产品详情
  • 产品名称:六价铬水质在线自动监测仪 Hexavalent Chromium Water Quality Online Automatic Monitor

  • 产品型号:WM-8708
  • 产品厂商:国产 Made in China
  • 产品文档:
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简单介绍:
该分析仪能够根据现场设定长期无人值守自动连续工作,广泛适用于工业污染源排放废水、工业过程工艺废水、工业污水处理厂污水、市政污水处理厂污水等场合。 The analyzer can automatically and continuously work according to the on-site setting for long-term unattended operation, and is widely used in industrial waste water discharge, industrial process wastewater, industrial sewage treatment plant sewage, municipal sewage treatment plant sewage and other occasions.
详情介绍:

   铬的毒性与其存在价态有关,通常认为六价铬的毒性比三价铬高100倍,六价铬更易为人体吸收而且在体内蓄积,导致肝癌。因此我国已把六价铬规定为实施总量控制的指标之一。
   该分析仪能够根据现场设定长期无人值守自动连续工作,广泛适用于工业污染源排放废水、工业过程工艺废水、工业污水处理厂污水、市政污水处理厂污水等场合。根据现场测试工况的复杂程度,可选配相应的预处理系统,以保证测试过程可靠、测试结果准确,充分满足不同场合现场需求。

    The toxicity of chromium is related to its valence state. It is generally considered that hexavalent chromium is 100 times more toxic than trivalent chromium. Hexavalent chromium is more easily absorbed by the body and accumulates in the body, leading to liver cancer. Therefore, China has set hexavalent chromium as one of the indicators for the implementation of total control.
    The analyzer can automatically and continuously work according to the on-site setting for long-term unattended operation, and is widely used in industrial waste water discharge, industrial process wastewater, industrial sewage treatment plant sewage, municipal sewage treatment plant sewage and other occasions. According to the complexity of the field test conditions, the corresponding pre-treatment system can be selected to ensure the test process is reliable and the test results are accurate, which fully meets the on-site requirements of different occasions.

产品原理:

本产品采用二苯碳酰二肼分光比色方法测定,水样和调节剂混合后,六价铬在酸性环境和指示剂存在的情况下,与指示剂反应生成一种带色络合物,分析仪检测此颜色的变化,并把这种变化换算成六价铬值输出来。生成的带色络合物量相当于六价铬量。

本方法适用于六价铬在0~30mg/L范围内的废水。

本方法经过预处理及调整测量工艺设置可测量总铬。

Product principle:
    This product is determined by diphenylcarbazide spectrophotometric method. After the water sample and the modifier are mixed, the hexavalent chromium reacts with the indicator to form a colored complex in the presence of an acidic environment and an indicator. The analyzer detects this color change and converts this change into a hexavalent chromium value output. The amount of colored complex formed is equivalent to the amount of hexavalent chromium.
    The method is applicable to wastewater with hexavalent chromium in the range of 0-30 mg/L.
    The method can measure total chromium by pre-processing and adjusting the measurement process setting.

技术参数:

序号

规格名称

技术规格参数

1

适用范围

本产品适用于六价铬在0-30mg/L范围内的废水

2

测试方法

二苯碳酰二肼分光光度比色法

3

测量量程

0-30mg/L

4

检测下限

0.01

5

分辨率

0.001

6

准确度

±10%或±0.05mg/L(二者中的较大值)

7

重复性

10%0.05mg/L(二者中的较大值)

8

零点漂移

±0.5

9

量程漂移

±10%

10

测量周期

测试周期大于20min

11

采样周期

时间间隔(可调)、整点或触发测量模式,可设置

12

校准周期

自动校准(1-99天可调),根据实际水样,手工校准可设置

13

维护周期

维护间隔大于1月,每次约30min

14

人机操作

触摸屏显示及指令输入

15

自检保护

仪器工作状态自我诊断,异常或断电后不会丢失数据

异常复位或断电来电后,仪器自动排除残留反应物并自动恢复工作

16

数据存储

不低于半年数据存储

17

输入接口

开关量

18

输出接口

2RS232数字输出,14-20mA模拟输出

19

工作环境

室内工作,建议温度5-28℃,湿度≤90%(不结露)

20

电源与功耗

AC230±10%V50-60Hz5A

21

尺寸

1500×宽550×深450mm

Technical Parameters:
1.Scope of application:This product is suitable for wastewater with hexavalent chromium in the range of 0~30mg/L.
2.Test Methods:Diphenylcarbazide spectrophotometric colorimetry
3.Measuring range:0-30mg/L
4.Lower limit of detection:0.01
5.Resolution:0.001
6.Accuracy:±10% or ±0.05mg/L (the larger of the two)
7.Repeatability:10% or 0.05 mg/L (the larger of the two)
8.Zero drift:±0.5
9.Range drift:±10%
10.Measurement cycle:Minimum test period 20min
11.The sampling period:Interval (adjustable), hour or trigger measurement mode, can be set
12.Calibration cycle:Automatic calibration (1-99 days adjustable), according to the actual water sample, manual        calibration can be set
13.Maintenance cycle:Maintenance interval is greater than 1 month, about 30min each time
14.Man-machine operation:Touch screen display and command input
15.Self-test protection:The instrument works in self-diagnosis, and data will not be lost after abnormal or power      failure; After abnormal reset or power-off call, the instrument automatically removes residual reactants and        automatically resumes work.
16.data storage:Not less than half a year of data storage
17.Input Interface:Switch
18.Output Interface:2-way RS232 digital output, 1 channel 4-20mA analog output
19.Working environment:Indoor work, recommended temperature 5-28°C, humidity ≤90% (no condensation)
20.Power and power consumption:AC230±10%V, 50-60Hz, 5A
21.Size:Height 1500 × width 550 × depth 450 (mm)

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