... :Easy push-button operationRequires minimum operator training.C:Printer, RS232C and barcode scanner portsA full range of ... handling options are available. Unit connects easily to printer, computer, and scanner.D:Automatic calibrationNo fine-tuning ... 2000 mOsm/kg H2OCommunicationsDTE RS-232 serial port, parallel printer port, and optional barcode scannerPerformance at Reference Conditions1LinearityLess ...