FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS - testers | Mubboo
FNIRSI

FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS

Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode…

$39.994.6(1,189 reviews)
Mubboo Score B
Buy on Amazon $39.99

Price as of 2026-06-16. Check Amazon for the current price.

Quick Decision

Mubboo Score
B
Best For
Buyers who prioritize quality over price in testers
Skip If
Fluke 1AC II VoltAlert Non-Contact Voltage Tester offers a better rating (4.7/5) at a similar or lower price ($35)
Reviews
1,189+ · reliable

Price Intelligence

📊 In testers, this is a mid-range product.
  • Budget:$6–$14
  • Mid-range:$14–$53← You are here
  • Premium:$53+

Is This Right For You?

✅ Great for
  • Buyers who prioritize quality over price in testers
⚠️ Think twice if
  • Fluke 1AC II VoltAlert Non-Contact Voltage Tester offers a better rating (4.7/5) at a similar or lower price ($35)
💡 Consider instead
  • YOJOCK USB C Tester USB Power Meter 2 in 1 Digital — 58% cheaper at $17 (Score A-)
  • KLEIN TOOLS ET310 AC Circuit Breaker Finder — higher rated at 4.7/5 ($50)

📊 Based on data analysis of 185 products in this category.

Mubboo Score: B

Quality9.2/10
based on 4.6/5 customer rating
Popularity6.5/10
1,189 reviews, top 42% in testers
Value3.2/10
priced below 32% of testers
How we calculate the Mubboo Score

Quality (45%): customer rating, normalized to a 10-point scale

Popularity (35%): review volume vs the category leader, log-scaled

Value (20%): price position vs other testers

Computed from live Amazon rating, review count, and price across 185 testers available to US consumers · last refreshed 2026-06-16.

How It Compares

This Product
FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS
Most Popular
KLEIN TOOLS ET310 AC Circuit Breaker Finder
Best Rated
Fluke 1AC II VoltAlert Non-Contact Voltage Tester
Best Value
YOJOCK USB C Tester USB Power Meter 2 in 1 Digital
Price$39.99$49.97$34.98$16.97
Rating4.6/54.7/54.7/54.5/5
Reviews1,18925,38115,2903,175
Mubboo ScoreBA-A-A-

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Check included test leads and consider upgrading them for budget meters; for circuit breaker finders, allow time to learn the scanning process and always do a second pass over the panel.

Praised for
  • Good value for money
  • Easy to use
  • Accurate / reliable readings
  • Useful features like backlight or audible alert
  • Compact and portable design
Common complaints
  • Quality control issues with test leads or defective units
  • Requires patience or learning curve for accurate results

Related Video Reviews

About FNIRSI

  • 4 products in our database
  • Average rating: 4.5/5 across all products
  • Price range: $39.99$79.99
  • Categories: testers

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54,848 reviews — 46.1× more than the DMT-99 Digital Multimeter 9999 Counts TRMS

Bottom Line

FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS earns Mubboo Score B. Priced at $40 — a premium option, below the category average of $55. Rated 4.6/5 from 1,189+ reviews. Strong buy if: buyers who prioritize quality over price in testers. Skip if: fluke 1ac ii voltalert non-contact voltage tester offers a better rating (4.7/5) at a similar — KLEIN TOOLS ET310 AC Circuit Breaker Finder (Score A-, $50) may fit better.

Buy on Amazon $39.99Last verified: 2026-06-16

Frequently Asked Questions

Is the FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS worth buying in 2026?

It earns a Mubboo Score of B, with a 4.6/5 rating from 1,189 reviews — better than 57% of testers we track.

How much does the FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS cost?

It is currently $39.99 — premium-tier pricing for testers.

How does the DMT-99 Digital Multimeter 9999 Counts TRMS compare to other testers?

The category's most-reviewed alternative is the KLEIN TOOLS ET310 AC Circuit Breaker Finder (4.7/5, 25,381 reviews, $49.97). The DMT-99 Digital Multimeter 9999 Counts TRMS carries a Mubboo Score of B vs A-.

Sources & References

Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.

Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-16) and may change.