仪表特点:
● 新一代传感器和膜头性能更稳定
● 可自动补偿干扰离子的影响
● 全新保护涂层确保膜头使用寿命更长
● 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
● 同界面显示浓度、温度、电流值
● 可设密码保护防止非工作人员误操作
Instrument Features:
● New generation of sensors and membrane heads are more stable
● Can automatically compensate for the effects of interfering ions
● New protective coating ensures longer life of the membrane head
● 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
● Display the concentration, temperature and current value on the same interface
● Password protection can be set to prevent non-workers from mishandling
主要技术参数
The main technical parameters
型 号 Model Number
NO8089
测量范围 Measurement range
0~1000 mg/L[NO3-N];0~1000 mg/L[CL-]
测量原理 Measuring method
离子电极法 Ion electrode
温度范围 Temperature
0~60.0℃
分 辨 率 Accuracy
0.01mg/L;0.1℃
基本误差 Precision
测量值的 5%+0.2mg/L1;±0.3℃;
Measured value 5%+0.2mg/L1;±0.3℃;
温度补偿 Temp compensation
自动或手动 Auto or manual
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 6A 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 field.