Model AC9900 Measuring item K,Na,Cl,Ca,pH,TCO2 Calculating item AG, nCa, TCa Measuring time Measuring time: 55s Time for sampling, measuring, washing and printing: 90s Sample size 160ul Data storage 10000 Communication interface 232 interface Automatic sampling 25-bit sampling system for option (20 samples, 2 QC, 1 emergency, 1 washing) Air bubble test Yes Alarm for waste liquid overflow Yes Alarm for standard liquid levelC Yes Standard liquid level indicator lamp Yes Sample liquid level indicator lamp Yes Power supply AC220V±22V 50Hz 50W Size 408mmX390mmX230mm Weight 7Kg（without sampling system）1Kg (sampling system) Measuring method ISE. TCO2 adopts pressure-measuring method. Working condition Temperature: 10℃～32℃ Relative humidity ≤85% Measuring item Measuring scope Resolving power Precision （K+） 0.50—15.00 0.01 CV≤1.0% (Na+) 30.0—200.0 0.1 CV≤1.0% (Cl-) 30.0—200.0 0.1 CV≤1.0% (Ca2+) 0.10—5.00 0.01 CV≤1.0% (H+) 4.00—9.00 0.01 CV≤1.0% (TCO2) 4.0—70.0 0.1 CV≤3.0%
