Lugar del origen
Shanghai, China
Marca
ZHIWAN handhold auto refractometer
Número de Modelo
HAR-800 handhold auto refractometer
LOW-BATTERY WARNING
Indicates 15 minutes usage remains
OUTPUT OF THE LASER RADIATION
150~200μW
DETECTION MODES
Adult Mode, enfant mode
SPHERE RANGE
+8.0 to -6.0 Diopters
SPHERE TOLERENCE
± 0.5 Diopters
CYLINDER RANGE
+3 Diopters
Product name
HAR-800 handhold auto refractometer
brand name
ZHIWAN handhold auto refractometer