Main Features
- Simple
- Relative humidity and temperature readings in accordance with ASTM F2170.
- Probes active and transmitting for up to 3 weeks.
- Combined sleeve-probe design: faster installation without consumables.
- Operates with standard button batteries.
- Accurate
- Fast-response sensors for stable and repeatable readings.
- Cal Check function: automatically verifies each probe’s tolerance.
- Includes NIST-traceable calibration certificate.
- Durable
- Fully reusable smart probes.
- Resistant to solvents, oils, acids, dust, and moisture.
- 2-year warranty.
- Powerful
- Accelerated acclimation to reduce total testing time.
- Blue LED to verify operation and transmission.
- Includes access to the PosiTector app (iOS/Android) for analysis and reporting.
Technical specifications
| Variable | Range | Accuracy | Resolution |
| Temperature | 0–80 °C (32–175 °F) | ±0.5 °C / ±1 °F | 0.1 °C / °F |
| Relative humidity | 10–90% RH | ±2%* | 0.1% |
| Humidity >90% | — | ±3%* | 0.1% |
* Specified for temperatures between 0–65 °C.
Available kits for the PosiTector CMM IS
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| Basic kit | Complete kit | Kit Pro |
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Expansion Packs
- 1 Pack
- 1 CMM IS probe.
- 1 saturated saline solution.
- 1 calibration check chamber.
- 1 cap.
- 2 stackable probe extensions.
- 2 button batteries.
- 4-Pack
- 4 CMM IS probes.
- 4 saturated saline solutions.
- 4 calibration check chambers.
- 4 caps.
- 8 stackable probe extensions.
- 10 button batteries.
- 16-Pack
- 16 CMM IS probes.
- 16 saturated saline solutions.
- 16 calibration check chambers.
- 16 caps.
- 32 stackable probe extensions.
- 40 button batteries.
*Expansion Packs: Add additional probes as needed.
Recording and Reporting Methods
1) PosiTector App (iOS/Android)
- View RH and temperature readings from all probes.
- Record date and time according to ASTM F2170.
- Add plans, images, and hole locations.
- Automatically generate professional PDF reports.
2) Advanced PosiTector DPM
(Included in Pro Kit)
- Displays CMM IS probe data and environmental parameters.
- Stores up to 250,000 data sets.
- Compatible with PosiSoft, the official analysis and reporting software.
Benefits of the PosiTector CMM IS
- Full compliance with ASTM F2170.
- Readings without disturbing the hole.
- Time-saving thanks to accelerated acclimation.
- Consumable-free system.
- Ideal for flooring installers, laboratories, and site quality control technicians.
Frequently Asked Questions (FAQ)
What does the PosiTector CMM IS measure?
It measures relative humidity and temperature inside concrete to assess whether flooring can be installed safely.
Is the humidity gauge reusable?
Yes. The PosiTector CMM IS probe system is 100% reusable.
Does it comply with ASTM F2170?
Yes, it is specifically designed to perform tests according to ASTM F2170.
Are consumables required?
No. The sleeve-probe design eliminates consumables and reduces costs.
Which kit should I choose?
- Basic: for small tests.
- Complete: for medium-size projects with secure transport.
- Pro: for technicians needing environmental measurement + advanced reporting.
How can I purchase the PosiTector CMM IS humidity gauge?
You can easily buy the Defelsko PosiTector CMM IS by clicking the “Request Quote” button below, and our team will contact you to manage your purchase and delivery.


