Klein Tools ET140 Pinless Moisture Meter

Overview

• Pinless, Non-Destructive Moisture Meter
• Detect & Measure Hidden Moisture
• Easy-to-Select Materials: Drywall, Hardwood, Softwood, Masonry
• Drop Protection: 2m [⬆️ 2m]

General Specifications

The Klein Tools ET140 is designed to non-invasively detect moisture based on a material's capacitance. The mode selection is setup to maximize moisture readings for up to 3/4" of the depth of the surface of drywall, cement board, hardwood, and softwood.

• Moisture Detection Range: Hardwood: 0 to 35%, Softwood: 0 to 55%, Drywall & Masonry: 0 to 100% Relative
• Resolution: 0.1%
• Accuracy: Wood: ± 4%, Drywall & Masonry: Relative readings
• Inductive Sensor Size: 1.25" x 2" (32 mm x 51 mm)
• Sensing Depth: Up to 3/4" (19 mm)
• Operating Altitude: 6562 ft. (2000 m)
• Relative Humidity: <90% non-condensing
• Operating Temp: 50° to 104°F (10° to 40°C)
• Storage Temp: -4° to 122°F (-20° to 50°C)
• Dimensions: 6" x 2.5" x 1" (152 x 64 x 25 mm)
• Weight: 7 oz. (200 g) including batteries
• Certifications: CE, UKCA
• Batteries: 1 x 9V (included)

Specifications subject to change.

Warnings and Symbols

Warnings

To ensure safe operation and service of the meter, follow these instructions:

• Read the instructions to ensure safe operation.
• The meter is NOT insulated. Avoid contact with areas where energized conductive elements may be present.
• Always wear approved eye protection.

Symbols on Meter

• [!] Warning or Caution
• [?️] Wear approved eye protection
• [⚡] Risk of electrical shock
• [ℹ️] Read instructions
• [♻️] WEEE - Dispose of properly
• [+ -] Battery Polarity
• CE Conformité Européenne: Conforms with European Economic Area directives
• UKCA UKCA: UK Conformity Assessment

Feature Details

Meter Features (Front View)

• 1. LCD Display: Shows measurement readings and indicators.
• 2. Bar Graph: Visual representation of moisture level.
• 3. MODE Button: Cycles through material selection modes.
• 4. Power On/Off Button: Turns the meter on or off.
• 5. HOLD Button: Locks the current reading.
• 6. Sensor: The part that contacts the material to be tested.
• 7. Battery Cover: Access to the battery compartment.

LCD Features

• A. Moisture Measurement (%): Displays the detected moisture percentage.
• B. Modes: Indicates the selected material type.
• C. Low Battery Indicator: Alerts when the battery needs replacement.
• D. HOLD Indicator: Shows when a reading is locked.
• E. Auto-Power Off Icon: Indicates the auto-power off function is active.

NOTE: There are no user-serviceable parts inside.

Function Buttons

Power On/Off Button (4)

Press the Power On/Off Button to turn the meter on or off. Press and hold the Power On/Off Button for 2 seconds to turn the meter off. Note: To conserve battery life, the meter will automatically power off after 10 minutes of inactivity.

MODE Button (3)

Repeated presses of the MODE button will toggle through the available material types: Drywall, Masonry, Hardwood, Softwood, in that order. Select the desired material prior to testing.

HOLD Button (5)

Press the HOLD button to lock the current reading. The reading will remain on the display until the HOLD button is pressed again, or until the meter automatically powers off.

Operating Instructions

1. Power on the meter (4).
2. Press the MODE button (3) until the desired material type appears on the display.
3. Scan the material by pressing the sensor (6) against the material to be tested. To ensure the best accuracy, press the back of the meter against a flat area of the material. The sensor measures up to 3/4" (19 mm) thick. The display will show the percentage of moisture numerically (A), and segments of the Bar Graph (2) will illuminate as a visual reference of the level of moisture present in the material per the chart below.

Note: "OL" will appear on the display if the moisture content detected lies outside the meter's measurement range.

Note: "ER" will appear on the display if the material type is not supported by the meter.

Bar Graph Moisture Indicators

Maintenance

Battery Replacement

When the Low Battery indicator [C ?⬇️] is displayed on the LCD, the batteries must be replaced to avoid inaccurate measurements.

1. Loosen screw to remove battery door (7).
2. Remove and recycle exhausted 9V battery.
3. Install new battery.
4. Replace battery door and tighten screw.

[!] To avoid risk of electric shock, do not operate meter while battery door is removed.

Cleaning

Be sure meter is turned off and wipe sensor with a clean, dry lint-free cloth. Do not use abrasive cleaners or solvents.

Storage

Remove the batteries when meter is not in use for a prolonged period of time. Do not expose to high temperatures or humidity. After a period of storage in extreme conditions exceeding the limits mentioned in the General Specifications section, allow the meter to return to normal operating conditions before using.

Warranty, Disposal & Customer Service

Warranty

For warranty information, visit: www.kleintools.com/warranty

Disposal / Recycle

Do not place equipment and its accessories in the trash. Items must be properly disposed of in accordance with local regulations. Please see www.epa.gov/recycle for additional information.

Customer Service

KLEIN TOOLS, INC.
450 Bond Street
Lincolnshire, IL 60069
1-800-553-4676
customerservice@kleintools.com
www.kleintools.com