# Klein Tools ET140 Pinless Moisture Meter vs Delmhorst BD-2100 Digital Pin Moisture Meter: specs and price compared

A sourced, side-by-side comparison of the Klein Tools ET140 Pinless Moisture Meter (Klein Tools) and Delmhorst BD-2100 Digital Pin Moisture Meter (Delmhorst) among moisture meters. Klein Tools ET140 Pinless Moisture Meter is the cheaper of the two at $49.97.

## Side by side

| Spec | Klein Tools ET140 Pinless Moisture Meter | Delmhorst BD-2100 Digital Pin Moisture Meter |
| --- | --- | --- |
| US price | $49.97 | $490 |
| Brand | Klein Tools | Delmhorst |
| Measurement range pct | 0-100% (relative) | 6-40% wood; 0.2-50% gypsum/sheetrock; 0-100 reference scale |
| Pin vs pinless | Pinless | Pin |
| Material calibration groups | Drywall, masonry, hardwood, softwood | Wood scale, gypsum/sheetrock scale, 0-100 reference scale for other materials |
| Sensing depth (in) | 0.75 | 0.3125 |
| Accuracy | ±4% | — |
| Hold peak function | Yes | Yes |
| Audible alarm | Yes | Yes |
| Display type | Reverse-contrast LCD + 9-segment LED bar graph, 0.1% resolution | Digital display |

## Key differences

- Measurement range pct: Klein Tools ET140 Pinless Moisture Meter 0-100% (relative) vs Delmhorst BD-2100 Digital Pin Moisture Meter 6-40% wood; 0.2-50% gypsum/sheetrock; 0-100 reference scale
- Pin vs pinless: Klein Tools ET140 Pinless Moisture Meter Pinless vs Delmhorst BD-2100 Digital Pin Moisture Meter Pin
- Material calibration groups: Klein Tools ET140 Pinless Moisture Meter Drywall, masonry, hardwood, softwood vs Delmhorst BD-2100 Digital Pin Moisture Meter Wood scale, gypsum/sheetrock scale, 0-100 reference scale for other materials
- Sensing depth (in): Klein Tools ET140 Pinless Moisture Meter 0.75 vs Delmhorst BD-2100 Digital Pin Moisture Meter 0.3125
- Display type: Klein Tools ET140 Pinless Moisture Meter Reverse-contrast LCD + 9-segment LED bar graph, 0.1% resolution vs Delmhorst BD-2100 Digital Pin Moisture Meter Digital display

## Sources

- Klein Tools ET140 Pinless Moisture Meter: https://www.kleintools.com/catalog/environmental-testers/pinless-moisture-meter (kleintools.com, verified 2026-08-05)
- 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)

Canonical: https://frontdeskreview.com/gear/moisture-meters/klein-tools-et140-vs-delmhorst-bd-2100/
Cite: Per The Front Desk Review, Klein Tools ET140 Pinless Moisture Meter ($49.97) vs Delmhorst BD-2100 Digital Pin Moisture Meter ($490) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/moisture-meters/klein-tools-et140-vs-delmhorst-bd-2100/
License: CC BY 4.0.