Impact specimen notch projector specification

The impact specimen notch projector is designed and developed by Jinan Liangong Testing Technology Co.,Ltd according to the actual needs of domestic users and the requirements of GB/T229-2007 and ASTM E23-02a for impact specimen notch. A special optical instrument for checking Charpy V-type and U-shaped impact specimen notch processing quality. The instrument compares the measured impact specimen with V and U-notch standard specimen pattern by optical projection method to determine whether the tested sample notch processing is qualified or not, the advantages are that the operation is simple, the inspection is intuitive and the efficiency is high.
Impact Specimen Notch Projector Specifications:
1, The impact projector notch projector has been strictly inspected at the factory. If the storage and transportation arrives at the user without accident, it can work normally. Do not adjust the instrument during use.
2, The working environment of the recessed projector should be kept clean to avoid harmful gases, dust and oil mist. The working temperature should be kept between 20 and 35 °C, and the relative humidity in the air should not exceed 50%. Otherwise, it will have adverse effects on the optical components and metal coating of the instrument and damage the image quality.
3, To ensure clear imaging, the instrument should be placed in a place where there is no daylight or other stray light refraction projection screen.
4, the lens should always be kept clean, the surface of the lens should not be touched by hand. If there is oil stain, use a bristle brush to gently remove the floating ash, and then gently wipe it with a mixture of absorbent gauze, anhydrous ethanol and ether, use a cotton wool glass cleaner to remove dust and oil of the projector screen surface, and finally wipe it with a cotton wool dipped in water.
5, the instrument exposed parts of the machine should be regularly cleaned with gasoline, coated with the right amount of lubricant.
6, the instrument must be connected to the ground wire to ensure safety.
7, If you have other questions such as quality, please contact us in time.