Hot Sale Ophthalmic PD Meter LY-32A
Pd Meter Is a Digital Precision Optical Instrument Used to Measure Distance Between Human Pupils in The Process of Optometry.
PD Meter
Features
Features:
1.It employs precise optical structure, the line of light is very clear andprecise measurement.The measurement results are displayed digitally,and the left eye and right eye measuring values are displayed separately.
2.Simple and rapid measuring operation, and free operation of the direct PD adjustment lever are possible.
3.When the measuring operation is finished, the auto poweroff and memory function,enable to save the power and not to lose the data.
Range of measurement :46~82mm(Both eyes)
Indication error ≤0.5mm
Range of focusing point 30cm to ∞
Voltage 2 AA batteries
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