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

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

$ 46.46

Availability: 50 in stock

Restocking Fee: No

Return shipping will be paid by: Buyer

SKU: BST-C890

MPN: Does Not Apply

Condition: New

Battery Voltage: DC 3V

Item must be returned within: 30 Days

Model: D890

All returns accepted: Returns Accepted

Size: 221mm(L) x 164mm(W) x 63mm(H)

Refund will be given as: Money back or replacement (buyer's choice)

Battery Quantity: 2pcs

Battery Specification: AAA

Brand: BST

Weight: 0.66kg

Description
Size Guide

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