3.2″ TFT colour LCD (320 × 240 px)
🔋 Power: 6000 mAh Li-ion battery (USB-C charging)
🎛️ Measurement Modes: Voltage, Current, Resistance, Capacitance, Frequency, Duty Cycle, Temperature (K-type)
💾 Waveform Memory: 10 storage slots + screenshot save
🧰 Trigger Modes: Auto / Normal / Single
🪫 Auto Power-Off + Data Hold
🔁 Firmware Upgradeable (via USB-C)

📊 Technical Specifications

Bandwidth	50 MHz
Sampling Rate	280 MSa/s
Memory Depth	6 K points (10 waveform storage)
Display	2.8″ TFT colour LCD (320×240 px)
Voltage Range	0 – 1000 V DC / 0 – 750 V AC (True RMS)
Current Range	0 – 10 A AC/DC
Resistance Range	0 – 60 MΩ
Capacitance Range	1 nF – 100 mF
Frequency Measurement	1 Hz – 60 MHz
Duty Cycle	0 – 99 %
Temperature Range	–20 °C – 1000 °C (K-type)
Input Impedance	1 MΩ ± 2 % // ≈ 20 pF
Trigger Modes	Auto / Normal / Single
Battery Capacity	6000 mAh Li-ion (USB-C 5 V / 2 A)
Dimensions	200 × 95 × 48 mm (approx.)
Weight	≈ 500 g

📦 What’s Included

ZT-703S Oscilloscope Multimeter
2× Oscilloscope Probe (BNC to Crocodile)
1× Multimeter Test Leads Set
USB-C Cable + User Manual

🚚 Delivery & Support

🇬🇧 Free UK Standard Delivery (2–4 days) | Express £4.49 (1–2 days)
📦 Dispatched from Middlesex with Royal Mail / Evri tracking
🛡️ 12-Month UK Warranty (ZOYI UK)

Data sheet

Counts: 25,000 count
True RMS: YES
CAT Rating: CAT III
NCV: No
Temperature: No
Auto/Manual Range: Auto/Manual
Interfaces: USB-C
Flashlight: No
Measurement Type: DMM + Oscilloscope (2-Channel)
Test Frequency Range: 1 Hz – 60 MHz
Capacitance Range: 1 nF – 100 mF
Power Supply: USB-C
Firmware Upgradeable: Yes
Bandwidth: 50 MHz
Sampling Rate: 280 MS/s
Duty Cycle Measurement: 0 – 99 %
Display Type: IPS LCD
Battery Type: Li-ion Rechargeable

Specific References

EAN13: 6976677980300
MPN: ZT-703S

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3-in-1 Handheld Oscilloscope Multimeter & Signal Generator – Full Kit (ZT-703S)