The Delmhorst TechCheck Plus is a two-mode moisture meter: pin mode for a quantitative moisture content reading, and a pinless scanner for finding moisture without marking the surface. It reads through built-in pins, the scanner, or optional external electrodes.
It does not measure relative humidity. If you need RH — for concrete slab testing or drying records — you want one of the 3-in-1 meters below.
What is in this package
- TechCheck Plus meter
- Carrying case
- Additional contact pins
Specifications
| Wood scale | 6% to 60% moisture content |
| Drywall scale | 0.1% to 6% — displays %MC, which is a Delmhorst exclusive |
| Scan mode | 0 to 300 reference scale for other building materials |
| Accuracy | ±0.5% from 12–20% MC; ±2.0% from 20–30% MC |
| Alarm | Audible, user adjustable to a preselected moisture content |
| Hold | Freezes readings taken in hard-to-reach areas |
| Electrodes | Accepts optional external Delmhorst electrodes |
The reading hold is more useful than it sounds. Reading behind a cistern or under a stair, you take the reading where you cannot see the screen, then read it once your hand is back out.
Choosing between the Delmhorst multi-mode meters
Four meters cover this ground and they separate on three things: how many measurement modes, whether the meter stores and exports readings, and whether it measures relative humidity.
| Meter | Modes | Stores readings | Suits |
| TechCheck Plus | Pin and scan | No | Two-mode work without RH. Freezes a reading taken out of sight. |
| QuickNav | Pin, scan, RH | No | Full 3-in-1 capability where you record readings yourself. |
| TotalCheck | Pin, scan, RH | Up to 1,400 with date and time stamp | Documented drying records, job groupings, PC download. |
| Navigator Pro | Pin, scan, RH | Yes, with job and room structure | Restoration work needing readings organised by room and exported. |
The honest short version. If you do not need to store and download readings, the QuickNav does the same measuring as the Navigator Pro for considerably less — Delmhorst say so themselves. If your work is insurance-backed or you are handing over drying records, storage stops being a luxury and the TotalCheck or Navigator Pro earns the difference.
All four take the same external electrodes, so a 21-E or 26-ES bought with one meter carries across to the next.
Frequently asked questions
What does 3-in-1 actually mean?
Pin mode for quantitative moisture content at a known depth, scan mode for finding moisture without marking a surface, and a thermo-hygrometer for air temperature and relative humidity. Three instruments in one body, so you are not carrying three.
Do I need storage?
Only if you have to prove what you found. On insurance and warranty work, a dated set of readings organised by room is what supports the claim. On maintenance work where you act on the reading and move on, storage is weight you are paying for.
Can I add electrodes later?
Yes. All Delmhorst electrodes fit all current Delmhorst meters. The 21-E reads inside wall cavities and the 26-ES drives into timber flooring with insulated pins.
Is scan mode a moisture content reading?
No. Scan mode gives a 0 to 300 relative reference, not a percentage. Use it to find where the moisture is, then pin the area to get a number you can defend.
Who supports the meter in Australia?
We do. Carpet Cleaners Warehouse is the exclusive Australian distributor for Delmhorst outside the agricultural sector, and we hold electrodes, pins and sleeves in stock.
Support and warranty
Carpet Cleaners Warehouse is the exclusive Australian distributor for Delmhorst outside the agricultural sector. Service, calibration questions and warranty claims are handled here rather than sent overseas, and we hold electrodes and pins in stock.
Two year warranty on manufacturing defects. This does not exclude, restrict or modify your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage.
From the workshop
[Technician’s Note — replace before publishing: two to four sentences of first-hand CCW field experience relevant to this product. A pattern you see, a mistake customers make, or something learned from servicing or selling it. Not spec repetition, not a sales pitch, not invented.]
Documents
Not sure which package or electrode suits your work? Tell us what you are reading — timber floors, wall cavities, concrete, cladding — and we will tell you what you actually need. More in Moisture Meters.
