Digital PD Meter

Detailed Product Description:

• Features a precise optical line of sight allowing for the most accurate readings.
• Measurement results displayed digitally, left and right eye measurement values displayed separately.
• Measurements are simple and quick to perform, and free operation of the direct PD adjustment lever is possible.
• Viewing distances can also be adjusted to get measurements from different working angles.
• When measurements are complete, auto power-off and memory
  functions work by saving the data of the last measurements and conserving battery power.
• Can also be used to measure the left eye or right eye separately.

Parameter:

• Effective range of measurement:  binocular pupillary distance: 45-80mm，
  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

Specifications:

• Effective range of measurement:  binocular pupillary distance:45-80mm，
  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