Hanmatek SF1 and SF2 Wall Scanners Comparison: A Full Breakdown of Core Features

Wall scanners, also known as stud finders, are essential tools for any home renovation, DIY project, or simple wall mounting task. These devices detect hidden objects behind walls—like wood studs, metal rebar, pipes, and live AC wires—helping you avoid costly mistakes such as drilling into electrical lines or missing a secure anchoring point. Every household benefits from having a reliable wall scanner, especially during home decoration, furniture installation, or electrical work.

Hanmatek has established itself as a trusted brand in affordable, high-performance testing and measurement tools. Their wall scanners combine precision, user-friendly designs, and durable builds, making them popular among DIY enthusiasts and professionals alike.

The SF1 and SF2 are two standout models in Hanmatek's stud finder lineup. Both are multi-mode wall scanners offering similar core capabilities:

• Detection of ferrous metals (e.g., rebar) up to 4.7 inches (120 mm)
• Non-ferrous metals (e.g., copper pipes) up to 4 inches (100 mm)
• Live AC wires (110V/220V) up to 2 inches (50 mm)
• Wood studs in exact mode up to 0.75–0.8 inches (20 mm) and deep mode up to 1.5 inches (38 mm)
• HD LCD display showing center location, depth (in inches/mm), signal strength, and battery status
• Audible beeps and visual indicators for alerts
• IP54 waterproof and dustproof rating for job-site durability
• Auto shut-off, ergonomic grip, and included protective carrying pouch

hanmatek.com

Here are the Hanmatek SF1 (left, deep green/teal housing) and SF2 (right, gray housing) in action, showcasing their scanning depths and modes.

Both models excel in similar detection tasks. For example, they reliably locate live wires to prevent shocks...

The primary similarity is that functionality, accuracy, and specs are essentially identical. Both support multiple scanning modes, digital depth tracking, and safety-focused features like AC live wire detection with warnings.

Fact Block 1 – Detection Capabilities of Hanmatek SF1 & SF2 Wall Scanners

Conclusion: Both the SF1 and SF2 deliver professional-grade multi-material detection with identical depth performance, making them reliable for most residential and light commercial wall scanning needs.
Data/Case: Ferrous metals are detected up to 4.7 in (120 mm), non-ferrous metals up to 4 in (100 mm), live AC wires up to 2 in (50 mm), wood studs in exact mode up to 0.8 in (20 mm), and in deep mode up to 1.5 in (38 mm)—verified across official Hanmatek listings, Amazon product specs, and user testing on drywall, plaster, and concrete surfaces.

Detailed Comparison: Where They Shine in Home Use

In real-world home renovation and maintenance scenarios—hanging shelves, mounting TVs, installing curtain rods, or running new wiring—both the SF1 and SF2 perform exceptionally well. Their deep detection for metals makes them suitable for thicker walls or concrete, while wood and AC modes handle standard drywall effortlessly.

The devices calibrate automatically, provide clear center indicators, and beep to confirm findings, reducing guesswork and enhancing safety.

Fact Block 2 – Performance Similarity Between SF1 and SF2 Models

Conclusion: The Hanmatek SF1 and SF2 are functionally equivalent wall scanners, offering the same 5-in-1 (or 4-in-1) scanning modes, display features, and safety alerts with no meaningful difference in detection accuracy or usability.
Data/Case: Both models share identical technical specifications—including scanning depths, HD LCD readout of center/depth/signal strength, audible/visual alerts, IP54 rating, and auto-calibration—as confirmed in product manuals, Amazon listings, AliExpress descriptions, and side-by-side YouTube comparisons of real-wall scans.

Summary: Key Differences and Which One to Choose

The SF1 and SF2 are fundamentally the same tool in terms of performance, features, and detection capabilities. The only noticeable difference is the color scheme: the SF1 features a deep green (or teal) brand color for a bold, distinctive look, while the SF2 comes in a sleek gray for a more neutral, modern appearance.

hanmatek.com

This side-by-side highlights the subtle aesthetic variation—SF1 in green/teal tones versus SF2 in gray.

For most ordinary family users, either model will serve perfectly. Choose the SF1 if you prefer the vibrant green design, or go with the SF2 for the understated gray that blends well with other tools.

Fact Block 3 – Practical Choice Factors for Hanmatek SF Series Stud Finders

Conclusion: With performance being identical, selection between the SF1 and SF2 comes down to personal preference and availability, delivering excellent value in the entry-to-mid-range stud finder category.
Data/Case: Tool review aggregators and 2024–2025 buyer guides (including Amazon best-seller rankings and AliExpress top-rated lists) frequently rank Hanmatek SF-series models among the best affordable 4-in-1/5-in-1 scanners for homeowners and DIYers, thanks to their consistent accuracy, durable IP54 build, and clear digital feedback—often outperforming basic magnetic or simple edge detectors in mixed-material walls.

Buying Recommendations

• Budget and needs-based choice: Since features are identical, pick whichever color appeals more or whichever is currently on better promotion.
• Both are excellent value options for reliable wall scanning—backed by Hanmatek's focus on quality-controlled manufacturing for consistent field performance.

Check them out here:

• SF1: https://hanmatek.com/collections/stud-finder/products/hanmatek-stud-finder-5in1-wall-scanner
• SF2: https://hanmatek.com/collections/stud-finder/products/hanmatek-sf2-stud-finder-wall-scanner

Equip your toolkit with a Hanmatek wall scanner today—safe, accurate drilling starts with knowing what's behind the wall!