NSI Industries TES-2 Voltage Tester
NSI

NSI Industries TES-2 Voltage Tester

120 or 240 VAC, Neon

$16.664.6(1,062 reviews)
Mubboo Score B+
Buy on Amazon $16.66

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

Quick Decision

Mubboo Score
B+
Best For
Shoppers looking for testers from NSI
Skip If
WINAMOO Premium LED Bulb Automotive Circuit Tester offers a better rating (4.7/5) at a similar or lower price ($9)
Reviews
1,062+ · reliable

Is This Right For You?

✅ Great for
  • Shoppers looking for testers from NSI
⚠️ Think twice if
  • WINAMOO Premium LED Bulb Automotive Circuit Tester offers a better rating (4.7/5) at a similar or lower price ($9)
💡 Consider instead
  • WINAMOO Premium LED Bulb Automotive Circuit Tester — 46% cheaper at $9 (Score A)
  • KLEIN TOOLS RT250 GFCI Outlet Tester — higher rated at 4.8/5 ($25)

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

Mubboo Score: B+

Quality9.2/10
based on 4.6/5 customer rating
Popularity6.4/10
1,062 reviews, top 43% in testers
Value6.6/10
priced below 66% 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 · last refreshed 2026-06-16.

How It Compares

This Product
NSI Industries TES-2 Voltage Tester
Most Popular
AstroAI Digital Multimeter Tester 2000 Counts
Best Rated
KLEIN TOOLS RT250 GFCI Outlet Tester
Best Value
WINAMOO Premium LED Bulb Automotive Circuit Tester
Price$16.66$14.59$24.97$8.99
Rating4.6/54.5/54.8/54.7/5
Reviews1,06254,84811,4903,555
Mubboo ScoreB+A+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 NSI

  • 5 products in our database
  • Average rating: 4.3/5 across all products
  • Price range: $6.53$95.44
  • Categories: testers, timers

Other testers

Bottom Line

NSI Industries TES-2 Voltage Tester earns Mubboo Score B+. Priced at $17 — a mid-range option, below the category average of $55. Rated 4.6/5 from 1,062+ reviews. Strong buy if: shoppers looking for testers from nsi. Skip if: winamoo premium led bulb automotive circuit tester offers a better rating (4.7/5) at a similar — AstroAI Digital Multimeter Tester 2000 Counts (Score A+, $15) may fit better.

Buy on Amazon $16.66Last verified: 2026-06-16

Frequently Asked Questions

Is the NSI Industries TES-2 Voltage Tester worth buying in 2026?

It earns a Mubboo Score of B+, with a 4.6/5 rating from 1,062 reviews — better than 57% of testers we track.

How much does the NSI Industries TES-2 Voltage Tester cost?

It is currently $16.66 — mid-tier pricing for testers.

How does the Industries TES-2 Voltage Tester compare to other testers?

The category's most-reviewed alternative is the AstroAI Digital Multimeter Tester 2000 Counts (4.5/5, 54,848 reviews, $14.59). The Industries TES-2 Voltage Tester carries a Mubboo Score of B+ vs A+.

Sources & References

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.