# Delmhorst BD-2100 Digital Pin Moisture Meter vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter: specs and price compared

A sourced, side-by-side comparison of the Delmhorst BD-2100 Digital Pin Moisture Meter (Delmhorst) and Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter (Calculated Industries) among moisture meters.

## Side by side

| Spec | Delmhorst BD-2100 Digital Pin Moisture Meter | Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter |
| --- | --- | --- |
| US price | $490 | not published |
| Brand | Delmhorst | Calculated Industries |
| Measurement range pct | 6-40% wood; 0.2-50% gypsum/sheetrock; 0-100 reference scale | Pin: 5-50% wood, 1.5-33% other materials; Pinless: 0.1-100% |
| Pin vs pinless | Pin | Pin and Pinless (combination) |
| Material calibration groups | Wood scale, gypsum/sheetrock scale, 0-100 reference scale for other materials | Wood, lumber, firewood, drywall, plaster, brick, concrete |
| Sensing depth (in) | 0.3125 | 0.75 |
| Accuracy | — | ±(3% + 3 digits) pin; ±3% pinless |
| Hold peak function | Yes | Yes |
| Audible alarm | Yes | Yes |
| Display type | Digital display | Large digits, white LED backlight |

## Key differences

- Measurement range pct: Delmhorst BD-2100 Digital Pin Moisture Meter 6-40% wood; 0.2-50% gypsum/sheetrock; 0-100 reference scale vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter Pin: 5-50% wood, 1.5-33% other materials; Pinless: 0.1-100%
- Pin vs pinless: Delmhorst BD-2100 Digital Pin Moisture Meter Pin vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter Pin and Pinless (combination)
- Material calibration groups: Delmhorst BD-2100 Digital Pin Moisture Meter Wood scale, gypsum/sheetrock scale, 0-100 reference scale for other materials vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter Wood, lumber, firewood, drywall, plaster, brick, concrete
- Sensing depth (in): Delmhorst BD-2100 Digital Pin Moisture Meter 0.3125 vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter 0.75
- Display type: Delmhorst BD-2100 Digital Pin Moisture Meter Digital display vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter Large digits, white LED backlight

## Sources

- Delmhorst BD-2100 Digital Pin Moisture Meter: https://www.forestry-suppliers.com/p/79326/27761/delmhorst-bd-2100-moisture-meter (forestry-suppliers.com, verified 2026-08-05)
- Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter: https://www.globaltestsupply.com/product/calculated-industries-7445-accumaster-duo-pro-pin-and-pinless-moisture-meter (globaltestsupply.com, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/moisture-meters/delmhorst-bd-2100-vs-calculated-industries-7445-accumaster-duo-pro/
Cite: Per The Front Desk Review, Delmhorst BD-2100 Digital Pin Moisture Meter ($490) vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/moisture-meters/delmhorst-bd-2100-vs-calculated-industries-7445-accumaster-duo-pro/
License: CC BY 4.0.