PD Meter (PD-400)

PD Meter

Model: PD-400 

Range of measurement：Binocular pupillary distance: 45～82 mm

Left or right pupillary distance: 22.5～41 mm

Indication error：        ≤0.5 mm

Rounding error：        ≤0.5 mm

Distance of target：     30 cm～∞

Power source：         Voltage：DC 3V            

Specification：5# AA  battery

                      Quantity：2 pieces

Time for automatic shut-off：              

About 1 minute after stopping operation, or turn it off manually.

Size：                233mm(L)×165mm(W)×70mm(H)