| 
             型号  | 
            
             PHS-3C  | 
            
             PHS-2C  | 
            
             PHS-2F  | 
            
             PHS-25  | 
        |
| 
             Z大允许误差级别  | 
            
             0.01  | 
            
             0.02  | 
            
             0.02  | 
            
             0.05  | 
        |
| 
             测量参数  | 
            
             pH、E(mV)  | 
        ||||
| 
             测量范围  | 
            
             pH  | 
            
             (0.00~14.00)pH  | 
        |||
| 
             E(mV)  | 
            
             (0.0~±2000.0)mV  | 
        ||||
| 
             分辨率  | 
            
             pH  | 
            
             0.01pH  | 
        |||
| 
             E(mV)  | 
            
             0.1mV  | 
        ||||
| 
             Z大允许误差  | 
            
             pH  | 
            
             ±0.01pH  | 
            
             ±0.02pH  | 
            
             ±0.02pH  | 
            
             ±0.05pH  | 
        
| 
             E(mV)  | 
            
             ±0.1%FS  | 
        ||||
| 
             温度补偿范围  | 
            
             (0.0~99.9)℃  | 
        ||||
| 
             重复性  | 
            
             0.01pH  | 
            
             0.01pH  | 
            
             0.01pH  | 
            
             0.05pH  | 
        |
| 
             稳定性  | 
            
             ±0.01pH/24h  | 
            
             ±0.01pH/24h  | 
            
             ±0.02pH/3h  | 
            
             ±0.05pH/24h  | 
        |
| 
             电源  | 
            
             电源适配器(输入AC:220 V,50/60Hz;输出DC:12V,50mA)  | 
        ||||
| 
             尺寸;重量  | 
            
             288×192×60(mm);400(g)  | 
        ||||