Punto d'origine
Shanghai, China
Marca
ZHIWAN handheld auto refractometer
Numero del Modello
HAR-880 handheld auto refractometer
SPHERE RANGE
+8.0 to -6.0 Diopters
LOW-BATTERY WARNING
Indicates 15 minutes usage remains
DETECTION MODES
Adult Mode, enfant mode
Product name
HAR-880 handheld auto refractometer
OUTPUT OF THE LASER RADIATION
150~200μW
Certificate
CE vision screener
CYLINDER RANGE
+3 Diopters handheld auto refractometer
SPHERE TOLERENCE
± 0.5 Diopters
brand name
ZHIWAN handheld auto refractometer