DRM Digital Refractometer with PC

Features:. Large measure range(0-95%)(NEW). High precision.. Automatic Temperature Compensation ( ATC ). (5ºC-40 ºC). Close ATC function. (NEW). Tolerance limit alarm function. (NEW). Stainless steel sample plate. With a PC port. (NEW). All series of zero calibration function with distilled water. (NEW). Operation humidity: Lower than 90%.. Operation sea level: Lower than 2000m.. Operation temperature: 0 ºC ( 32 ºF ) - 40 ºC ( 104 ºF ).. Storage temperature: -10 ºC ( 14 ºF ) - 50 ºC ( 122 ºF ).. Operating time: More than 5000 times per battery.. Power supply: 9V Alkaline Battery. Centigrade & Fahrenheit measurements. Automatic shut off after 3 minutes. Instantaneous reading. Battery level display. Measure any solution's refractive index under different temperatures. (NEW). Can be infused new scales needed through intel net by download from us. (NEW)