Ermenrich Ping SM90 studdetector

The Ermenrich Ping SM90 Stud Detector is a versatile and reliable tool for detecting wood studs, metal objects (ferrous and non-ferrous), and live AC wires behind walls, floors, and ceilings. With its clear LCD display and audible alerts, it simplifies home improvement and renovation tasks.

Advantages

Multi-material detection in one device saves time and effort. Automatic calibration ensures accurate readings, and the backlit LCD makes it easy to use in dimly lit areas. The low battery indicator and auto shut-off feature extend battery life and prevent accidental drain.

Suitable for

• DIY enthusiasts and homeowners locating studs for mounting shelves, TVs, or cabinets
• Electricians and contractors identifying live wires before drilling or cutting
• Plumbers and renovators detecting metal pipes or rebar in walls

Key specifications

• Detection Types: Wood studs, metal (ferrous/non-ferrous), live AC wires
• Max. Wood Stud Detection Depth: 38 mm (1.5 inches)
• Max. Metal Detection Depth: 60 mm (2.36 inches)
• Max. Live AC Wire Detection Depth: 51 mm (2 inches)
• Display: LCD with backlight
• Indicators: Visual (LCD) and audible (beep)
• Power: 1x 9V battery (6F22 type)
• Automatic shut-off: After approx. 5 minutes
• Operating Temperature: 0°C to +40°C (32°F to 104°F)
• Operating Humidity: 30% to 80% RH
• Storage Temperature: -20°C to +50°C (-4°F to 122°F)
• Storage Humidity: 30% to 80% RH
• Calibration: Automatic
• Low Battery Indicator: Yes
• Material Detection Modes: 3 (Wood, Metal, AC)
• Construction Material: ABS Plastic

Recommendations

Always verify detection results by moving the detector slowly and marking the area. For best performance, replace the battery when the low battery indicator appears. This tool is not a substitute for professional inspection when dealing with complex wiring or structural elements.