S300 Shallow Scan Pinless Wood Moisture Meter


  • Shallow scan pinless moisture meter measures to a depth of 0.25” (0.6cm)
  • Easily adjustable hardwood and softwood species settings
  • Digital display with moisture content readings between 6% and 32%
  • Can be used on other building materials such as drywall for relative readings

The Bessemeter S300 Shallow Scan Pinless Wood Moisture Meter provides near-instantaneous moisture measurement readings for quickly scanning softwood and hardwood pieces to determine moisture pockets. Woodworking professionals and hobbyists alike will appreciate the comfortable yet rugged design built for any wood moisture measurement applications. The Calibration Verification Reference (sold separately) allows you to check the calibration of the S300 quickly and easily.

The S300 measures to a depth of 0.25” (0.6cm) inside all species of softwood and hardwood and features a digital display that shows moisture content percentages between 6% and 32%. Protected by a 2-year warranty, the S300 features a reading “Hold” function and comes with a hardshell carrying case.


Meter Manual & Species Settings Table
Product Brochure



  • Length: 5.60 inches (142mm)
  • Width: 2.80 inches (71mm)
  • Thickness: 0.86 inches (22mm)


  • 5.44 ounces (154.2 g) with the battery
  • 3.92 ounces (111.1 g) without the battery

Scanning Area:

  • 2.0 inches (51mm) x 2.5 inches (64mm)

Measurement Depth:

  • S300: 1/4" (6mm) depth
  • D300: 3/4" (19mm) depth
  • DS500: 1/4" (6mm) and 3/4" (19mm) depth

Specific Gravity Range:

MC Range:

  • 6.0% to 32.0% MC range for wood


  • 0.1%

Auto Power Shutdown:

  • 60 seconds


  • 9V battery (Bessemeter recommends using non-rechargeable Alkaline or Lithium, or rechargeable NiMH batteries)

Operating Temperature:

  • +32 deg F to +110 deg F (+0 deg C to +43 deg C)

Storage Temperature and Humidity:

  • +50 deg F to +90 deg F (+10 deg C to +32 deg C)
  • Maximum relative humidity of 95%, non-condensing


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