仪表型号                                                    BEC-520    BEC-530    BEC-531    BEC-540                
电导率测量范围0~200mS/cm,  自动6档        ●              ●              ●              ●                
电导率测量精度±0.5%  F.S                          ●              ●              ●              ●                
TDS测量范围      0~Max.200ppt                                        ●                                ●                
TDS测量精度      ±1%  F.S                                                ●                                ●                
盐度测量范围    0.00~5.00%  (50ppt)                                              ●              ●                
盐度测量精度    ±0.05%  (0.5ppt)                                                  ●              ●                
温度测量范围    0~100℃                                ●              ●              ●              ●                
温度测量精度    ±1℃                                    ●              ●              ●              ●                
TDS转换系数  0.01~1.00(默认值0.67)                          ●                                ●                
仪器校准点        每个量程1点                        ●              ●              ●              ●                
温度补偿范围    0~50℃,  自动或手动          ●              ●              ●              ●                
温度补偿系数    0~3.9%/℃                            ●              ●              ●              ●                
可选电极常数    K=0.1,  1,  10                      ●              ●              ●              ●                
储存数据            64组                                      ●              ●              ●              ●                
通讯输出            USB标准                                ●              ●              ●              ●                
显示器  4.3英寸LCD,  具有操作模式图标    ●              ●              ●              ●                
电源类型9V电池1节,  连续使用约150小时  ●              ●              ●              ●