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Respiratory filter evaluation filtration performance salinity tester one, the application of short-term air sodium chloride particles challenge test method, to evaluate the filtration performance
of respiratory system filters used to filter breathing gas.
This section applies to respiratory filters
for clinical respiratory systems.
This section does not apply to other types of filters, such as filters used to protect vacuum sources or gas sampling lines for the filtration of shrinking gases or for the protection of biological respiratory measurement test equipment
.
Second, in line with the standard YY/T0753.
1--2009/ISO 23328-1:2003 three, technical parameters 1, color 7 inch touch screen control, man-machine dialogue mode, easy
to operate.
2.
The instrument fixture is simple to operate, all stainless steel material, durable
.
3.
Digital automatic pressure regulation, automatic pressure control and real-time stability are adopted, which greatly improves the test efficiency and accuracy
.
4.
It has the function of preventing pressure overshoot and avoiding affecting the test results
.
5.
Humanized operation, reach the set pressure automatic timer, and automatically remind the end of
the time.
6.
Pressure differential meter: precision differential pressure meter, the minimum range is 0 hPa~1 hPa (0--1000pa), the accuracy is 0.
005 hPa, used to monitor the pressure difference between the two sides of the sample; 7, time setting range: 1 ~ 999min resolution: 18, double dust laser particle counter or double light scattering photometer counting particle median particle size of 0.
075 gm + 0.
020 gm9, the use of brand CSI aerosol generator 1 set contains four nozzles
.
10, control system: PLC, fixture 1 set, fixture 304 stainless steel made and high temperature resistance 200 °-300 °; 11, precision regulator pressure control: 0-1MPA can be selected according to requirements; 12, all joints sample stainless steel tube fittings, anti-leakage function; 13, high temperature resistant silicone pad seal 2pcs; 14, high efficiency filter; 15, a set of electrostatic neutralization; 16, flow meter: 0-50L/min ±5%
of the actual value.
17, air compressor 0.
8MPA, dryer customer self-equipped
