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Moisture Meters
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  3. Measuring & Layout Tools
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  5. Moisture Meters
  6. Extech MO57A Pinless…
Extech

Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader

5.0
(1 Rating)
Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹28,770₹40,410

You save ₹11,640 (29%)

29% off the seller list price

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Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader — MO50
MO50
₹11,220
₹14,530
In Stock
Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader — MO57A
MO57A
₹28,770
₹40,410
In Stock
Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader — MO50A
MO50A
₹10,860
₹17,230
In Stock

Estimated doorstep delivery by 3 Nov - 5 Nov from USA

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Uncover Hidden Moisture with Precision

About this item

The Extech MO57A Pinless Moisture Meter provides fast, non-invasive moisture detection up to 4 inches (100mm) deep. Its unique spherical sensor glides over surfaces like wood, drywall, concrete, and tile without causing damage, unlike traditional pin meters. This tool is essential for uncovering hidden moisture and ensuring building materials are properly acclimated before installation or renovation.

This meter features a clear digital LCD display with intuitive moisture droplet icons and an audible alarm that increases in frequency as moisture levels rise. These alerts accelerate inspections by quickly identifying areas of concern, from tracing leaks behind walls to checking firewood dryness. The included 9V battery powers the device, and features like Data Hold and Auto Power Off enhance its field usability.

For Indian users, this USA-imported moisture meter offers superior diagnostic capability compared to basic local alternatives. Ensure your projects are free from hidden dampness and structural risks. All customs duties and GST are included in the price, with delivery via ExpressBox tracked shipping.

Key Features

  • NON-DESTRUCTIVE SPHERICAL SENSOR: Protect your expensive surfaces from ugly pinholes. The smooth ball sensor glides effortlessly over hard or delicate materials, providing accurate readings without leaving a single scratch behind
  • DEEP MOISTURE PENETRATION: Stop guessing what lies beneath the surface. This powerful tool detects hidden water up to 4 inches (100mm) deep, making it the ultimate weapon for discovering unseen leaks behind walls, under floors, and in ceilings
  • SMART AUDIBLE AND VISUAL ALERTS: Let the meter do the hard work for you. The fast-beeping audible alarm and intuitive moisture droplet icons instantly warn you of low, medium, or high water levels, accelerating your entire inspection process
  • LIGHTWEIGHT AND PORTABLE DESIGN: Take your diagnostic power anywhere. Measuring just 8.3 by 2.8 by 1.3 inches and weighing a mere 5.5 ounces, this compact tester slips easily into your tool bag for comfortable, all-day field work
  • VERSATILE RESTORATION COMPANION: Tackle any job with absolute confidence. Perfect for home contractors and DIYers alike, it quickly evaluates wood, sheetrock, tiles, concrete, and mortar to ensure your projects remain perfectly dry and safe

Why choose this product

Advanced Moisture Detection Technology

The Extech MO57A utilizes a non-destructive spherical sensor, a significant upgrade from pin-type meters that damage surfaces. Its ability to penetrate up to 4 inches (100mm) allows for the detection of deep-seated moisture, crucial for identifying hidden leaks or assessing structural integrity. The clear digital display and variable-frequency audible alarm provide immediate feedback, making complex diagnostics faster and more accurate. This tool is engineered for professionals who demand precision and reliability in challenging environments, ensuring you can confidently assess building materials and prevent future damage.

Ideal for Indian Building & Renovation

This meter is perfect for contractors, home inspectors, and DIYers in India dealing with varied construction materials and potential dampness issues common in humid climates. Use it to check wood for furniture or construction, assess drywall for leaks after monsoons, or test concrete and mortar for moisture content before painting or tiling. While basic moisture indicators are available locally, the MO57A's depth penetration and non-damaging sensor offer superior diagnostic power. Skip the guesswork and ensure your projects are built on a dry, stable foundation.

How to use

  • Prepare the Device — Ensure the Extech MO57A is powered by a fresh 9V battery. Select the appropriate material mode (wood, drywall, concrete) if applicable, or use the default setting for general scanning. Ensure the spherical sensor is clean and free from debris.
  • Perform Measurement — Gently place the spherical sensor flat against the surface to be tested. Slowly glide the meter over the material. Observe the digital LCD for moisture droplet icons and listen to the audible alarm's frequency, which indicates the moisture level.
  • Higher moisture levels are indicated by more droplet icons and a faster beep rate. Use the Data Hold function to freeze the current reading if needed. The meter automatically powers off after a period of inactivity to conserve battery life.

Example scenarios

Typical situations where Extech MO57A Pinless Moisture Meter with Spherical Sensor helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

A home inspector in Mumbai needs to assess potential water damage behind walls after heavy monsoon rains.

How this product helps

The Extech MO57A's non-destructive spherical sensor allows for quick, non-damaging scans of drywall. Its 4-inch penetration depth can detect hidden moisture deep within the wall cavity, providing accurate readings without leaving pinholes. The audible alarm alerts the inspector to damp areas, speeding up the assessment process.

2
Scenario 2
Illustrative example
Where it helps

A contractor in Delhi needs to verify that newly installed wooden flooring is dry enough before sealing.

How this product helps

The MO57A's pinless technology ensures the delicate wood surface remains unscratched. It provides accurate moisture content readings up to 4 inches deep, confirming the wood is properly acclimated and dry, preventing future issues like warping or mold growth. The digital display and alerts offer clear, immediate feedback.

Technical specifications

Setup & usage

Power Source1 x 9V Battery (included)
Battery LifeContinuous use (typical)
Materials TestedWood, Drywall, Concrete, Mortar, Tiling
Cost per use1 unit at 1 use/day = 1 day: ₹28,770 per day
Shelf life after opening12 months (category default for electronic tools)
Reapplication mathN/A (tool)
ContraindicationsNot for use on live electrical wiring or in wet environments without proper safety precautions.
Allergens / common irritantsN/A

Warranty

CrowCrowCrow helps you bring this product to India. Any warranty is offered by Extechunder its own policy.

Read more

How we compare

FeatureExtech MO57A PinlessOthers
Detection MethodNon-destructive spherical sensor; penetrates up to 100mm (4in)Often pin-type, causing surface damage; shallower penetration (varies by brand)
Material VersatilityWood, drywall, concrete, mortar, tilingMay be limited to wood or specific materials (varies by brand)
Alert SystemDigital LCD with moisture icons & variable-frequency audible alarmBasic digital display or analog needle; audible alerts may be absent or fixed (varies by brand)
Depth of ReadingUp to 4 inches (100mm)Typically surface-level or <1 inch (varies by brand)
Cost per use1 unit at 1 use/day = 1 day: ₹28,770 per dayLocal meters range from ₹1,500-₹5,000; cost per use depends on device longevity and accuracy.

Product details

SKUbnk2737
GTIN0793950470589
BrandExtech
Model NumberMO57A
ColorMO57A
Item Weight170 g (5.99 oz)
Item Dimensions19.9 cm x 7.1 cm x 3.3 cm (7.9 x 2.8 x 1.3 inches)
Package Weight0.3 kg (0.67 lbs)
Package Dimensions24.4 cm x 8.9 cm x 4.3 cm (9.6 x 3.5 x 1.7 inches)
MaterialPlastic
Country of OriginNot stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners
Measurement TypePinless, Spherical Sensor
Penetration DepthUp to 100 mm (4 inches)
DisplayDigital LCD with Moisture Droplet Icons
AlertsAudible Tone & Visual Icons
FeaturesData Hold, Auto Power Off

About Extech

Extech is a recognized leader in test and measurement tools, known for reliable diagnostics for electrical, environmental, and industrial applications.

Compliance & Legal

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

Customer Reviews

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FAQ, See What Others Asked

How to buy an original Extech MO57A Moisture Meter in India?
Purchase the Extech MO57A from crowcrowcrow.com. We import directly from authorized US retailers and brand partners, ensuring factory-sealed products. All customs duties and GST are included in the listed price, and delivery is via ExpressBox tracked shipping for your peace of mind.
What is the difference between pin-type and pinless moisture meters?
Pin-type meters press two metal probes into the material and measure electrical resistance for a precise spot reading, while pinless meters use a sensor pad to scan below the surface without leaving holes. Pin models suit deep, localized checks; pinless models suit quick, non-marking surveys of walls and finished surfaces. The Extech MO57A is a pinless model.
Can this moisture meter be used on both wood and walls?
Yes, the Extech MO57A is designed for versatile use on various materials including wood, drywall, concrete, and mortar. Its non-destructive spherical sensor allows for accurate readings without damaging surfaces, making it suitable for both construction and renovation projects.
How deep can the Extech MO57A detect moisture?
The Extech MO57A boasts a deep moisture penetration capability of up to 4 inches (100mm). This allows it to uncover hidden water and dampness that may be trapped deep within walls, under floors, or in ceilings, which simpler meters might miss.
Does the Extech MO57A have audible alerts?
Yes, the Extech MO57A features a smart audible alarm that speeds up its beeping frequency as moisture levels increase. This, combined with intuitive moisture droplet icons on the digital LCD, provides quick and clear warnings of low, medium, or high water content.
Is the Extech MO57A portable for field work?
Absolutely. The Extech MO57A is lightweight (170g / 5.99oz) and compact (19.9 x 7.1 x 3.3 cm), easily fitting into tool bags. It runs on a standard 9V battery and includes features like Data Hold and Auto Power Off, making it a convenient and field-ready companion.

Frequently bought together

Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader

This item:

Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader

₹28,770

Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader

This item

Extech MO57A Pinless Moisture Meter with Spherical Sensor, 100mm (4in) Depth | Non-Destructive Wood, Drywall, Concrete Moisture Reader

₹28,770

Total price:

₹47,390

You save ₹13,390 (22%) Extra

3 items selected

3 items

₹47,390

You save ₹13,390 (22%) Extra

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Spec
Price
₹28,770
₹40,410
₹9,450
₹9,700
₹9,170
₹10,670
₹7,720
₹9,690
₹9,050
₹13,810
₹4,810
₹6,920
₹4,240
₹5,570
Rating
5.00(1)
4.63(8)
3.50(8)
4.63(8)
4.63(8)
4.63(8)
4.50(3,905)
Brand NameExtechGeneral ToolsGeneral ToolsGeneral ToolsKLEIN TOOLSRDINSCOSRDINSCOS
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹28,770₹40,410

You Save ₹11,640

Estimated doorstep delivery by 3 Nov - 5 Nov from USA
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