技术指标(Technical Specifications)
| 
				 RM-220  | 
		|
| 
				 测量范围(Range)  | 
			
				 0~18.2MΩ·cm  | 
		
| 
				 准 确 度(Accuracy)  | 
			
				 2.0%(FS)  | 
		
| 
				 温度补偿(Temp.Comp.)  | 
			
				 The 25 ℃basis, automatic temperature compensation  | 
		
| 
				 介质温度(Oper. Temp.)  | 
			
				 0~50℃  | 
		
| 
				 配套电极(Sensor)  | 
			
				 0.05cm-1  | 
		
| 
				 显示方式(Display)  | 
			
				 2½ Bit LCD  | 
		
| 
				 电流输出(Current output)  | 
			
				 Not isolated 4~20mA  | 
		
| 
				 控制输出(Control output)  | 
			
				 — — —  | 
		
| 
				 供电电源(Power)  | 
			
				 AC 110/220V±10% 50/60Hz  | 
		
| 
				 工作条件(Working environment)  | 
			
				 Ambient temperature:0~50℃ Relative humidity:≤85%  | 
		
| 
				 外形尺寸(Dimensions)  | 
			
				 48×96×100mm(H×W×D)  | 
		
| 
				 开孔尺寸(Hole size)  | 
			
				 45×92mm(H×W)  | 
		
| 
				 安装方式(Installation mode)  | 
			
				 Panel mounted(embedded)  |