Huanyu Digital Pupilometer Optical PD Meter Pupil Distance Meter Measuring Tool (LY-9C) and Huanyu Frame Warmer 158-286℉ Eyeglass Frame Heater 600W Bundle

Huanyu Optical Digital PD Meter LY-9C Frame Warmer Bundle

• 【Simple & accurate】PD Meter is a precision optical instrument used to measure distance between pupils in the process of optometry for spectacles. Compared with those printable rulers, our digital PD meter adopts high precision sensor and advanced intelligent electronic system to display the measurement results digitally, which is intuitive, accurate and easy to operate.
• 【3 measuring modes】The 9G digital pupilometer can measure not only pupillary distance but also pupil height and LD effortlessly. Seamlessly switch functions to meet your specific needs.
• 【30cm-∞ adjustable vision distance】The 9G pupil distance meter is equipped with a adjustable distance knob, suitable for different measured the distance of the distance. Can set 30cm, 40cm, 50cm, 65cm, 1m, 2m, ∞ and other different vision distance gears.
• 【158-286℉adjustable temperature】Our frame heater has an adjustable temperature range of 158-286℉ to meet your heating needs. Besides, the eyeglasses heater uses high-quality heating wire, which can reach the highest temperature in 2 minutes. In addition, it also has a constant temperature control to ensure that the frame will not be damaged during the long heating process.
• 【No damage】To protect the thin frame from damage due to rapid high temperature, the temperature of 6BT optical eyeglass frame warmer will rise gradually after the heater is opened. In addition, during operation, the eyeglass heating is quieter than 40 dB.