Protimeter replacement base for the heavy duty hammer electrode
The head assembly of the BLD5055 hammer electrode, into which the insulated needles are fitted.
Specifications
| Part number | BLD5055-BA |
|---|---|
| Application | Protimeter BLD5055 heavy duty hammer electrode |
Compatible meters
- Protimeter MMS3
- Protimeter MMS2
- Protimeter SurveyMaster
- Protimeter Mini, Mini C and Digital Mini
- Protimeter TimberMaster
When to replace the base rather than the needles
If new needles will not sit square, will not tighten, or work loose after a few drives, the base is worn. A needle that is not held firmly makes intermittent contact under hammer load, which reads as an unstable or low moisture content — the meter appears to be failing when the fault is mechanical.
The other serviceable part is the electrode cable.
The other serviceable parts
- Insulated needles, 10 pack (BLD05296)
- Replacement electrode cable (BLD5055-CA)
- Complete heavy duty hammer electrode (BLD5055)
Meters this fits
- Protimeter MMS3 — and the MMS2 it replaced
- Protimeter SurveyMaster
- Protimeter TimberMaster
- Protimeter Digital Mini
- Protimeter Mini C and Protimeter Mini
It does not fit the HygroMaster range, which measures air rather than materials, or the non-invasive Aquant and ReachMaster Pro, which take no probes at all.
Tell us which Protimeter you run and we will confirm the right part before you order.

