SPERRY Instruments HGT6520
Stop Shock II-Single, DIY Testing-120V AC, 3 Color LED Indicator, Comfort Grip, Patented GFCI Outlet Tester…
Price as of 2026-06-16. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$6–$14
- Mid-range:$14–$53← You are here
- Premium:$53+
Is This Right For You?
- •Shoppers looking for testers from SPERRY
- •Rating sits in the bottom 11% of testers — higher-rated options exist
- •AstroAI Digital Multimeter Tester 2000 Counts offers a better rating (4.5/5) at a similar or lower price ($15)
- •WINAMOO Premium LED Bulb Automotive Circuit Tester — 48% 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
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 SPERRY Instruments HGT6520 | 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 | $17.24 | $14.59 | $24.97 | $8.99 |
| Rating | 4.3/5 | 4.5/5 | 4.8/5 | 4.7/5 |
| Reviews | 379 | 54,848 | 11,490 | 3,555 |
| Mubboo Score | B | 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.
- Good value for money
- Easy to use
- Accurate / reliable readings
- Useful features like backlight or audible alert
- Compact and portable design
- Quality control issues with test leads or defective units
- Requires patience or learning curve for accurate results
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About SPERRY
- 3 products in our database
- Average rating: 4.4/5 across all products
- Price range: $17.24 – $24.99
- Categories: testers
If not the Instruments HGT6520, consider these
Bottom Line
SPERRY Instruments HGT6520 earns Mubboo Score B. Priced at $17 — a mid-range option, below the category average of $55. Rated 4.3/5 from 379+ reviews. Strong buy if: shoppers looking for testers from sperry. Skip if: rating sits in the bottom 11% of testers — AstroAI Digital Multimeter Tester 2000 Counts (Score A+, $15) may fit better.
Frequently Asked Questions
Is the SPERRY Instruments HGT6520 worth buying in 2026?
It earns a Mubboo Score of B, with a 4.3/5 rating from 379 reviews — better than 11% of testers we track.
How much does the SPERRY Instruments HGT6520 cost?
It is currently $17.24 — mid-tier pricing for testers.
How does the Instruments HGT6520 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 Instruments HGT6520 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.