8000系列工业在线溶氧仪是带微处理器的水质在线监测控制仪。该仪表配置不同类型的溶氧电极广泛用于电厂、石油化工、冶金电子、矿业、纸业、生物发酵、医药、食品饮料、环保水处理、水产养殖等各个行业；对水溶液的溶解氧值和温度值进行连续监测和控制.
The 8000 Series Industrial Online Dissolved Oxygen Meter is a water quality online monitoring controller with a microprocessor. The instrument is equipped with different types of dissolved oxygen electrodes widely used in power plants, petrochemicals, metallurgy electronics, mining, paper, bio-fermentation, medicine, food and beverage, environmental water treatment, aquaculture and other industries; dissolved oxygen values of aqueous solutions and Continuous monitoring and control of temperature values
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
● 多种自动标定功能
● 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
● 同界面显示溶解氧、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
● Multiple automatic calibration functions
● 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 dissolved oxygen, temperature, current, etc.
● Password protection can be set to prevent non-workers from mishandling
技术参数：
Technical Parameters:
型 号 Model Number DOG8208 测量范围 Measurement range 0～20.00mg/L 测量原理 Measure principle 覆膜式 Film method 温度范围 Temperature 0～60.0℃ 分 辨 率 Accuracy 0.01mg/L；0.1℃ 基本误差 Precision ±1%F.S 温度补偿 Temp compensation 自动或手动 auto or manual 稳 定 性 Stability 在常压恒温下，每星期漂移＜2% F.S At constant temperature and constant temperature, drift less than 2% F.S per week. 响应时间 Response time 25℃时＜60S；35℃时＜30S（终值 Final value 90%）； 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 144*144*118mm 安装方式 Panel cut-out 盘装，开孔138*138mm或墙挂式 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 interference.
型 号 Model Number
DOG8208
测量范围 Measurement range
0～20.00mg/L
测量原理 Measure principle
覆膜式 Film method
温度范围 Temperature
0～60.0℃
分 辨 率 Accuracy
0.01mg/L；0.1℃
基本误差 Precision
±1%F.S
温度补偿 Temp compensation
自动或手动 auto or manual
稳 定 性 Stability
在常压恒温下，每星期漂移＜2% F.S
At constant temperature and constant temperature, drift less than 2% F.S per week.
响应时间 Response time
25℃时＜60S；35℃时＜30S（终值 Final value 90%）；
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
144*144*118mm
安装方式 Panel cut-out
盘装，开孔138*138mm或墙挂式
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 interference.