Product Description
Respiratory resistance tester is suitable for measuring the inhalation resistance and exhalation resistance of respirator and mask protective equipment under the specified conditions, and is used for the related detection and inspection of ordinary mask products by the national labor protection equipment inspection agency manufacturers. The instrument is composed of a gas source with adjustable flow rate, a human head model specified by the standard, two inspiratory and expiratory tube systems, and a respiratory resistance measurement system. Comply with YY 0469-2011 medical surgical masks, YY 0969-2013 disposable medical masks.
working principle
The output of the gas flow is set by a gas flow meter, so that the gas flow passes a certain area of the test sample, and the current pressure is detected by the pressure sensor and the pressure difference is calculated..
Technical characteristics
1. Equipped with special sample holder, easy to use.
2.7-inch high-definition touch display.
3. Built-in micro printer, easy to print the experimental results.
4. Equipped with high-precision differential pressure sensor, digital display of two samples for measuring differential pressure;
5. Equipped with high-precision gas flow control, real-time digital display of flow, stable air flow control and manual setting.
6. The product conforms to the third-level authority of GMP users.
7. Single and group statistical analysis of test results can be performed.
8. With ISP online control and upgrade functions, the test function can be changed remotely as required;
9. Special computer communication software, real-time display of the test, data analysis and processing, data storage.
Mask
FAQ
Q1.Are you a manufacturer or a trading company ?
A: We are a professional manufacturer of test instruments. And we have our own subsidiary company for trading. All the import and export business will be handled by our own trading company.
Q2.Where is your factory located ? How can I visit there ?
A: Our factory is located in Jinan City, Shandong Province, about 1.5 hours by train from Beijing.
Q3.What’s the price of your test instruments?
A: Please contact us via trademanager or email, we will send you detailed quotation.
Q4.How to support me if i don't know how to use it?
A: Free training within the warranty by tel and mail or skype. And we have professional operation manual and operation video. We also can let our technician to customer’s company to provide training and support if customer request.
Q5. If machines wearing parts need changing, what should we do?
A:We can offer the wearing parts all the time, and offer video to show how to change it.
Q6. What's the payment terms if we want to buy the machines?
A: L/C or 100%T/T.