Product use:
  The test device suitable for detecting the air tightness of the breathing valve can be controlled by computer or manual to complete the air tightness operation. In addition, in order to ensure the safety of the test, the workpiece to be tested is subjected to a strength test before the gas seal test, and a gas seal test is performed after waiting.
Second, the characteristics of the mask breathing valve air tightness testing machine
  * Can choose the corresponding pressure and test method according to the actual needs of customers;
  * Equipped with paperless recording equipment, which can perform paperless recording during the pressure test.
  * Test pressure, dwell time, control method, etc. can be selected.
  * Support high-precision temperature control to meet the test under different experimental conditions.
  * Computer controlled whole experiment process can be done automatically
  * The data acquisition software can display the test curve in real time, read the data from the curve, the data can be saved to the excel form, and the form can be edited.
Technical parameters:
  * Test medium: compressed air, nitrogen
  * Test pressure: 0 ~ 2Mpa, according to customer's needs, choose the corresponding pressure
  * Driving pressure range: 0.1 ~ 0.69Mpa, and the output pressure is proportional to the driving pressure
  * Detection method: bubble method, differential pressure method, direct pressure method
  * Maximum air consumption: 1.6Nm3 / min
  * Test temperature: normal temperature
  * Pressure control accuracy: + 2% of the upper limit of the test pressure value, -1% of the lower limit
  * Number of test stations: 1 station
  * Control method: computer control or manual control
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