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PD meter
PD Meter Model HX-400

Specification:
1.Effective measurement range:
Binocular pupillary distance: 45¡«82 mm
Left or right pupillary distance: 22.5¡«41 mm
2.Step: ¡Ş, 2m, 1m, 65cm, 50cm, 40cm,35cm,30cm
3.Indication error£º¡Ü0.5mm
4. Asymmetrical error: ¡Ü0.5mm
5.Rounding error£º¡Ü0.5mm
6.Distance of target£º30 cm ¡«¡Ş
7.Power source£º5# AA battery/2*1.5V
8.Size and weight: 221mm(L)¡Á166mm(W)¡Á63mm(H) 0.64kg

 
NH-L8 Digital PD Meter

Specification:
Range of measurement:
48 to 77 mm(Both eyes)
24 to 38.5mm(Each eyes)
Graduations:0.5mm
Range of focusing point:30 to infinity
Powe supply:4.5V DC(Lr.7 batteries X3)

   
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