Klein Tools
Klein Tools ET140 Pinless Moisture Meter
$49.97
Best Moisture Meters · head-to-head
Klein Tools ET140 Pinless Moisture Meter vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter
A sourced, side-by-side comparison. Klein Tools ET140 Pinless Moisture Meter is cheaper at $49.97. Every spec and price links to its source.
Calculated Industries
Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Klein Tools ET140 Pinless Moisture Meter | Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter |
|---|---|---|
| US price | $49.97 | — |
| Brand | Klein Tools | Calculated Industries |
| Released | — | — |
| Measurement range pct | 0-100% (relative) | Pin: 5-50% wood, 1.5-33% other materials; Pinless: 0.1-100% |
| Pin vs pinless | Pinless | Pin and Pinless (combination) |
| Material calibration groups | Drywall, masonry, hardwood, softwood | Wood, lumber, firewood, drywall, plaster, brick, concrete |
| Sensing depth (in) | 0.75 | 0.75 |
| Accuracy | ±4% | ±(3% + 3 digits) pin; ±3% pinless |
| Hold peak function | Yes | Yes |
| Audible alarm | Yes | Yes |
| Display type | Reverse-contrast LCD + 9-segment LED bar graph, 0.1% resolution | Large digits, white LED backlight |
Sources — Klein Tools ET140 Pinless Moisture Meter: kleintools.com (verified 2026-08-05). Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter: globaltestsupply.com (verified 2026-08-05).
What's the difference between the Klein Tools ET140 Pinless Moisture Meter and Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Measurement range pct: Klein Tools ET140 Pinless Moisture Meter 0-100% (relative) 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: Klein Tools ET140 Pinless Moisture Meter Pinless vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter Pin and Pinless (combination)
- Material calibration groups: Klein Tools ET140 Pinless Moisture Meter Drywall, masonry, hardwood, softwood vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter Wood, lumber, firewood, drywall, plaster, brick, concrete
- Accuracy: Klein Tools ET140 Pinless Moisture Meter ±4% vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter ±(3% + 3 digits) pin; ±3% pinless
- Display type: Klein Tools ET140 Pinless Moisture Meter Reverse-contrast LCD + 9-segment LED bar graph, 0.1% resolution vs Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter Large digits, white LED backlight