VPS-32B
No need to rotate while measuring.
The red light was sealed with setting red-glue; it can concentrate the
light and resist water.
The sensor beeps while the red light is on.
The sensor will beep when the user couldn’t see the reverse side or
get a clear sight.
Example. If sensor’s light is working, visually you couldn’t see in-
side of the inner hole, while probing the user can be warned by the
beeper.
When probe the deep hole, you can’t see the red light, but you can
hear the sound from beeper.
Accuracy: within ±0.005mm.
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