工业在线电阻率仪 Industrial Online Resistivity Meter DDG83

8000系列工业在线电阻率仪是带微处理器的水质在线监测控制仪。该仪器广泛应用于发电厂，石油化工，冶金电子，矿业，造纸，半导体，医药，食品和饮料; 连续监测和控制水溶液的电阻率值和温度值。The 8000 Series Industrial Online Resistivity Meter is a water quality online monitoring controller with a microprocessor. The instrument is widely used in power plants, petrochemicals, metallurgy electronics, mining, paper, semiconductor, medicine, food and beverage; continuous monitoring and control of the resistivity value and temperature value of the aqueous solution.

仪表特点：

● LCD大屏液晶显示

● 中/英文智能菜单操作

● 数据记录/曲线显示/上传功能

● 手动或自动温度补偿

● 三组继电器控制开关

● 高限、低限、迟滞量控制

● 4-20mA/RS485多种连接方式

● 同一界面显示电导率、温度、电流等

● 可设密码保护防止非工作人员误操作

Instrument Features:

● LCD large screen LCD display

● Chinese/English smart menu operation

● Data record / curve display / upload function

● Manual or automatic temperature compensation

● Three sets of relay control switches

● High limit, low limit, hysteresis control

● 4-20mA/RS485 multiple connection methods

● The same interface shows conductivity, temperature, current, etc.

● Password protection can be set to prevent non-workers from mishandling

技术参数：

Technical Parameters:

型号 Model Number	DDG8303
测量范围 Measurement range	0～18.25 MΩ/cm
测量原理 Measure principle	2电极式 Two polar
温度范围 Temperature	0～150.0℃
分辨率 Accuracy	0.01KΩ/cm；0.01MΩ/cm
基本误差 Precision	±0.5%F.S；±0.3℃
温度补偿 Temp compensation	自动或手动 auto or manual
稳定性 Stability	±0.2%F.S/24h
电流输出 Isolated current	2路4-20mA Two output 4-20mA
通讯输出 Communication	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	三组3A 240VAC/3A 28VDC或120VAC Three 3A 240VAC/3A 28VDC or 120VAC
供电电源 Power supply	85～265VAC或9～36VDC，功率 power：≤3W
外形尺寸 Dimensions	144144118mm
安装方式 Panel cut-out	盘装，开孔138*138mm/墙挂式 Dimension of the recess:138x138mm or Wall-hung
防护等级 Protection grade	IP65
工作环境 Working conditions	环境温度：-10～60℃；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℃; relative humidity <90%; no strong magnetic field interference except the geomagnetic field.