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FNIRSI DMC-100 Clamp Meter 10000 Counts TRMS, 600A AC/DC Amp Meter with Curve Recording & 2" TFT Screen, Rechargeable Multimeter Measuring Voltage Current Resistance Capacitance NCV for HVAC Auto
FNIRSI

FNIRSI DMC-100 Clamp Meter 10000 Counts TRMS

Bottom line: The FNIRSI DMC-100 Clamp Meter 10000 Counts TRMS ($40.79 on Amazon as of 2026-10-06): 9999-count TRMS for AC/DC up to 600A, voltage, resistance, capacitance, frequency; main trade-off: clamp jaws read current only; voltage needs the test leads.

$40.79

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Buy on Amazon — $40.79 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 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 9999-count TRMS for AC/DC up to 600A, voltage, resistance, capacitance, frequency
  • ✓ Real-time curve recording stores 8 live plus 30 historical data sets
  • ✓ 2-inch color TFT, 10-level brightness, dark/light themes, dual V/A readout
  • ✓ USB-C rechargeable 1500mAh battery skips disposable-battery swaps on site
  • ✓ NCV, live-wire, continuity and diode checks built in for fast diagnostics

Cons

  • ✗ Clamp jaws read current only; voltage needs the test leads
  • ✗ 600A ceiling caps heavy industrial and high-amperage panel work
  • ✗ Stores just 8 live and 30 saved records, no PC export noted
  • ✗ Internal battery only, no AA backup if you forget to charge

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SpecPicks Verdict

SpecPicks scored FNIRSI DMC-100 Clamp Meter 10000 Counts TRMS using a rating × review-volume × price-fit model applied to published specs and reviews across the tools & maintenance category. FNIRSI'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

  • 【10000 Counts TRMS Clamp Meter】FNIRSI DMC-100 digital clamp multimeter provides stable TRMS measurement for AC/DC current up to 600A, voltage, resistance, capacitance, frequency, and temperature. It integrates NCV detection, live wire testing, continuity, and diode checks to support multi-function electrical diagnostics in maintenance and repair scenarios
  • 【Real-Time Curve Recording】Track intermittent electrical faults with real-time data graphing. This clamp meter visualizes circuit behavior on screen and stores 8 sets of real-time data plus 30 sets of historical records, helping technicians analyze signal variations during troubleshooting and maintenance work
  • 【2" TFT HD & Dual Theme】This amp meter features a 2-inch TFT full-color display with 10-level adjustable brightness and simultaneous voltage/current display. Users can switch between dark and light UI themes for improved visibility during outdoor solar testing or low-light engine bay diagnostics
  • 【Rechargeable Battery】 Built-in a 1500mAh lithium battery, this rechargeable clamp meter with Type-C charging effectively reduces the risk of on-site downtime. It ensures non-stop, continuous testing in busy maintenance environments, eliminating the hassle of frequent battery replacements
  • 【Automotive & Home Diagnostics】 Engineered for automotive and household electrical troubleshooting, this versatile dc clamp meter delivers detailed measurement for vehicle battery drain tracking, RV DC system analysis, and residential appliance repair across light industrial workflows
  • 【Note】Voltage measurement must be performed with the test leads. The clamp jaws are for current measurement only

Full Specifications

BrandFNIRSI
ColorBlack
ModelFNIRSI-DMC-100
Style10000 Counts AC Current
Style Name10000 Counts AC Current
Unit Count9999.0 Count
Part NumberFNIRSI-DMC-100
Power SourceBattery Powered
CompatibilitySwitch
Item Dimensions7.7 x 2.91 x 1.14 inches
Measurement TypeAmmeter, Multimeter, Ohmmeter, Voltmeter
Specification MetUl 61010-1, Ce Marked, Rohs Compliant
Compatible DevicesElectrical components, wiring, and appliances
Included ComponentsClamp Meter*1, Multimeter Pen*2, Temperture Probe*1, Type-C Charging Cable*1
Full listing titleFNIRSI DMC-100 Clamp Meter 10000 Counts TRMS, 600A AC/DC Amp Meter with Curve Recording & 2" TFT Screen, Rechargeable Multimeter Measuring Voltage Current Resistance Capacitance NCV for HVAC Auto

Ready to buy?

FNIRSI DMC-100 Clamp Meter 10000 Counts TRMS, 600A AC/DC Amp Meter with Curve Recording & 2" TFT Screen, Rechargeable Multimeter Measuring Voltage Current Resistance Capacitance NCV for HVAC Auto 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 — $40.79

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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FNIRSI DMC-100 Clamp Meter 10000 Counts TRMS, 600A AC/DC Amp Meter with Curve Recording & 2" TFT Screen, Rechargeable Multimeter Measuring Voltage Current Resistance Capacitance NCV for HVAC Auto
$40.79
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