Product Overview of Filter Mask Visual Field Tester

1. Product Overview: The filter visual field tester is used to determine whether the visual field under the filter meets the requirements. It is used to test the visual field effect of daily protective filters, masks, etc. It is suitable for labor safety protection inspection centers, medical device and drug inspection centers, disease prevention and control centers, textile testing centers, filter material and mask manufacturers, etc.

3. Technical parameters

1. The radius of the semi-arc of the perimeter: 305mm

2. Left and right field of view: ≤120°

3. Pupil distance: 62.5mm

4. Standard head mold, the head mold can be moved left and right

5. Overall dimensions: 800×500×750mm

6. Weight: 80kg

7. Power supply: AC220V 50Hz

8. Intelligent human-machine integration

9. Delta PLC

10. The shell is sprayed with plastic, rust-proof, and aluminum alloy frame

4. Technical indicators:

1. Perimeter: semicircular arc: radius 300040 mm, can rotate around the horizontal radius of 0°, with scale lines marked on the arc (one scale every 15°);

2. Test head mold: a standard head mold with small bulbs installed in the two eye holes of the head mold. The position of the bulbs and the placement of the head mold shall comply with the requirements of standard GB 2890.

3. Calculation of visual field area: Use a dedicated software system to automatically calculate the visual field area by computer; unit of measurement: mm2.