【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.
【30cm-∞ adjustable vision distance】The 9C 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.
【Multifunctional】Our PD measurement tool features auto power-off within about 1 minute after the operation and memory function ( you can review the unrecorded data), enable to save the power and not to lose the data.
【Enhanced security】 Huanyu frame warmer offers secondary protection to ensure enhanced safety. With its high-quality heating wire technology, this eyeglasses heater provides a flame-free heat source. To maximize safety, avoid placing it near open flames during use.
【User-Friendly Features】 Our non-metal glasses frame adjustment tools is equipped with a windproof cover, ensuring quicker heating and preventing dust entry. The optical frame warmer is also equipped with a heat-collecting hood that allows for thermal concentration. The air outlet, covered with wool felt material, effectively safeguards the temples and frames.
Details: Huanyu Digital PD Meter LY-9C and Frame Warmer Bundle
