# Franklin Sensors ProSensor 710 Professional Stud Finder vs C.H. Hanson 03040 Magnetic Stud Finder: specs and price compared

A sourced, side-by-side comparison of the Franklin Sensors ProSensor 710 Professional Stud Finder (Franklin Sensors) and C.H. Hanson 03040 Magnetic Stud Finder (C.H. Hanson) among stud finders. C.H. Hanson 03040 Magnetic Stud Finder is the cheaper of the two at $14.99.

## Side by side

| Spec | Franklin Sensors ProSensor 710 Professional Stud Finder | C.H. Hanson 03040 Magnetic Stud Finder |
| --- | --- | --- |
| US price | $52.95 | $14.99 |
| Brand | Franklin Sensors | C.H. Hanson |
| Max scan depth (in) | 1.6 | 1 |
| Sensing technology | 13 independent capacitance sensors, simultaneous multi-sensor readout | passive rare-earth magnets (no electronics) |
| Detects wood metal live wire | wood, metal (no dedicated live-wire mode) | detects ferrous fasteners (nails/screws) marking wood-stud location; no direct wood or live-wire detection |
| Sensor array width (in) | 7.25 | 1.5 |
| Center vs edge find | shows full stud width instantly across 13 LEDs (center and both edges simultaneously) | edge find (locates fastener/stud edge via magnetic pull) |
| Display type | 13-LED array (no LCD) | none; built-in rotating bubble vial for level/plumb reference only |
| Calibration method | none required; press and hold to scan | none required (purely passive magnetic device) |
| Power source | AA batteries (not included) | none (battery-free) |

## Key differences

- Max scan depth (in): Franklin Sensors ProSensor 710 Professional Stud Finder 1.6 vs C.H. Hanson 03040 Magnetic Stud Finder 1
- Sensing technology: Franklin Sensors ProSensor 710 Professional Stud Finder 13 independent capacitance sensors, simultaneous multi-sensor readout vs C.H. Hanson 03040 Magnetic Stud Finder passive rare-earth magnets (no electronics)
- Detects wood metal live wire: Franklin Sensors ProSensor 710 Professional Stud Finder wood, metal (no dedicated live-wire mode) vs C.H. Hanson 03040 Magnetic Stud Finder detects ferrous fasteners (nails/screws) marking wood-stud location; no direct wood or live-wire detection
- Sensor array width (in): Franklin Sensors ProSensor 710 Professional Stud Finder 7.25 vs C.H. Hanson 03040 Magnetic Stud Finder 1.5
- Center vs edge find: Franklin Sensors ProSensor 710 Professional Stud Finder shows full stud width instantly across 13 LEDs (center and both edges simultaneously) vs C.H. Hanson 03040 Magnetic Stud Finder edge find (locates fastener/stud edge via magnetic pull)
- Display type: Franklin Sensors ProSensor 710 Professional Stud Finder 13-LED array (no LCD) vs C.H. Hanson 03040 Magnetic Stud Finder none; built-in rotating bubble vial for level/plumb reference only
- Calibration method: Franklin Sensors ProSensor 710 Professional Stud Finder none required; press and hold to scan vs C.H. Hanson 03040 Magnetic Stud Finder none required (purely passive magnetic device)
- Power source: Franklin Sensors ProSensor 710 Professional Stud Finder AA batteries (not included) vs C.H. Hanson 03040 Magnetic Stud Finder none (battery-free)

## Sources

- Franklin Sensors ProSensor 710 Professional Stud Finder: https://franklinsensors.com/prosensor-710/ (franklinsensors.com, verified 2026-08-05)
- C.H. Hanson 03040 Magnetic Stud Finder: https://www.acehardware.com/departments/tools/hand-tools/stud-finders/2302487 (acehardware.com, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/stud-finders/franklin-sensors-prosensor-710-vs-ch-hanson-03040/
Cite: Per The Front Desk Review, Franklin Sensors ProSensor 710 Professional Stud Finder ($52.95) vs C.H. Hanson 03040 Magnetic Stud Finder ($14.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/stud-finders/franklin-sensors-prosensor-710-vs-ch-hanson-03040/
License: CC BY 4.0.