JF-1Wifi Surface Stress Meter

Short Description:

JF-1Wifi Surface Stress Meter is applied for measuring surface stress of thermally toughened glass, heat-strengthened glass and annealed glass on the tin side according to the enhanced GASP method.

Product Detail

Product Tags


The instrument meets the standard GB 15763.2 Safety Glazing Materials in Building - Part 2 Tempered Glass, GB/T 18144 Test Method for Measurement of Stress in Glass, ASTM C 1279 Test Method for Non-Destructive Photoelastic Measurement of Edge and Surface Stress in Annealed, Heat-Strengthened and Fully Tempered Flat Glass, and ASTM C 1048 Heat-Treated Flat Glass - Kind HS, Kind FT Coated and Uncoated Glass. 

JF-1 WiFi glass surface stress meter has three versions: tempered soda-lime glass version (single light source version), tempered borosilicate glass version (single light source version), and multi-functional version (dual light source version, which can measure tempered soda-lime glass and tempered borosilicate glass).

Different Types

It comes with a mobile phone and phone mount, allowing for attached or detached use. The stress meter is connected with the mobile phone through WiFi, and the stress value can be calculated on the mobile phone. The instrument is connected to the mobile phone via WIFI, and the stress value calculation, recording and stress meter setting can be completed on the mobile phone. IOS users download JF-1Wifi Surface Stress Meter app from App store, Android users download JF-1Wifi Surface Stress Meter app from relevant app store.

The operator selects the type of glass to be tested,

① Single light source stress meter: only one switch (refer to the hardware diagram), no light source selection switch, no need to select the light source;

② Dual light source stress meter: upward light source I am sodium calcium silicon glass, downward light source II is high borosilicate glass; In the middle is the off mode (refer to the hardware diagram);


Range: 15~300MPa;

Battery: Battery model 18650;

Dimension: 120*101*46mm;

Weight: 0.6 kg;

Resolution: Soda-lime glass 2.3MPa;

Borosilicate glass 1.9MPa;

JF-1WiFi Stress Meter ()

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