pH: -2.000~20.000pH;±0.002pH
溶解氧: 0.00~20.00mg/L; ±0.2mg/L

pH:-2.000~20.000pH；±0.002pH
电导: 0~200mS；±0.5% F.S
溶解氧: 0.00~20.00mg/L；±0.2mg/L

电导率:0.00 to 29.99 μS/cm; 30.0 to 299.9 μS/cm; 
300 to 2999 μS/cm;3.00 to 29.99 mS/cm;
30.0 to 200.0 mS/cm; up to 500.0 mS/cm (actual EC)

酸度:0~14.00pH,精确度：±0.01pH;ORP:±999mV;精确度:±4mV;
余氯范围:（0.01~10.00）ppm;余氯精确度:±10%读数

pH量程: -2.000～19.999 pH, 电导率量程: 0～2000 mS/cm, 
溶解氧量程: 0～40.00 mg/L,离子量程: 0～14.00 pX, 

电导EC： （0~2000）mS/cm，分为六段量程
固体溶解度TDS： （0~100）g/L 

pH量程: -2.000～19.999 pH, 精度: ±0.002 pH
溶解氧量程: 0～40.00 mg/L, 精度: ±0.1 mg/L,

量程:余氯& 总氯:0.00 to 5.00 mg/L,
pH:0.00 to 14.00 pH,温度:5.0 to 75.0°C

量程:0.0 to 14.0 pH ,0.00 to 20.00 mS/cm  
0.00 to 10.00 ppt ,解析度:0.1 pH  

量程:0.0 to 14.0 pH ;解析度:0.1 pH