1、 Core Technology and Working Principle

1. Detection Principle: AdoptingDynamic laser polarization scattering method(Or polarization stress analysis technology), by irradiating the glass surface with polarized laser and utilizing the birefringence effect of light, the stress distribution that is invisible to the naked eye is converted into quantifiable digital signals, achieving non-contact non-destructive testing.

2. Digital display systemBuilt in high-precision optical sensors and intelligent algorithms for real-time data collection and analysis,digital displayDirectly display stress values (MPa) with accuracy up to0.1MPaTo avoid manual reading errors.

3. Suitable for high borosilicate materialsOptimize detection parameters and calibration curves to ensure the high stress, high temperature resistance, and strong chemical stability of high borosilicate glass5-2000MPaAccurate measurement within a wide range.

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2、 Core technical parameters (typical configuration)

3、 Core advantages of the product

1. Accurate adaptation to high borosilicate fireproof glass

• Regarding high borosilicate fire-resistant glassHigh stress characteristicsOptimize the detection algorithm to solve the measurement deviation problem of ordinary stress gauges.

• Detectable fire-resistant glass after high-temperature firing and tempering treatmentresidual stressEvaluate thermal stability and impact resistance performance.

2. Portable digital display, efficient on-site operation

• Digital direct readingOne click operation, displaying results within 3 seconds, increasing efficiency by more than 10 times.

• Portable designLightweight body (about 1.2kg)+lithium battery power supply, suitable for complex environments such as high-altitude operations and construction sites.

• Non-destructive testingNon contact measurement, does not damage the glass surface, suitable for finished product acceptance.

3. Intelligent functions, reliable data

• Data storage and exportSupports USB/Bluetooth transmission, data traceability, and adapts to quality management systems.

• auto-calibrationBuilt in standard stress gauges, one click calibration to ensure long-term measurement accuracy.

• environmental adaptationWorking temperature -10~50 ℃, anti-interference design, suitable for complex environments on construction sites.

4、 Applicable scenarios

1. Production quality controlHigh borosilicate fire-resistant glass production enterprises conduct online testing, optimize tempering/annealing processes, and reduce defect rates.

2. project acceptanceOn site inspection of fire-resistant glass curtain walls, doors and windows in construction projects to ensure compliance with GB standards.

3. third-party testingQuality inspection agencies conduct sampling tests on fire-resistant glass and issue data reports.

4. Post disaster assessmentAssess the stress state of building glass after a fire and determine its safety.

5、 Operation process (simplified version)

1. prepareClean the glass surface to ensure no oil stains or dust; Preheat the instrument for 5 minutes after startup.

2. calibrationUse standard stress gauges for zero calibration (when using or changing environments).

3. detectionAlign the instrument probe with the measurement point, keep it vertical, and press the measurement button.

4. readingThe digital display screen shows stress values, automatically stores data, and can be exported in real-time.

5. analysisDetermine whether the result is qualified according to GB standards (surface stress of tempered glass ≥ 90MPa).

6、 Precautions for use

1. surface treatmentHigh reflective surfaces need to be sprayed with neutral matting agents to avoid laser reflection affecting accuracy.

2. Environmental RequirementsAvoid direct sunlight, ideal detection temperature is 23 ℃± 2 ℃, humidity is 50% ± 10%.

3. regular maintenanceRegular cleaning of optical lenses and monthly charging and discharging of lithium batteries to extend their lifespan.

4. Standard updatePay attention to the implementation of GB/T15763.2-2025 (August 2026) and update instrument calibration parameters in a timely manner.

7、 Selection suggestions

1. High borosilicate specific typePrioritize selecting models optimized for high borosilicate materials, such as NYL-150D, SCALP-05, etc.

2. Digital display functionMust have digital display and data storage to avoid manual recording errors.

3. portabilityPriority should be given to models with a weight of less than 1.5kg and a battery life of ≥ 8 hours for on-site testing.

4. Brand AssuranceChoose products from manufacturers that have passed ISO9001 certification and provide calibration services.