游离氯测定操作指南-哈希.pdf

Apparatus Instruction Effective Date: 2010.08.02 Electronic copy - not controlled if printed Page 1 of 10 Edition: Internal number: Document number: Process: Quality Control 1.0 - 126601 Operation, Calibration and Maintenance of Hach POCKET COLORIMETER™ II Hach 袖珍式比色计™袖珍式比色计™ Ⅱ的操作，校验和维护Ⅱ的操作，校验和维护 Scope 范围范围 This document provides instructions for operation and maintenance of Hach Pocket Colorimeter II Chlorine Analysis System used in by DFP Tianjin to measure free chlorine content of water. 此文件规定了天津灌装厂化学质量控制实验室中测定水中的游离氯的 Hach 袖珍式 比色计™ Ⅱ分析系统的操作和维护。

Applies to 适用于适用于 This instruction applies to all persons who operate and maintain the Hach Pocket Colorimeter II Chlorine Analysis System. 此规程应用于所有在天津灌装厂化学质量控制实验室中操作和维护 Hach 袖珍式比 色计™ Ⅱ分析系统的所有人员 Table of Contents 目录目录 Scope 范围 1 Applies to 适用于 1 Table of Contents 目录 1 1 Safety 安全 . 2 2 Key Functions 按键功能. 2 3 Operation 操作 3 3.1 Startup 开机. 3 3.2 Adjustment and Calibration 调整和校验. 3 3.3 Sample Analysis 样品分析. 3 3.3.1 Materials 材料. 3 3.3.2 Procedure 步骤 . 4 3.4 Shutdown 关机 . 5 4 Maintenance 维护 5 5 Logbook 记录薄 . 5 6 References 参考文件 . 6 Appendix 1: Test Record Sheet for Free Chlorine 附件 1：游离氯检验记录表7 Appendix 2: Rationale for Not Performing Adjustment and Calibration 附 件 2：不进行调整和校验的原理 8 Change Log 变更记录. 9 Signatures 签名.10 Operation, Calibration and Maintenance of Hach POCKET COLORIMETER™ II Hach 袖珍式比色计™袖珍式比色计™ Ⅱ的操作，校验和维护Ⅱ的操作，校验和维护 Page 2 of 10 Edition: Internal number: Document number: Process: Quality Control 1.0 - 126601 1 Safety 安全安全 Wear gloves and safety glasses when testing water for free chlorine content. Avoid direct skin contact with DPD Free Chlorine Powder Pillow contents. In the event of contact, flush skin thoroughly with water. 在测定水的游离氯含量时要佩戴手套和安全眼睛。

避免 DPD 游离氯药粉与皮肤直接 接触如果接触，用水彻底冲洗皮肤 Dispose of sample waste containing DPD Free Chlorine Powder Pillow chemical as described in step 11 below. 包含 DPD 游离氯药粉的样品废液按下面步骤 11 进行处理 2 Key Functions 按键功能按键功能 Key 键盘键盘 Description 描述描述 Function 功能功能 POWER On/Off/Backlight 打开/关闭背景光 ? Press to turn the instrument on or off. 点击可转换仪器开或关 ? To turn on the backlight, turn on the instrument, then press and hold the power key until the backlight turns on. Press and hold again to turn off the backlight. This key functions the same in all instrument modes and ranges. 打开背景光，开启仪器然后按住开关键直至背景光打开。

再次按住该 键背景光关闭该键的功能适用所有仪器的模式和范围 ZERO/SCROLL In measurement mode, sets the instrument to zero. In menu mode, scrolls through menu options. Also scrolls numbers when entering or editing a value. 在测量模式下，将仪器值归零在菜单模式下，用于菜单选项之间的滚 动在输入或者编辑一个数值时，用于在不同数字之间变换 READ/ENTER In measurement mode, initiates sample measurement. In menu mode, selects a menu option. When entering numbers, moves one space to the right and executes the function when the entry is complete. 在测量模式下，为开始测量样品在菜单模式下，用于选择菜单选项 当输入数字时，用于移到下一个右侧位置，并且在输入完成后按此键。

MENU Enter/Exit the menu mode. Press and hold for approximately 5 seconds to enter user-entered method mode. 用于进入/退出菜单模式按住MENU（菜单）（菜单）键并保持大约五秒钟进入 用户输入方法模式 Operation, Calibration and Maintenance of Hach POCKET COLORIMETER™ II Hach 袖珍式比色计™袖珍式比色计™ Ⅱ的操作，校验和维护Ⅱ的操作，校验和维护 Page 3 of 10 Edition: Internal number: Document number: Process: Quality Control 1.0 - 126601 3 Operation 操作操作 3.1 Startup 开机开机 Step 步骤步骤 Action 项目项目 1. Press the POWER key to turn the meter on. 按POWER（电源）键打开比色计 2. Check display to see that instrument is set to low range (LR) channel, which is indicated by arrow under the letters ‘LR’. If instrument is in high range (HR), set it to low range (LR) as follows: ? Press the MENU key and the display will show ‘SEL’ ? Press READ/ENTER key to switch range ? Press MENU again to accept change and exit back to measurement screen 检查仪器是否指示在低范围（LR）。

如果仪器指示在高范围（HR），按下 列步骤设置至低范围（LR）： ? 按MENU（菜单）键屏幕将显示“SEL（选择）” ? 按READ/ENTER（读数/输入）键在转换范围 ? 再次按MENU（菜单）键确认所选择的范围并返回到测量界面 3.2 Adjustment and Calibration 调整和校验调整和校验 The Pocket Colorimeter™ II instrument is factory-adjusted and ready for use without further adjustment or calibration by the user. See Appendix 2 for rationale regarding calibration and adjustment. 袖珍式比色计™ Ⅱ经过出厂调整，用户在将来的使用中不需要进行调整或校验可 以参见附件2关于校验和调整原理 3.3 Sample Analysis 样品分析样品分析 3.3.1 Materials 材料材料 ? DPD Free Chlorine Powder Pillow (Hach Catalog No. 21055-69) DPD 游离氯药粉（哈希编号 21055-69） ? 10-mL Sample Cells with screw caps (Hach Catalog No. 21055-069) 10 毫升带盖样品池（Hach Catalog No. 21055-069） Operation, Calibration and Maintenance of Hach POCKET COLORIMETER™ II Hach 袖珍式比色计™袖珍式比色计™ Ⅱ的操作，校验和维护Ⅱ的操作，校验和维护 Page 4 of 10 Edition: Internal number: Document number: Process: Quality Control 1.0 - 126601 3.3.2 Procedure 步骤步骤 Samples must be analyzed immediately and cannot be collected and stored for later analysis. 样品必须立即进行分析而不能够保存以后再分析。

Step 步骤步骤 Action 项目项目 1. Rinse two 10-mL cells and caps at least 3 times with water from sampling location and empty rinse water into drain. 用取样点水冲洗 2 个 10 毫升瓶和瓶盖至少 3 次并废弃冲洗水 2. Fill one 10-mL cell with laboratory water as blank and cap. 填充 10 毫升实验室用水至样品池作为空白，盖上盖子 3. Wipe excess liquid and a。