Optical Trial Lens Frame Adjustable External pressure monitor

External pressure monitor

without any adjustment

Home Usage

DIAInflation: automatic inflation by a force pumpDeflation: automatic multistep deflationPR:Measure range: 40bpm～240bpmResolution:1bpmSafety:Power supply: DC 3V (2×1

filter state

Optical Trial Lens Frame Adjustable External pressure monitorSummary: It is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises. Detailed Product Description: 1. Range of PD adjustments: PD of both eyes: 50~76mm; Left or right PD: 24~40mm,Minimum Calibration Value: 1mm. 2. Axial calibration on each disc: Left disc: 120~0~135,Right disc: 45~180~60,Axial calibration increases counter clockwise along the lens frame axis, and the calibration