Digital Multimeter, Auto Ranging Pocket Digital Multimeter Digital Multi Tester - AC DC Voltage DC Current Resistance Diodes Capacitance Transistor Measuring Instrument (VC921)

ZOTEK

ZOTEK Digital Multimeter

Name: Digital Multimeter, Auto Ranging Pocket Digital Multimeter Digital Multi Tester - AC DC Voltage DC Current Resistance Diodes Capacitance Transistor
Brand: ZOTEK
SKU: B06Y4RZY45

Bottom line: The ZOTEK Digital Multimeter: Auto-ranging with 4000-count max display for fast, clear readings; main trade-off: slow 3 samples/sec rate lags on fluctuating readings.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For PC and retro-hardware cleaning and maintenance tools, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Auto-ranging with 4000-count max display for fast, clear readings
✓ Palm-sized pocket build for field, bench, and lab use
✓ Measures AC/DC voltage, resistance, capacitance, and 1Hz-10MHz frequency
✓ 550V overload protection on resistance, capacitance, and frequency ranges
✓ One-year warranty plus 30-day risk-free returns

Cons

✗ Slow 3 samples/sec rate lags on fluctuating readings
✗ No true-RMS spec listed, so AC accuracy dips on non-sine loads
✗ 4000 counts trails 6000-count meters for fine resolution
✗ No backlit display listed for dim work areas

Manufacturer description

Features ： Auto ranges 550V protection in Resistance、Capacitance and Frequency ranges MAX display 4000 counts Sample rate: 3 times per second Data hold Relative measurement Polarity identification Low voltage indication Auto power off Main measurements：AC/DC Voltage, Resistance，Capacitance Diode and Continuity Testing，Frequency and duty cycle Frequency：1Hz to 10MHz Capacitance :10pF to 4000uF AC volts: 0.1mV to 750V DC volts：0.1mV to 1000V Resistance ：0.1Ω to 40MΩ Duty cycle：1% to 99% Multimeter Specifications ： (1) Capacitance :4nF（±5.0%+4）,40nF（±2.5%+4），400nF/4.000uF/40.00uF/400.0uF/1000uF…

SpecPicks Verdict

SpecPicks scored ZOTEK Digital Multimeter using a rating × review-volume × price-fit model applied to published specs and reviews across the tools & maintenance category. ZOTEK's tools & maintenance lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for tools & maintenance: PC towers accumulate significant dust in 3–6 months, so cleaning frequency drives cordless vs. canned-air tradeoff decisions. Match the device's RPM or CFM rating to your case size, and confirm battery runtime covers a full tower cleaning before ordering. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

✔ Palm multimeter, pocket multimeter, compact portable durable， Multimeter Over load protection， Use the PT protection circuit for Resistance and frequency measurement
✔ Digital Multimeter Large display makes the reading clear， Durable & Easy Operation，Rotary switch and function buttons can easily find and operate
✔ Able to test AC/DC Voltage, AC/DC Current, Resistance, Live Line, Diode,Troide, Capacitance, Frequency and more， Sampling times at about 2~3 times/sec， Maximum display 4000 counts
✔ widely reserved in schools, laboratories, factories and any other machining industry.Not only suitable for home users, beginners, maintenance enthusiasts, but also for professional electricians and technicians
✔ One Year Warranty ， Risk Free Returns within 30 Days，PM18/18C meets CE, ROHS and en61010-1-2-030 en61010-2-033 standards

Full Specifications

Brand	ZOTEK
Color	Black VC921
Model	5841861822
Style	Professional
Style Name	Professional
Part Number	56451238194
Power Source	Battery Powered
Compatibility	Switch
Item Dimensions	4.92 x 3.15 x 0.77 inches
Number of Items	1
Measurement Type	Multimeter
Specification Met	RoHS
Global Trade Identification Number	06928652709598
Full listing title	Digital Multimeter, Auto Ranging Pocket Digital Multimeter Digital Multi Tester - AC DC Voltage DC Current Resistance Diodes Capacitance Transistor Measuring Instrument (VC921)

Ready to buy?

Digital Multimeter, Auto Ranging Pocket Digital Multimeter Digital Multi Tester - AC DC Voltage DC Current Resistance Diodes Capacitance Transistor Measuring Instrument (VC921) is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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