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AstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage Tester Auto-ranging with AC/DC Voltage, AC Current, Resistance, Capacitance, Continuity, Live Wire Test, NCV, Blue
AstroAI

AstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage Tester Auto-ranging

Bottom line: The AstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage Tester ($21.98 on Amazon as of 2026-10-21 16:17 UTC): Auto-ranging across AC/DC volts, AC amps, resistance, capacitance, diode and continuity; main trade-off: cannot measure DC current at all.

$21.98

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Buy on Amazon — $21.98 Also on eBay → Compare to similar tools & maintenance

By , Founder & Editor-in-Chief · Listing data updated

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.

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Auto-ranging across AC/DC volts, AC amps, resistance, capacitance, diode and continuity
  • ✓ Rated CAT III 600V, pollution degree 2
  • ✓ NCV detector uses green/slow-beep for weak AC, red/fast-beep for strong
  • ✓ Backlit LCD plus a built-in flashlight for work inside a case

Cons

  • ✗ Cannot measure DC current at all
  • ✗ 2000-count display limits resolution versus 6000-count meters
  • ✗ Clamp jaw reads current only; clamping a conductor to read voltage is unsupported
  • ✗ Must clamp a single conductor, not the whole power cord, so line splitters are often needed

Manufacturer description

The AstroAI CM2K0R clamp meter handles the electrical diagnostics that come up constantly in retro PC and bench work: checking AC line current on a vintage AT power supply, verifying rail voltages with the DC volt function, testing continuity on a suspect IDE cable, and reading capacitance on caps you are considering replacing. Auto-ranging means you pick the function, not the range, which keeps you moving through a repair instead of hunting for the right setting. The measurement set covers AC/DC voltage, AC current via the clamp jaw, resistance, capacitance, diode and continuity with a…

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SpecPicks Verdict

SpecPicks scored AstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage… using a rating × review-volume × price-fit model applied to published specs and reviews across the tools & maintenance category. AstroAI'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.

Frequently Asked Questions

Can this clamp meter measure DC current?

No. The CM2K0R measures AC current only through the clamp jaw. It does measure DC voltage, so it works for checking power supply rails, but not for DC amp draw.

Why do I get no reading when I clamp around an appliance cord?

A power cord carries line and neutral together and their fields cancel out. Clamp around one conductor only, centered in the jaw, and the reading appears.

What does the non-contact voltage indicator actually tell me?

A weak AC field triggers the green light and a slow beep; a strong field triggers the red light and a fast beep. It is a presence indicator, not a measurement.

Is it safe for household and light industrial electrical work?

AstroAI states it meets overvoltage category III 600V and pollution degree 2 standards. Confirm the rating matches your specific job before working on live circuits.

Does it come with batteries, and what does it include?

Two 1.5V AAA batteries are included. The meter itself adds data hold, max/min, auto shut-off, a backlit LCD, a flashlight and a continuity buzzer.

Key Features

  • Important Tips - This CM2K0R clamp meter can not test DC Current. To measure the AC Current you need to clamp the meter around one of the wires and not the whole power cord. Ensure the conductor to betested is in the center of the clamp head. The clamp Jaw is only used to measure current. Do not measure voltage by clamping the conductor being measured.
  • Versatile Digital Clamp Meter - Accurately measures AC/DC Voltage, AC Current, Capacitance, Resistance, Diode Continuity and Live Wire Tests. This clamp meter is a really useful tool for solving industrial and household electrical issues.
  • Thoughtful Design - Support Data Hold, Max/Min, Auto Shut-off, low battery indicator and continuity buzzer. Includes Convenient features like Audial and Visual Alarm, LCD Backlit Screen and Flashlight make it easy to use. Two 1.5V AAA batteries are included in the package.
  • Non-contact Voltage Testing - This Clamp Meter features non-contact voltage testing with sound and light alarm. When the Meter senses a weak AC signal, the green indicator light will come on and the buzzer will emit a slow, audible beep. when the Meter senses a strong AC signal, the red indicator light will come on and the buzzer will emit a quick beep.
  • Enhanced Safety - The clamp meter has passed the environmental pollution degree 2 and overvoltage category III 600V safety standards. If you have any questions about the product, feel free to contact us! Our California-based support team will respond within 24 hours.

Full Specifications

BrandAstroAI
ColorBlue
ModelCM2K0R
Style2000 Counts AC Current
Style Name2000 Counts AC Current
Unit Count1.0 Count
Part NumberCM2K0R
Power SourceBattery Powered
Item Dimensions2.68 x 1.14 x 7.67 inches
Measurement TypeAmmeter
Specification MetBeep
Compatible DevicesAny device with electrical circuits or components
Included Components2000 Counts Clamp Meter, Test Leads (Pair), User Manual, Storage Bag
Full listing titleAstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage Tester Auto-ranging with AC/DC Voltage, AC Current, Resistance, Capacitance, Continuity, Live Wire Test, NCV, Blue

Ready to buy?

AstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage Tester Auto-ranging with AC/DC Voltage, AC Current, Resistance, Capacitance, Continuity, Live Wire Test, NCV, Blue is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $21.98

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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AstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage Tester Auto-ranging with AC/DC Voltage, AC Current, Resistance, Capacitance, Continuity, Live Wire Test, NCV, Blue
$21.98
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