Automatic priming and maintenance function Carry-over protection by automatic probe cleaning Automatic standby function Automatic calibration Low reagent consumption Long-life and stable electrodes User-friendly software Technical Specifications Parameter: K+ Na+ Cl- Ca2+ PH Assay Method: Ion selective electrode Throughput: 60 tests/ hr Data Storage: More than 2000 samples and Q.C. data Sample Type: Whole blood, serum, plasma or urine Sample Volume: 120 ul Display: Back-illuminated LCD Printer: Built-in thermal printer, 58 mm width paper Interface: RS-232 Environment requirements: Temperature:18-35�� humidity:d85% Power Supply: AC 110V 60HZ / 220V 50HZ Dimensions: 30cm*25cm*24cm Weight: 7.0kg