LY-9B PD Meter

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LY-9B PD Meter

Product Name:
LY-9B PD Meter
Model No.:
LY-9B
Minimum Order:
1

Product Abstract:

Adjust vision distance by pressing. Digital reading gossamer.

Product Description

Differences between LY Series PD meter
Model#	Product name	Method of vision distance adjustment	Reading gossamer
LY-9AT	PD Meter	By Handle	Metal
LY-9A	PD Meter	By pressing	Metal
LY-9B	PD Meter	By pressing	Digital
LY-9C	PD Meter	By Handle	Metal
LY-9D	PD Meter	By pressing	Metal

Product Abstract:

The PD Meter is a digital precision optical instrument used to measure distance between human pupils in the process of optometry for fitting spectacles.

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.

■ Simple and rapid measuring operation, and free operation of the direct PD adjustment lever are possible.Combining with the adjustable viewing distance selecting lever for measuring all kind of the viewing distances, the PD measurement is simple and precise.

■ When the measuring operation is finished, the auto poweroff and memory function,enable to save the power and not to lose the data.

■ It can also be used in monocular the left eye and right eye separately.

Specification:
Effective range of measurement:	binocular pupillary distance:45-80mm
Effective range of measurement:	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)x15(w)x50(H)cm

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