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Scalp-05 Standard Block Specification
NegotiableUpdate on 05/06
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Overview
The GlasStress portable intelligent stress analyzer from Estonia is mainly used for measuring surface stress of glass curtain walls, automotive glass, and photovoltaic glass. The principle is based on the use of photoelastic method and birefringence principle. This machine is equipped with a computer, which can reduce the measurement error of the measurer Scalp-05 Standard Block Specification
Product Details
SCALP-05 Standard Block Specification
entry |
parameter content |
product name |
SCALP-05 standard block (for glass stress testing calibration) |
Product Model |
SCALP-05 |
version number |
V1.0 |
Product Classification |
Standard parts for testing and calibration |
core purpose |
Used for calibration of SCALP-05 series portable intelligent stress gauges, ensuring the accuracy and standardization of glass stress detection, suitable for traceability of measurement values in testing scenarios such as building glass, automotive glass, photovoltaic glass, etc |
parameter item |
Parameter requirements |
Testing method/basis |
Overall dimensions |
20mm x 20mm x 10mm (length x width x height), tolerance ± 0.02mm |
High precision vernier caliper (accuracy 0.001mm) measurement, take the average of 3 different points |
Net weight |
8±0.2g |
Electronic analytical balance (accuracy 0.001g) measurement |
material |
High uniformity borosilicate glass, free of bubbles, cracks, and impurities |
Visual inspection (10x magnifying glass)+verification of material warranty certificate |
surface treatment |
Double sided polishing, surface roughness Ra ≤ 0.02 μ m |
Surface roughness meter measurement |
Suitable for glass type adaptation |
Compatible with flat and curved glass calibration scenarios (curved calibration adapted to curvature radius r>300mm) |
Actual installation and testing of SCALP-05 stress gauge |
2.2 Stress standard parameters
parameter item |
Parameter requirements |
Testing method/basis |
Standard surface stress value |
Three standard gradients of 2MPa, 5MPa, and 10MPa (corresponding specifications can be selected according to calibration requirements) |
Calibration of measuring standard devices and issuance of calibration certificates |
Stress uniformity |
The stress deviation at any point on the surface of the same standard block is ≤± 0.1MPa |
SCALP-05 stress gauge multi-point (no less than 5 points) measurement verification |
Precision of stress standard value |
When the surface stress is ≤ 4MPa, the accuracy error is ＜ ± 0.05MPa; When the surface stress is greater than 4MPa, the accuracy error is less than ± 2% |
Comparison standard stress block calibration verification |
Stress stability period |
Under normal storage conditions, the stable period of stress standard value is ≥ 12 months |
Long term stability testing in a constant temperature and humidity environment (23 ℃± 2 ℃, 50% RH ± 5% RH) |
2.3 Environmental adaptation parameters
parameter item |
Parameter requirements |
Testing method/basis |
Working temperature range |
-10℃~+50℃ |
High and low temperature test chamber simulation environment testing |
Working humidity range |
0~90% relative humidity (without condensation) |
Constant temperature and humidity chamber simulation environment testing |
Protection grade |
IP54 (adapted to on-site testing environment) |
Dust and Waterproof Test Chamber Testing |
3.1 Adaptation Equipment: Specially designed for daily calibration, periodic calibration, and post maintenance calibration of SCALP-05 series portable intelligent stress gauges to ensure that the measurement accuracy of the equipment meets the testing requirements.
3.2 Application scenarios: Suitable for the calibration of stress testing of various transparent glass materials such as building curtain wall glass, automotive safety glass, photovoltaic module glass, etc., covering the entire process scenarios of production quality inspection, engineering acceptance, operation and maintenance inspection, etc.
3.3 Limitations: Not applicable for calibration scenarios on special coating surfaces such as Low-E film, anti reflective film, screen printing, etc; Avoid using in direct sunlight to avoid affecting calibration accuracy.
4 Inspection Standards and Methods
4.1.1 Comply with the national standard requirements of GB/T 18144-2019 "Glass Stress Testing Methods".
4.1.2 Comply with the relevant calibration requirements of ISO 12543-2 "Automotive Safety Glass" international standard.
4.2.1 Dimensional Inspection: Use a high-precision vernier caliper with an accuracy of 0.001mm to select 3 evenly distributed points in the dimensions of length, width, and height of the standard block for measurement. Take the average value and ensure that the deviation meets the requirement of ± 0.02mm.
4.2.2 Material and surface quality inspection: visually inspect with a 10x magnifying glass to confirm the absence of defects such as bubbles, cracks, impurities, etc; To measure surface roughness using a surface roughness meter, it is necessary to meet the requirement of Ra ≤ 0.02 μ m.
4.2.3 Stress parameter inspection: Use the standard block in conjunction with the SCALP-05 stress meter, complete the measurement according to the equipment operating specifications, and ensure that the deviation between the measurement results and the calibrated stress values of the standard block meets the accuracy requirements; Simultaneously conduct multi-point measurements to verify stress uniformity.
4.2.4 Environmental adaptability test: Simulate different environmental conditions in high and low temperature test chambers, constant temperature and humidity test chambers, and dust-proof and waterproof test chambers to complete calibration tests and ensure the stability of various parameters.
5 Packaging and Storage Requirements
Anti static and anti-collision packaging is adopted. The inner packaging is sealed foam box, and the outer packaging is hard cardboard box; The packaging should be accompanied by product qualification certificate, calibration certificate, user manual and other materials.
5.2.1 Storage environment: It should be placed in a constant temperature and humidity environment, with temperature controlled between 15 ℃~30 ℃, relative humidity controlled between 40%~60%, and no condensation.
5.2.2 Storage taboos: Keep away from corrosive substances such as acid and alkali, strong magnetic fields, and strong vibration environments; Avoid direct sunlight and high temperature exposure; Stacking and heavy pressure are strictly prohibited.
5.2.3 Validity period: Under normal storage conditions, the product has a validity period of 12 months. After expiration, it needs to be recalibrated and calibrated before it can continue to be used.
Scalp-05 Standard Block Specification
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