JF-3A Glass Surface Stress Meter
There is a prism at the bottom of the instrument. There are two adjustable knobs at the two side of the instrument. In the measurement operation, operator can get the image by adjusting the first knob. Operator can change light direction by adjusting the second knob.
For the maintenance, please be kindly notice following steps;
1. Disconnect the charging power supply from recharge socket, turn the power switch off.
2. Loosen the screws of battery cover by a screwdriver, remove the battery cover.
3. Take the battery out.
4. Insert the new battery (standard 18650 battery), the positive pole of battery is upper.
5. Install the battery cover, tighten the two screws.
6. Charging with 5VDC power supply.
CS: Surface compress stress
A1: Wedge factor (Factor)
θ: Rotation angle of fringe
Wedge angle: 1°/2°/4°
Resolution: 1 Degree
Battery model: 18650
Range: 0~95MPa(0~13000PSI)/0~185 MPa (0~26000PSI)
Code and standard: ASTM C 1048, ASTM C 1279, EN12150-2, EN1863-2
1. Professional R&D team
Application test support ensures that you no longer worry about multiple test instruments.
2. Product marketing cooperation
The products are sold to many countries all over the world.
3. Strict quality control
4. Stable delivery time and reasonable order delivery time control.
We are a professional team, our members have many years of experience in international trade. We are a young team, full of inspiration and innovation. We are a dedicated team. We use qualified products to satisfy customers and win their trust. We are a team with dreams. Our common dream is to provide customers with the most reliable products and improve together. Trust us, win-win.
