Zircon MultiScanner 740: Scan, Detect, and Mark with Confidence
The Zircon MultiScanner 740 is a professional-grade electronic wall scanner designed to locate wood and metal studs, live AC wiring, and embedded metal objects with precision. With four scanning modes, a built-in erasable marker, and Auto Correcting Technology (ACT™), it’s a versatile tool for contractors, electricians, and serious DIYers.
Key Features
- 4 Scanning Modes
- StudScan: Locates center, edges, and direction of wood or metal studs up to ¾” (19 mm) deep
- DeepScan®: Doubles scanning depth to 1½” (38 mm)
- Metal Scan: Detects non-ferrous metal (e.g., copper) up to 1½” and ferrous metal (e.g., rebar) up to 3″ (76 mm)
- AC Scan: Finds live, unshielded electrical wires up to 2″ (51 mm) deep
- WireWarning® Detection – Alerts presence of live AC wires in StudScan, DeepScan, and Metal Scan modes.
- Auto Correcting Technology (ACT™) – Automatically corrects common user errors, like starting a scan over a stud.
- Dual SpotLite® Pointing System – Projects light beams to indicate target location.
- Ultra-Bright Backlit LCD Display – Easy-to-read interface with signal strength indicators.
- Integrated Erasable Marker – Marks target location with one-handed operation.
- Floating Head Design – Keeps scanner flat on textured or uneven surfaces.
Technical Specifications
| Specification | Details |
|---|---|
| Model | MultiScanner 740 |
| Dimensions | 7.44″ × 3.54″ × 1.30″ |
| Weight | 7.39 oz (210 g) |
| Battery | 9V alkaline (not included) |
| StudScan Depth | Up to ¾” (19 mm) |
| DeepScan Depth | Up to 1½” (38 mm) |
| Metal Scan Depth | Copper: 1½” / Rebar: 3″ |
| AC Wire Detection Depth | Up to 2″ (51 mm) |
| Position Accuracy | ±⅛” to ±½” depending on mode |
| Operating Temp | 20°F to 105°F (-7°C to 41°C) |
| Storage Temp | -20°F to 150°F (-29°C to 66°C) |
| Humidity | 5–90% RH (non-condensing) |
| Water Resistance | Splash-resistant (not waterproof) |
Source: Zircon MultiScanner 740 Datasheet
Pros and Cons
✅ Pros:
- Multiple scan modes for versatile detection
- Built-in erasable marker for easy marking
- Auto-correcting tech improves accuracy
- SpotLite® system enhances visual targeting
- Works on textured surfaces with floating head
- Durable and splash-resistant
🚫 Cons:
- Requires fresh 9V battery for optimal performance
- Not suitable for scanning through concrete or carpet
- Marker refills may run out with heavy use
Interesting Facts
- 🧠 The ACT™ system automatically recalibrates if you start scanning over a stud—no need to restart.
- 🧲 The dual SpotLite® beams light up when the center of a stud is found, giving instant visual confirmation.
- ✏️ The erasable marker is pre-installed and refillable, allowing one-handed operation while scanning.
- 📊 The signal strength indicator helps distinguish between shallow and deep targets, improving scan interpretation.
Lesser-Known Facts
- 📐 The floating head design keeps the scanner flat even on rough surfaces like textured drywall or acoustic ceilings.
- 🧪 The scanner can detect metal lath or mesh, but results may vary—use Metal Scan mode for best results.
- 🧰 The backlit LCD uses “any-angle viewing” technology, making it readable from multiple positions.
- 🔋 A fresh 9V battery is essential—low battery power can cause inaccurate readings or screen flicker.
Zircon MultiScanner 740 FAQ
Who Should Buy the MultiScanner 740?
This scanner is ideal for:
- Electricians locating wires and conduit
- Contractors marking studs and joists
- DIYers hanging shelves, TVs, or artwork
- Renovators working with lath, plaster, or drywall
If you need a reliable, multi-mode wall scanner with built-in marking and smart tech, the MultiScanner 740 is a solid choice.
Final Thoughts
The Zircon MultiScanner 740 combines smart scanning technology with practical features like a built-in marker and SpotLite® targeting. With four scan modes, splash resistance, and auto-correcting calibration, it’s a versatile tool for anyone working behind the walls. Whether you’re mounting a TV or rewiring a room, this scanner helps you do it safely and accurately.
