滤膜水侵入法完整性测试仪
2021-03-11 15:05阅读：
滤膜水侵入法完整性测试仪
应用范围：
圆片滤膜（Disc membrane）：Φ25mm至Φ300mm的各种滤膜
标准折叠式滤芯 (Standard
cartridge)：2.5″至40″，1芯至15芯
囊式滤芯 (Capsule)
小型滤芯 (Mini
cartridge)
空气过滤器的检测 2.5″至40″
滤膜水侵入法完整性测试仪 开机
1. 将仪器电源插头插入
br>
220V，50Hz
的交流三芯插座。
2. 打开仪器背板上的电源开关，接通仪器的电源，进入开机主界面，点击
点击测试选项，进入测试界面：
滤膜水侵入法完整性测试仪 技术参数
外形尺寸(mm)
|
390×370×170
|
工作介质
|
压缩空气、钢瓶气
|
压力量程(kPa)
|
50
|
600
|
流量量程
|
20
|
30
|
压力显示精度(kPa)
|
0.01
|
0.1
|
流量显示精度(L/min)
|
0.1
|
工作压力(bar)
|
0 ~
6
|
气源压力(bar)
|
2.4~8.3
|
气源接口(mm)
|
6
|
出气接口(mm)
|
8
|
电压(V)
|
220
|
重量(kg)
|
5
|
水侵入法膜完整性测试(WIT法)的操作顺序
1.
将疏水过滤器的上游充满水
2. 关闭所有上游的阀门
3.
连接完整性测试仪
BQS-19
4.
启动测试：测试仪自动进行WIT测试
5.
测试完成同时打印测试结果
6. 打开滤壳底部的排污阀彻底排掉滤壳中的水
7.
打开滤壳的进气口和排污阀通入压缩空气
8.
开始过滤系统的过滤操作
Operation sequence of water invasion membrane integrity test
(wit)
1. Fill the upstream of the drain filter with
water
2. Close all upstream valves
3. Connection integrity tester bqs-19
4. Start test: the tester automatically performs wit
test
5. Print the test results after the test
6. Open the drain valve at the bottom of the filter shell to
completely drain the water in the filter shell
7. Open the air inlet and drain valve of the filter shell,
and let in compressed air
8. Start the filtration operation of the filtration
system
水侵入保压法
这种方法是为测试疏水型筒式滤芯所设计的。目前用前几种方法测试时，对此类滤芯都使
用醇类浸润滤膜。由于醇类的使用会带来健康和可燃性引起的安全性问题，而用水浸入法测试时
只使用去离子水/注射用水（DI/WFI）级别的水，且滤膜不会被湿透，意味着在原理上这是一种
极具吸引力的测试方法。
水侵入保压法的原理是在干燥清洁的疏水性膜上加上水压，表面张力和毛细管张力使水被
排斥，当逐渐升高压力到一定值，水被压过膜上最大孔，此压力值被称为水侵入压力，
当所加水压略低于水侵入压力值，并隔绝上游体积，保持一定时间，使系统稳定，然后测量压力衰减值，将测量值与规定值比较就能判断滤器的完整性，这种方法称为水侵入保压法。
水侵入压力值与膜的孔径、膜的疏水性、水的纯度、水的温度、膜的洁净度、膜的干燥度等有关，影响的因素较多，在实践中要实现这种测试的重现性是很困难的。因此这种方法可作滤
器的粗检，如果水侵入保压法通过，滤器可以使用，如果通不过则用扩散流或保压法进一步进行
验证。
气源连接
将钢瓶或气泵接至仪器进气接头，连接管接口尺寸为f6
mm，并打开减压阀，压力设置为0.3~0.6
MPa，即可进行测试。系统的最高承受压力是0.6
MPa。用f6 mm
气管将测试仪出口与组件的快接相连，
即可进行泡点测试。
如果测试泡点较小的片式过滤材料，建议将仪器后侧的缓冲罐接口，出气口接口以及组件用一个三通连接，以降低压力上升速率，方便更准确地观测泡点。
Air source connection
Connect the cylinder or air pump to the inlet joint of the
instrument, the size of the joint is f 6 mm, open the pressure
reducing valve, and set the pressure to 0.3 ~ 0.6 MPa. The maximum
pressure of the system is 0.6 MPa. Use f 6 mm gas pipe to connect
the tester outlet with the quick connector of the
assembly,
The bubble point test can be carried out.
If the chip filter material with small bubble point is
tested, it is recommended to connect the buffer tank interface, air
outlet interface and components at the back of the instrument with
a tee to reduce the pressure rise rate and facilitate more accurate
observation of bubble point.
BQS-19过滤器完整性测试仪符合GMP
的完整性测试要求，全自动操作，主要用于对不同规格的膜式过滤器（亲水性、疏水性滤膜及滤芯）进行完整性测试。可通过扩散流、压力衰减、起泡点和水浸
入测试确定过滤器的完整性和性能。可用于过滤器在线检测，它只在过滤器的上游进行完整性测试从而保证了下游的无菌性。
Bqs-19 filter integrity tester meets the integrity test
requirements of GMP and is fully automatic. It is mainly used to
test the integrity of different specifications of membrane filters
(hydrophilic, hydrophobic membranes and filter elements). Through
diffusion flow, pressure attenuation, bubble point and water
immersion
Enter the test to determine the integrity and performance of
the filter. It can be used for on-line detection of the filter. It
only conducts integrity test on the upstream of the filter, so as
to ensure the sterility of the downstream.
滤器合格，自动退出功能
滤膜 /
折叠滤芯作为一种耗材，它有自己的使用寿命，但是合理的使用会使它们的生命周期大大延长。出于对客户滤膜的保护和提高生产中的使用效率（即缩短测试时间），专门增加了“测试合格后，自动退出”功能，这也是国内第一家实现这项功能的仪器。
Filter qualified, automatic exit function
As a kind of consumables, membrane / folding filter element
has its own service life, but its reasonable use will greatly
prolong its life cycle. In order to protect the filter membrane of
customers and improve the use efficiency in production (i.e.
shorten the test time), the function of 'automatic exit after
passing the test' is specially added, which is also the first
instrument to realize this function in China.
数据存储量更大
完整性测试仪是目前国内测试结果存储量最大的，它的标准配置是 500
组（包括测试条件，测试结果和测试曲线）历史记录，我们还可以根据客户要求定制更大容量的存储空间。并且当仪器与
PC 机相连接时，可以实现历史记录的无限制存储。
More data storage
The integrity tester is the largest storage of test results
in China at present. Its standard configuration is 500 group
(including test conditions, test results and test curves) history
records. We can also customize larger storage space according to
customer requirements. When the instrument is connected with PC,
unlimited storage of history can be realized.
测试更方便，人机界面更友好
在人机界面方面做了大量工作，首先每个工作界面的下边都有醒目的操作提示，用户可根据提示内容完成所有操作项目。其次，仪器设计了“最后测试条件自动保存”功能，这样，如果用户每次测试的都是相同规格的滤器，就可以使用“一键到底”（即在选择某一项测试功能后，一直按下仪器面板上的确定键，仪器就能按照上次测试时输入的参数进行检测）实现过滤器完整性测试，大大简化了工作人员的操作程序。
The test is more convenient and the man-machine interface is
more friendly
A lot of work has been done in the human-computer interface.
First of all, there are eye-catching operation prompts at the
bottom of each work interface. Users can complete all operation
items according to the prompts. Secondly, the instrument is
designed with the function of 'automatic saving of final test
conditions', so that if the user tests filters of the same
specification every time, the filter integrity test can be realized
with 'one key to the end' (that is, after selecting a test
function, press the OK key on the instrument panel all the time,
and the instrument can test according to the parameters entered in
the last test), Greatly simplified the operating procedures of the
staff.
北京北广精仪仪器设备有限公司
400-606-1323
