urine analyzer SUN-500B Technical Data:Parameters: pH, Nitrite, Ascorbic Acid, Protein, Specific,Gravity, Blood, Glucose, ... oort(RS232),parallel port(For external printer),PS/2(For barcode reader,optional) Work condition:Environmental Temperature:15-30°C,RH:20 ... for sensitivity of stripsLong life and high stability light sourceBarcode reader optional & RS232 port to computer URIT UQ-10 & UQ-11 ...