Wh0904 China Optometry Near Vision Tester

Wh0904 China Optometry Near Vision Tester, Find details about China Near Vision Tester, Optical Instrument from Wh0904 China Optometry Near Vision Tester

Model NO.
WH0904
HS Code
90185000
Model NO.
WH0904
HS Code
90185000
Near vision tester

LED Near vision tester (WH0904)

Double side, another one side you may select Amsler grid, or other picture as per you need.
PACKING LIST.

One near vision tester.

One lithium battery

One USB cable

One power adapter (charger)

One stand

One pointer



Power supply

Lithium battery: 3.7V

Battery charger(power adapter) input: AC 100-240V, 50-60Hz, OUTPUT: Dc 5v, 1.2A

CHARGING TIME: 5 hours

The device can be powered by the computer with the USB cable



Near vision tester measurement: \

1. Put the vpal on the stand, adjust the gradient,

2. TURN ON THE DEVICE

3. USE THE CORD TO DETERMINE THE TEST DISTANCE OF 40CM FROM THE EYE.



CONCERNS:

1. WHEN NOT IN USE, PLEASE POWER OFF THE DEVICE.

2. Keep the surface of the Vpal clean

3. USE A SOFT AND DRY CLOTH FOR CLEANING.

TECHNICAL SPECIFICATIONS

1. TEST DISTANCE: 40CM

2. LENGTH OF THE CORD: 40CM

3. DIMENSIONS: 185*115*11MM
Wh0904 China Optometry Near Vision Tester