型 号 Model Number | DDG8202 | DDG8302 |
测量范围 Measurement range | 电导率 Conductivity : 0 ~ 30000|us/cm ; TDS : 0~15000mg/L | |
测量原理 Measure principle | 2电极式Two polar | |
温度范围Temperature | 0~150.0°C | |
分辨率Accuracy | O.Olps/cm ; O.Olmg/L ; 0.1°C | 0.001|JS/cm ; O.OOlmg/L ; 0.1°C |
基本误差Precision | ±0.5%F.S ; ±0.3°C | |
温度补償 Temp compensation | 自动或手动 Auto manual | |
稳定性Stability | ±0.2%F.S/24h | |
电流输出 Isolated current | 1路4-20mA,可选配2路 One output, Optional second way | 2 路 4-20mA Two output 4-20mA |
通讯输出 Communication | 选配 RS485 MODBUS RTU Optional RS485 MODBUS RTU | RS485 MODBUS RTU |
其它功能 Other Function | — | 数据记录/曲线显示/数据上传 Data record/graphic display/data upload |
继电器 Alarm relay | 二组 5A 240VAC/5A 28VDC 或 120VAC Two 5A 240VAC/5A 28VDC 120VAC | 三组 5A 240VAC/5A 28VDC 或 120VAC Three 5A 240VAC/5A 28VDC 120VAC |
供电电源Power supply | 85 ~ 265VAC 9 - 36VDC ,功率 power: <3W | |
夕卜形尺寸Dimensions | 98*98*130mm | 144*144*118mm |
安装方式Installation | 盘装，开孔93*93mm Dimension of the recess:93x93mm | 盘装,开孔138*138mm或墙挂式 Dimension of the recess:138xl38mm Wall-hung |
防护等级 Protection grade | IP65 | |
工作环境 Working conditions | 环境温度:-10~60°C;相对湿度：不大于90% ;除地球磁场外周围无强磁场干扰。 Ambient temperature:-10~60°C; relative humidity <90%; no strong magnetic field interference except the geomagnetic field . | |
