LY-9F PD & PH Meter
$
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Detailed Product Description:
■ It employs precise optical structure, the line of light is very clear and precise measurement.The measurement results are displayed digitally,and the left eye and right eye measuring values are displayed separately.
Specifications: | |
Effective range of measurement: |
binocular pupillary distance: 45-80mm left or right pupillary distance: 22.5-40mm |
Indication error: | ≤0.5mm |
Distance of targent: | 30cm ~∞ |
Electric Voltage: | DC 4.5V (3pcs 5# AA battery) |
Power: | 10W |
Weight: | 0.6kg |
Volume: | 21.5(L) x 15(w) x 50(H)cm |