Digital Caliper Digital Pd Meters LCD Display Optical Pd Meter Digital Pupilometer Pupillary Distance Pd/vd Meter PDs

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0-300mm/12 Inch Digital Caliper Vernier Caliper Stainless Steel with Long Jaw 150mm/6 Inch Measuring Tool Accuracy:0.01mm Unit mm/in  other,Digital Caliper 4100-0006 24"/600mm Heavy Duty Long Vernier Caliper  992529 S766AZ Electronic 6" Caliper and 1" Micrometer Set  599-579-5 Dial Caliper, Stainless Steel, Black Face, 0-6" Range, +/-0.001" Accuracy, 0.001" Resolution, Meets DIN 862 Specifications  other,Digital Calipers Premium Dial Caliper 24"/0.001" Precision Double Shock Proof Solid Hardened Stainless Steel  other,Digital Caliper 4-5''/100-125 mm 7 Keys Electronic Digital Outside Micrometers, 0.00005'' Or 0.001 mm Resolution, Ac21-5022  other,Digital Caliper 80.365.30.FHN Universal FH 3D Sensor with Integrated Taper BT 30, Neutral Model  other,Digital Caliper

• 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.
• 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.
• LED LAMP-HOUSE AND LOW POWER-CONSUMPTION DESIGN: The Design of LED Lamp-House and Low Power-Consumption Makes the Battery Life Prolonged. The Brightness of LED Is Adjustable. 2.0d Compensation for The Degree of Eyesight Is Available.
• 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
• CAUTIONS: If a pupilometer is not used, the center of the lens may be in the wrong spot, and will cause the person to be unable to see; glasses may be fit poorly and cause physical discomfort, eye strain and fatigue, and headaches.

other,Digital Caliper

other,Digital Caliper

0-300mm/12 Inch Digital Caliper Vernier Caliper Stainless Steel with Long Jaw 150mm/6 Inch Measuring Tool Accuracy:0.01mm Unit mm/in 4100-0006 24"/600mm Heavy Duty Long Vernier Caliper 992529 S766AZ Electronic 6" Caliper and 1" Micrometer Set 599-579-5 Dial Caliper, Stainless Steel, Black Face, 0-6" Range, +/-0.001" Accuracy, 0.001" Resolution, Meets DIN 862 Specifications Premium Dial Caliper 24"/0.001" Precision Double Shock Proof Solid Hardened Stainless Steel 4-5''/100-125 mm 7 Keys Electronic Digital Outside Micrometers, 0.00005'' Or 0.001 mm Resolution, Ac21-5022 80.365.30.FHN Universal FH 3D Sensor with Integrated Taper BT 30, Neutral Model 500-193 Absolute Digital Caliper, Stainless Steel, Battery Powered, Inch/Metric, 0-12" Range, -0.0015" Accuracy, 0.0005" Resolution 798B-12/300 Digital Caliper, Stainless Steel, Battery Powered, Inch/Metric, 0-12" Range, +/-0.001" Accuracy, 0.0005" Resolution, Meets DIN 862 Specifications 500-753-10 Digital Calipers, Battery Powered, Inch/Metric, for Inside, Outside, Depth and Step Measurements, Stainless Steel, 0"/0mm-8"/200mm Range, +/-0.001"/0.01mm Accuracy, 0.0005"/0.01mm Resolution, Meets IP67 Specifications 54-554-622 Internal Electronic Caliper Gage, 0.200-1" Measuring Range, 0.005" Resolution, 0.0008" Accuracy Long Range Digital Electronic Calipers (Various Sizes Range: 0-20"/ 0-500mm to 0-80"/ 0-2000mm) 75.116550 Dial Caliper, Stainless Steel, Black Face, 0-6" Range, +/-0.001" Accuracy, 0.1" Resolution, Meets DIN 862 Specifications Fingertip Fingertip Pulse Tester Digital Display Heath Measurement Font Color Random, Suitable for Health Protect, Home Family Essential

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