MMD4E Digital/LED Compact Pin-Type Moisture Meter

  • $33.89 USD
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Whether you’re a professional contractor or a conscientious homeowner, General Tool’s MMD4E Digital Moisture Meter help you to easily detect hidden leaks in wood, concrete, plaster and carpet. Available as both analog and digital models, the Meters provide accurate moisture level readings and are great for new home inspections, locating roof leaks or even selecting dry lumber at the yard.


  • Ideal to use in woodworking, building construction and agriculture. 
  • Meter is also used in the restoration business to check if there is moisture in carpets and sub-flooring.
  • LCD display.
  • Wide measuring range
  • Check wood, drywall and concrete before painting, sealing or treating
  • Locate and identify water leaks in roofs, floors & walls
  • Great for homeowners, contractors and inspectors
  • Built-in low battery indicator
  • Display will show the moisture content in "% moisture Content" directly.
  • Protective Cover
  • Battery


  • Length (in): 5.7 Weight (lbs): 4.4 oz
  • Width (in): 2.4
  • Height (in): 1.2
  • Display: 3 digit, 10mmLCD
  • Range: 8-30%
  • Resolution: 0.1%
  • Accuracy: ±2%
  • Sampling Rate: 1s
  • Power Supply: 1 x 9V Battery
  • Operating Environment: 32 to 122 °F (0 to 50 °C), RH90%
  • Size: 145 x 60 x 30mm
  • Weight: 125g

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★ Reviews

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345 reviews
LaCrosse wireless temperature sensor

Works perfectly and setup instructions were very clear.

Sensor replacement

The new sensor works good, easy to find, fast shipment, highly recommend.

Didn't work

Did extensive online search for outdoor temp transmitter for La Crosse time/temp clock. Ordered one suggested in cross reference chart. Worked for 2 hours and quit. Replaced batteries to no avail. Don't have time to go thru return process for a $20 item.

Hi Lovelle, This is usually an indication that your base unit has stopped working. Feel free to return your order for a refund.
A very good replacement!

The remote temperature sensor met my expectations!

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