-40%

BST-D890 Digital PD Meter Optical pd Meter Pupilometer Target Dist PD/VD

$ 46.46

Availability: 50 in stock
  • Battery Quantity: 2pcs
  • All returns accepted: Returns Accepted
  • Return shipping will be paid by: Buyer
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Weight: 0.66kg
  • Battery Voltage: DC 3V
  • Brand: BST
  • Size: 221mm(L) x 164mm(W) x 63mm(H)
  • Condition: New
  • Restocking Fee: No
  • Item must be returned within: 30 Days
  • MPN: Does Not Apply
  • Model: D890
  • SKU: BST-C890
  • Battery Specification: AAA

    Description

    BST-D890 Digital Pupilometer
    Product Specifications
    :
    Uses 2 AA batteries
    Measurement ranges:
    Binocular pupillary distance: 46 - 82 mm
    Left or right pupillary distance: 23 - 41 mm
    Indication error: <= .5mm
    Rounding error: <= .5mm
    Distance of target: infinity only, others by conversion
    How to use pupilometer BST-D890
    Flip the unit and machine will turn on automatically.
    By default it displays PD at infinite distance for far vision on top middle single window.
    Lower left and right windows display Right and Left PD correspondingly. For example, top window shows 70, lower windows show 35 each.
    If you press square button once, the lower left window shows 30 and top windows shows 64.2.
    It represents PD 64.2 at 30cm for near vision measurement.
    If you continue pressing square button the lower left window displays 40, 50, 100, and 200.
    The top window will display PD values for 40cm, 50cm, 100cm, and 200cm respectively.
    You may contact us through ebay, by phone at 973-227-9227, or via skype at marcati.optical