【适用范围】

This instrument is applicable to all snags testing and grading standards. It obtains the grading result by comparing the test sample with the standard sample photo under the specified light source.

【相关标准】

GB/T 11047, JIS 1058, etc.

【Product Features】

1．Adopts a 12V 55W quartz halogen lamp as the standard light source. The lampshade is equipped with a Fresnel lens to make the light parallel, ensuring stable illuminance.

2．The lamp has a long service life. The reflector is made of optical glass for reflection to reduce diffuse reflection.

3．It features an elegant appearance, compact structure and easy operation. Providing a stable and reliable standard lighting source, it is a new type of standard light source box with excellent cost performance.

【Technical Parameters】

1．Light Source: 12V, 55W quartz halogen lamp (Service Life: 500 hours)

2．Power Supply: AC220V±10%, 50Hz

3．Overall Dimensions: 435mm × 590mm × 445mm

4．Net Weight: 20kg

【Operation Instructions】

1．Connect the power supply and turn on the power switch.

2．Place the test sample as required by the standard. Insert the standard sample photo board with the attached sample photo into the instrument, compare it with the test sample. Move the standard sample photo board, observe and compare the sample photo with the test sample to determine which grade it meets, and complete the grading of the test sample.