Extech
Extech MO55 Combination Pin/Pinless Moisture Meter
$104.78Cheaper
Best Moisture Meters · head-to-head
Extech MO55 Combination Pin/Pinless Moisture Meter vs Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter
A sourced, side-by-side comparison. Extech MO55 Combination Pin/Pinless Moisture Meter is cheaper at $104.78. Every spec and price links to its source.
Protimeter (Amphenol)
Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter
$749.99
Which is better: the Extech MO55 Combination Pin/Pinless Moisture Meter or Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter?
On the specs we track, they're closely matched. The Extech MO55 Combination Pin/Pinless Moisture Meter is the cheaper at $104.78.
See Extech MO55 Combination Pin/Pinless Moisture Meter on Amazon See Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Extech MO55 Combination Pin/Pinless Moisture Meter | Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter |
|---|---|---|
| US price | $104.78 | $749.99 |
| Brand | Extech | Protimeter (Amphenol) |
| Released | — | — |
| Measurement range pct | Pin: 5-50% wood, 1.5-33% other materials; Pinless: 0-99% | Pin: 8-99% WME (readings above 30% relative); Pinless: 60-1000 (relative scale) |
| Pin vs pinless | Pin and Pinless (combination) | Pin and Pinless (dual-function) |
| Material calibration groups | Wood (low/medium/high), other building materials (low/medium/high) | Wood, drywall, building materials, concrete, fiberglass boat hulls |
| Sensing depth (in) | 1 | 0.75 |
| Accuracy | ±(3% of reading + 5 digits) | — |
| Hold peak function | Yes | Yes |
| Audible alarm | Yes | — |
| Display type | LCD with low/medium/high icons | Backlit LCD |
Sources — Extech MO55 Combination Pin/Pinless Moisture Meter: extech.com (verified 2026-08-05). Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter: protimeter.com (verified 2026-08-05).
What's the difference between the Extech MO55 Combination Pin/Pinless Moisture Meter and Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Measurement range pct: Extech MO55 Combination Pin/Pinless Moisture Meter Pin: 5-50% wood, 1.5-33% other materials; Pinless: 0-99% vs Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter Pin: 8-99% WME (readings above 30% relative); Pinless: 60-1000 (relative scale)
- Pin vs pinless: Extech MO55 Combination Pin/Pinless Moisture Meter Pin and Pinless (combination) vs Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter Pin and Pinless (dual-function)
- Material calibration groups: Extech MO55 Combination Pin/Pinless Moisture Meter Wood (low/medium/high), other building materials (low/medium/high) vs Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter Wood, drywall, building materials, concrete, fiberglass boat hulls
- Sensing depth (in): Extech MO55 Combination Pin/Pinless Moisture Meter 1 vs Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter 0.75
- Display type: Extech MO55 Combination Pin/Pinless Moisture Meter LCD with low/medium/high icons vs Protimeter BLD5365 SurveyMaster Dual-Function Moisture Meter Backlit LCD