LY-9D PD meter
Product Name:
LY-9D PD meterModel No.:
LY-9D
Product Abstract:
Adjust vision distance by pressing. Metal reading gossamer.
- Product Description
CE
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 Parameter Effective range of measurement Binocular pupillary distance45-80mm Left or right pupillary distance22.5-40mm 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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