Product Description
EDTM SG2700 Strengthened Glass Detector – Tempered Glass Tester
The SG2700 confirms whether glass has been strengthened – tempered, heat-strengthened or safety glass – without breaking a sample. On double-pane units it tests both panes at once, which helps when only one side of an installed window is accessible. It also identifies the thickness of the first pane.
How It Works
Slide the detector across the glass and watch the surface reflections head-on. Crossing the stress lines created by the strengthening process makes the reflections from the detector's LED array change color.
Key Features
- Rugged LED light sources – no fragile filament lamp
- Specialized optics let you view results head-on, no head tilting
- Standard 9V alkaline battery with automatic power-down
- Includes light-blocking cloth for bright conditions and a protective carrying case
Common Uses
- Verifying unmarked glass in the plant
- Confirming tempered glass in installed windows
- Ordering correct replacement glass
- Checking glass before tinting or IG seal repair
- Job-site spot checks by inspectors
Strengthened Glass Classifications
| Heat-strengthened glass | 3,500 – 7,500 psi surface compression |
| Tempered glass | > 10,000 psi |
| Safety glass | 15,000 – 22,000 psi |
Classifications per ASTM C-1048, ANSI Z97-1 and 16 CFR 1201. The SG2700 confirms the glass is strengthened but does not distinguish between these three classes.
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