Pro Grade Digital PD PH LD Meter With Memory Function LCD Display For Optical Pupilometer 46 To 82mm Range Pupil Distance And Height Measuring Tool For Eye Exams CE Certified

Digital PD/PH/LD Meter with memory for eye exams 46-82mm
✔️ 9G digital pupilometer with 3 measuring modes and 30cm-∞ distance

This digital PD/PH/LD meter is a precision optical instrument used to measure pupillary distance, pupil height, and lens distance (LD) for eyewear fitting. It replaces simple rulers with a digital LCD display for quick, accurate readings in eye exams and optometry clinics.

✅ 3 measurement modes for PD, PH, and LD readings
✅ 46-82 mm pupillary distance range for wide patient coverage
✅ Memory function recalls last value after shutdown
✅ Adjustable vision distance from 30 cm to ∞ for accuracy
✅ Auto-shutdown after 2 minutes to save power
✅ White color design with LCD display and CE Certified

💡 What is a sealed ball bearing used for in precision optical measuring tools?

This handy component helps ensure smooth, accurate motion in measurement devices used in eye care. - Smooth, low-friction operation for precise readings - Increased durability in busy clinics - Dust and moisture protection for longer life ✝️