A.s.f. Universal

• The pd ruler can help you when you want to buy glasses online
• Put the notch over your nose, as close to your eyes as you can, then find the middle if your pupils in a mirror, read the line closest to the middle of the pupils.
• Length (mm):150
• Note that this does not come with any instructions, so if you don't know how to take a PD measurement, you will need to look that up on the internet.

Additional Information:

• Item Code: ASF-IPD12S
• Production Capacity: 10000
• Delivery Time: 1 day
• Packaging Details: carry bag

• Specification:

  Color: White

  Range of measurement: 45~82mm (total) in 0.5mm steps, 22.5~41mm (each) in 0.5 steps

  Step: 0.5mm

  Time for Automatic Shut-off:

  About 1 Minute after Stopping Operation, or Turn It off Manually

  Power Supply: AA batteries (Not Include)

  Dimensions: 220x160x55mm

  Net Weight: 0.7kg

  Package Includes: 1 X Digital PD Meter

  
  
    ACCURACY MEASURE PUPILLARY
  
  
• PD Meter is a precision optical instrument used to measure distance between pupils in the process of optometry for spectacles,It features direct point-sampling and high accuracy of orientation.
  
  
•   ENERGY- SAVING DESIGN The design of LED lamp-house and low-power consumption ensure the prolonged service life of batteries. And the Brightness of LED Is Adjustable. +2.0d Compensation for The Degree of Eyesight Is Available.
  
  
•   TURN OFF AUTOMATICALLY Turns off after 1 minute or you can press a button and shut it off. It stays on and drains the batteries. Store device flat side down, it will turn off automatically.
  
  
•   LONG READING TIME It does retain the readings on screen while it is on and even in memory when it is switched back on as long as the slide controls have not been moved.The didital PD Meter does have a reading which lasts approximately 10 minutes
•   AC/DC Power Supply 2 AA batteries or chargeable battery dual use

Additional Information:

• Item Code: ASF-M11PD
• Production Capacity: 100
• Delivery Time: 2 days
• Packaging Details: export packing

Search ResultsFeatured snippet from the webPositive Displacement (PD) Flow meters are volumetric flow measurement instruments that measure flow by passing a precise volume of fluid with each revolution. ... The result is that the meter can measure intermittent flows, very low flow rates, and liquids of almost any viscosity

By capitalizing on our advanced methodologies, we bring forth functionally advanced range of Digital PD Meter that are technically updated and ensures easy application. Offered product range is valued for high shear strength and are used in light and heavy duty industries. Digital PD Meter is easy to maintain and comes with standardized solutions.

Additional Information:

• Production Capacity: 20

1.The function of digital PD ruler is close to the PD that we need when we wear the glasses .

2.HE-710 digital PD ruler also can measure the PD of the left & right separately besides combining them.

3.Use conveniently ,when set in level, it will turn off automatically . Turn on automatically when use it. It  can  protect  the battery using life.

5.Power requirment  3A,12V battery 

   Package size 215*122*44mm

   Net weight  0.2kg

Supply AbilitySupply Ability:100 Piece/Pieces per Month

 

Packaging & DeliveryPackaging Detailsindividual box wrap ,export cartonPortDelhi India

Additional Information:

• Item Code: ASF-IPD71
• Production Capacity: 100
• Delivery Time: 1 DAY
• Packaging Details: Export packiging