Cart
Compare

Pocket-Size True-RMS Digital Multimeter – Slim Folding Design (VC921)

£24.99
Tax excluded Delivered within 2–4 days

The VC921 is a slim, foldable pocket-size True-RMS digital multimeter designed for technicians, engineers and on-the-go diagnostics. It offers voltage, resistance, continuity, diode and frequency measurement with fast auto-range performance.

Its compact folding design protects the probes and fits easily into pockets, tool bags or glove compartments. Perfect for field service, home repairs, appliance testing and portable electronics work.

UK stock with VAT invoice and fast delivery included.

Quantity
Add to wishlist

  Security policy

Your data and payments are protected with SSL encryption and secure checkout.

  Delivery policy

Fast, reliable delivery — UK 2–4 days, express 1–2 days. International tracked delivery available.

  Return policy

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

Guarantee safe & secure checkout

VC921 – Slim & Portable True-RMS Digital Multimeter with Folding Design

The VC921 is a compact, lightweight and foldable True-RMS digital multimeter built for users who need a reliable portable testing tool without the bulk of a traditional multimeter. Designed with mobility and convenience in mind, it is ideal for field engineers, mobile technicians, students, electricians and anyone who needs quick and accurate measurements on the go.

Its unique folding design protects the built-in test leads and reduces overall size, making it easy to store in pockets, tool kits, backpacks or vehicle compartments. This makes the VC921 especially popular for travel, mobile diagnostics, emergency call-outs and compact workspaces.

Measurement functions include:

  • AC/DC voltage
  • Resistance
  • Continuity buzzer
  • Diode test
  • Frequency measurement

With True-RMS accuracy, the VC921 handles modern electronic loads such as chargers, LED drivers and switch-mode power supplies with improved precision compared to basic meters. The bright backlit LCD ensures clear visibility during night work, under dashboards or inside cabinets.

The ergonomic layout and built-in probes make operation fast and efficient. Simply flip open, measure and close — no tangled leads or extra storage required. Its durable casing is designed to withstand everyday transport and field use.

Ideal applications:

  • Field service & mobile engineering
  • Quick household electrical testing
  • Appliance and cable checks
  • Automotive diagnostics
  • Student and lab use

With UK stock, fast shipping and VAT invoice included, the VC921 is an excellent choice for professionals and hobbyists wanting a compact, dependable and accurate pocket multimeter.

25 Items

Data sheet

Counts
4,000 count
CAT Rating
CAT II
NCV
No
Temperature
No
Auto/Manual Range
Auto
Interfaces
None
Flashlight
No
Power Supply
AAA
Auto Power-Off
Yes

Specific References

EAN13
6976677980331
MPN
VC921

No customer reviews for the moment.

16 other products in the same category:

Availability: 18 In Stock

The ZOYI ZT-703S is a compact 3-in-1 diagnostic tool combining a digital oscilloscope, True RMS multimeter and signal generator in one handheld unit. Designed for technicians, engineers and electronics repair professionals, it supports fast waveform capture, accurate electrical measurements and clear viewing on a colour display.

With 10MHz bandwidth, 250MSa/s sampling rate and full multimeter functions, it is suitable for fieldwork, bench testing, circuit troubleshooting and mobile service tasks. The built-in signal generator helps inject test signals into circuits during diagnostics. UK stock with VAT invoice and accessory kit included.

Availability: 5 In Stock

The ZOYI ZT-300AB is a 6000-count True RMS digital multimeter designed for electrical testing, DIY diagnostics, electronics repair and professional field work. It measures AC/DC voltage, current, resistance, continuity, diodes, frequency and temperature. With Bluetooth connectivity, users can view readings remotely through the app, making troubleshooting and monitoring easier. The clear backlit LCD, compact design and reliable measurement functions make it suitable for electricians, engineers, technicians, automotive checks and home maintenance. UK stock with VAT invoice included.

Availability: 23 In Stock

The ZT-225 is a professional 25,000-count True-RMS digital multimeter designed for high-accuracy electrical and electronics testing. Its large display, auto-range function and robust build make it ideal for workshops, engineering labs, electricians and advanced DIY users.

It measures AC/DC voltage, current, resistance, frequency, capacitance and includes continuity and diode testing. With a spacious, easy-to-read LCD, it provides excellent visibility for bench work and detailed diagnostics.

UK stock with VAT invoice and fast delivery included.

Availability: 5 In Stock

📟 The ZT-Y is a high-resolution 9999-count True-RMS digital multimeter designed for precise electrical diagnostics. With V.F.C mode for variable frequency circuits and NCV detection, it offers professional accuracy for home users, electricians and technicians. ⚡

It measures AC/DC voltage, current, resistance, frequency, continuity and diodes with stability and fast response. The large backlit display ensures clear visibility in workshops, distribution boards and low-light areas. 🔧

UK stock with VAT invoice and fast delivery included. 🇬🇧

Availability: 4 In Stock

The ZT-S1 is a compact and smart auto-range digital multimeter designed for everyday electrical testing. With True-RMS accuracy, a clear backlit LCD and simple one-hand operation, it is perfect for home users, DIY enthusiasts and technicians.

It measures voltage, resistance, continuity, frequency and diodes with fast response and stable performance. The smart auto-range feature makes it especially convenient for beginners and quick onsite checks.

Supplied from UK stock with VAT invoice and fast delivery. 

Availability: 20 In Stock

The ZOYI ZT-N2 is a 2-in-1 smart soldering iron and digital multimeter designed for electronics repair, DIY projects, PCB work and portable troubleshooting. It combines fast heating, stable temperature control and accurate electrical measurement functions in one compact tool.

With an OLED display and support for voltage, continuity, resistance and diode testing, the ZT-N2 helps reduce the number of tools needed for repair work and field diagnostics. Its smart temperature control supports clean and consistent soldering for components, wires and circuit boards. UK stock with fast delivery and VAT invoice included.

Availability: 5 In Stock

The ZT-203 is a compact pen-type True-RMS digital multimeter designed for quick, one-handed electrical testing. With a 6000-count display, auto-range function and essential measurement modes, it’s perfect for electricians, field technicians and DIY users.

It measures AC/DC voltage, resistance, continuity, diode status and frequency with fast response and excellent portability. The slim design allows easy access to tight spaces, panels and control cabinets.

UK stock with VAT invoice and fast delivery.

Availability: 15 In Stock

The ZT-98 is a compact and reliable auto-range digital multimeter designed for home users, DIY enthusiasts and light professional use. With a clear 2000-count LCD display, it measures voltage, resistance, continuity and diode status with stable accuracy.

Its lightweight design makes it perfect for everyday electrical checks, appliance troubleshooting, basic circuit work and portable testing. The auto-range function ensures quick and easy operation for beginners and technicians alike.

Supplied from UK stock with VAT invoice and fast delivery. 

Availability: 5 In Stock

The ZT-X is a smart and compact True-RMS digital multimeter designed for everyday electrical testing. It features auto-range selection, a bright backlit LCD and essential measurement modes for home users, DIY projects and technicians.

It quickly measures AC/DC voltage, resistance, continuity, frequency and diode status with stable and accurate performance. The user-friendly design makes it ideal for both beginners and professionals needing a portable, reliable tool.

Supplied from UK stock with VAT invoice and fast delivery.

Availability: 20 In Stock

The ZOYI ZT-701 is a 2-in-1 handheld digital oscilloscope and True RMS multimeter designed for technicians, engineers, electronics repair and on-site diagnostics. It combines waveform display with practical multimeter functions in one compact device.

With 10MHz bandwidth, clear colour display and smart auto-ranging, the ZT-701 is suitable for circuit troubleshooting, fieldwork, educational labs, automotive checks and bench testing. It measures voltage, current, resistance, continuity, frequency and more, helping users diagnose faults quickly and accurately. UK stock with VAT invoice included.

Availability: 62 In Stock

📡 The ZT-702S is a professional 2-in-1 handheld oscilloscope and True-RMS multimeter designed for field engineers, electronics repair and mobile diagnostics. With a 9999-count display, fast waveform capture and full AC/DC measurement functions, it delivers advanced testing in a compact body. ⚡

It provides clear waveform visualisation for analysing signals, plus voltage, current, resistance, frequency, duty cycle and continuity testing. The bright colour display ensures excellent visibility for on-site work and workshop use. 📊

Supplied from UK stock with VAT invoice and fast delivery. 🇬🇧

Availability: 14 In Stock

The ZT-219 is a True-RMS digital multimeter designed for automotive diagnostics and general electrical testing. It offers voltage, current, resistance, continuity, diode and frequency measurement, plus a built-in temperature function for engine and component checks.

With its clear backlit LCD, fast auto-range system and durable design, it is perfect for car technicians, electricians, and DIY enthusiasts. The ZT-219 delivers accurate readings on both linear and non-linear loads.

Supplied from UK stock with VAT invoice and fast delivery.

Availability: 17 In Stock

The ZOYI ZT-1000R is a professional insulation tester and True RMS digital multimeter designed for electricians, maintenance engineers and electrical safety inspections. It supports insulation resistance testing up to 1000V and includes multimeter functions such as AC/DC voltage, current, resistance, continuity and diode testing.

With a clear backlit display, reliable insulation measurement ranges and accurate True RMS performance, it is suitable for testing motors, cables, wiring installations, appliances and electrical equipment in domestic, commercial and industrial environments. UK stock with VAT invoice included.

Availability: 30 In Stock

The ZT-102A is a reliable 6000-count True-RMS digital multimeter designed for technicians, electricians and DIY users. It measures AC/DC voltage, current, resistance, continuity, diodes and includes a thermocouple probe for accurate temperature testing.

With its clear backlit LCD and smart auto-range functionality, the ZT-102A is ideal for home repairs, workshop projects, appliance troubleshooting and general diagnostics.

UK stock with VAT invoice and fast delivery included. 🇬🇧

This website uses cookies to ensure you get the best experience on our website