EXTECH MO257: Pinless Moisture Meter

EXTECH MO257: Pinless Moisture Meter

EXTECH MO257: Pinless Moisture Meter

moisture meter designed for quick and safe detection of moisture in wood, drywall, and other building materials. Its spherical ball sensor ensures smooth gliding over rough, curved, or delicate surfaces, making it ideal for restoration and building inspection applications.

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Key Features EXTECH MO257: Pinless Moisture Meter 

• Non-invasive measurement: Pinless technology allows moisture detection without damaging surfaces.

• Measurement depth: Detects moisture up to 20–40 mm (0.79–1.57 in) below the surface.

• Wide moisture range: Relative moisture readings from 0.0 to 100.0 with 0.1 resolution.

• Spherical ball sensor: Ideal for uneven, hard, or delicate surfaces.

• Backlit triple-display LCD: Shows real-time, max, and min readings clearly.

• Adjustable alarm levels: Set two custom thresholds for visual (“RISK” or “WET”) and audible alerts.

• Automatic calibration: Calibrates automatically in dry air upon power-up.

• Ideal for restoration: Perfect for detecting hidden moisture in walls, ceilings, under tiles, and flooring.

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Specifications

• Measurement Type: Pinless (non-invasive)

• Relative Moisture Range: 0.0 to 100.0

• Resolution: 0.1

• Measurement Depth: 20 to 40 mm (0.79 to 1.57 inches)

• Sensor Type: Pinless spherical sensor

• Display: Backlit segment LCD with Min/Max readings

• Certifications: CE

• Power Supply: 3 × AAA (1.5V) batteries

• Dimensions: 9.2 × 2.5 × 1.1″ (235 × 63 × 28 mm)

• Weight: 7.7 oz (218 g)

• Warranty: 2 years

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Summary

 meter offering fast, accurate, and non-destructive moisture readings. With its intuitive controls, spherical sensor, and customizable alerts, it’s an essential tool for restoration professionals, home inspectors, and contractors working in water-damaged or high-risk environments.