Overview
The Austrian-made Schaller humimeter GF2 combines a non-destructive building-material sensor with optional external probes. Each trade kit listed here includes the GF2 base instrument as well as the named accessory package.
Key features
- Built-in surface measurement for supported concrete, screed and building materials
- Trade kits add the probes needed for the selected applications
- Hold, automatic and manual recording for up to 10,000 logs
Applications
- Building surveys
- Moisture investigation and renovation
- Flooring preparation
- Timber and joinery checks with electrode kit
Specifications
| Built-in measurement | 0–20% water content, material-dependent |
|---|---|
| Resolution | 0.1% water content |
| Nominal measurement depth | 30 mm |
| Temperature compensation | Automatic |
| Base dimensions and weight | 147 × 75 × 30 mm; 265 g including batteries |
| Power | 4 × AA alkaline batteries |
| External humidity probe | 0–100% RH; ±2% RH at 0–90% RH and 25 °C |
Included equipment and kit selection
Base instrument: GF2 13140, protective cover and batteries. Builders kit adds 13744: conductance electronics 13141, hand electrode 12847, plug-in electrodes 13011, flat electrodes 13012, humidity sensor 12514, infrared sensor 12513 and case 11929. Painters kit adds 13739: 13141, 12847, 12514, 12513 and case 12512. Carpenters kit adds 13748: 13141, ram electrode 12630, insulated 60 mm tips 11482, 12514 and case 11929. Floor layers kit adds 13746: 12514, 12513 and case 12512.
Optional accessories and selection notes
Factory report 10600 covers the material moisture instrument; confirm any additional humidity-probe calibration scope separately. USB module 12278 and test plate 10003 are optional. Surface screening and calculated CM values do not replace a specified reference acceptance test.