Face Mask Field of Vision Tester

Mask Visual Field Testerintroduction:
Mask Visual Field Tester is to evalute the effective field of vision of full face mask, half face mask or other respirator.

To determine whether field of vision under the mask meets the standard requirement or not.

Feature:

Hemispherical surface of visual field(Including holder)
Standard head mold (install electric beads and control switch)
Spherical projection of field of vision

Specifications:

Perimetry semicircle radius	305mm
Left and right field of vision	le;120deg;
Pupillary distance	62.5mm
Head mold can move left and right
Dimensions	800times;500times;750mm