工作原理：
DR900 余氯等多参数便携式比色计采用分光光度法，利用物质对某种波长的光具有选择性吸收的特性，以鉴别物质或测定其含量。
应用行业：
DR900 余氯等多参数便携式比色计适用于市政污水、环境监测、水处理、工业过程监测、自来水、饮用水、锅炉水、冷却水、教育、农业等领域。
仪器特点：
● DR900 余氯等多参数便携式比色计有浓度、%透光率，吸光度三种读数模式。
● 预置了90条测量程序满足余氯、COD、TOC、氨氮等多参数测量，用户可自建10条测量程序。
● 可设置常用测量程序收藏菜单，便于快速选中您收藏的常用测量程序。
● 具备空白调节和标准调节功能，可校正不同批次试剂之间的差异。
● 数据存储量高达500条，符合GLP标准，可利用USB接口传输数据。
● 屏幕具有背光显示功能，便于用户在阴暗处或阳光直射下操作仪器。
● 可选中文操作界面，指示图标可引导用户完成程序或菜单设置。
● 符合人体工学设计，便于操作；IP67防护等级，防跌落及抗震性能佳。
光源 LED
检测器 硅光二极管
波长 420,520,560,610nm
波长精度 ±1nm
光度测量范围 0 - 2 Abs
读数模式 浓度、吸光度、 %透光率
预置测量程序 90条
用户自建曲线功能 有，多至10条
波长选择 自动选择
数据储存 500条（ 符合GLP， 带结果、 时间、 日期、 样品ID、 用户ID）
界面语言 22种， 含中文
操作环境 10 ~ 40℃ ， 最大80%相对湿度（ 无冷 凝）
储藏环境 -30 ~ 60℃ ， 最大80%相对湿度（ 无 冷凝）
防护等级 IP67
数据接口 Mini USB
显示 LCD背光显示
样品瓶种类 25mm圆形， 16mm圆形（ 需适配 器）
电池种类 AA电池， 4节
电池寿命 常规6个月
尺寸 231 x 96 x 48 mm
重量 0.6kg
订购指南
货号 描述
2722000 软边便携箱
4942500 硬边便携箱
4943000 CEL便携箱
2763900 DR/验证用吸光度标准（ 1套4个）
2635300 SpecCheck二级标准， 凝胶， DPD氯， 低 量程
2980500 SpecCheck二级标准， 凝胶， DPD氯， 中 量程
2893300 SpecCheck二级标准， 凝胶， DPD氯， 高 量程
2712500 SpecCheck二级标准， 凝胶， 氟， 0-2.00 mg/L
2708000 SpecCheck二级标准， 凝胶， 臭氧， 中量 程， 0-0.75 mg/L
2507500 SpecCheck二级标准， 凝胶， 一氯胺和游 离氨
来源:哈希水质网站公开信息
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Hach-Lab Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Hach-Lab.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Hach-Lab for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Hach-Lab Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Hach-Lab.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Hach-Lab for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Hach-Lab Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Hach-Lab.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Hach-Lab for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Hach-Lab Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Hach-Lab.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Hach-Lab for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
