الوصف

PDB**8 Digital PD Meter The PDB**8 Digital PD Meter provides a digital function for the optometrist to measure the distance of people's pupils. Product Description: 1. The instrument adopts electro-optical system. Raster correction and clear path of light, accurate measurement of computer chips control, digital data independent display. 2. simple operation, fast and accurate measurement. Suitable for different patients. 3. Energy saving, when having been set aside for 2 minutes, the instrument would automatic shutdown. 4. Shutter function supplies a comfortable medium between doctors and patients. Specifications: Data range: Binocular PD:****4mm Monocular PD:*2.***2mm Indication error: ≤ 0.5mm Distance range: *0cm ~ ∞ Voltage: DC 6V (4 pieces of AA batteries) Net weight: **0g Inner box size: **5mm (L) x**0mm (w) x*4mm (H)