Delmhorst BD-2100 Pin-Style Moisture Meter

Delmhorst BD-2100 Digital Moisture Meter is a pin-style moisture meter with digital read-out featuring wood, reference, and gypsum scales. Ideal for flooring, painting, and general contractors, for woodworkers, and home inspection applications.

SKU: DEL-BD2100 Category: Tags: ,


The Delmhorst BD-2100 is a pin-type moisture meter with digital read-out. The BD2100 features three moisture measurement scales: 6 – 40% wood scale, 0.2 – 50% sheetrock scale, and a 0 – 100 numerical reference scale – making it ideal for measuring moisture of a wide variety of materials including wood, concrete, EIFS, roofing, insulation, and flooring. The BD2100 also calculates the average of up to 100 moisture readings, and allows the inspector to preset permissible moisture measurement for alert-point.


  • Digital readout with three scales:
    • 6% – 40% wood scale (for flooring, wood studs, floor joists & subfloors)
    • 1 – 100 numerical reference scale for testing of non-wood materials such as concrete, plaster, and insulation
    • 0.2% – 50% gypsum scale for use on drywall
  • Integral contact pins that penetrate 5/16″
  • Averages up to 100 accumulated readings
  • Built-in calibration check
  • Set-point alerts when a pre-selected moisture content is reached
  • Adjustable audible alarm
  • Built-in connector accepts any Delmhorst external electrode
Weight 284 g
Dimensions 203 × 76 × 44 mm

The Delmhorst BD-2100 comes with:

  • 9V Battery
  • Carrying Case
  • One Year Manufacturer’s Warranty

The BD-2100 Moisture Meter may be purchased in the following packages:

  • Meter with case – BD-2100w/cs: BD-2100 Moisture meter in plastic carrying case with extra contact pins.
  • Standard package – BD-2100/pkg: BD2100 Moisture Meter, 21-E electrode, extra contact pins for the meter, and carry case.
  • Flooring package – BD-2100/26/pkg: Moisture Meter, 26-ES electrode, extra contact pins for the meter, extra 496 pins for the electrode, and carrying case.
  • EIFS package – BD-2100/EIFS/Pkg: BD2100 Moisture Meter, 21-E electrode, 2 – #608/001 extra long pins for the electrode, extra pins for the meter, hole punch, and carrying case.
  • Complete package – BD-2100/26/21/pkg: includes the meter, Electrodes: 21-E and 26-ES, extra contact pins for the meter, extra 496 pins for the 26-eS electrode, and carrying case.

A variety of optional electrodes and replacement pins are also available for moisture testing of different structures.

Delmhorst BD-2100 Moisture Meter Video