? 2. Features large-screen 7.1-inch touch screen display, clear user interface, easy to understand;? Pressure resolution <0.1Pa>, high precision;? Multi-channel parameters <16 group>, you can easily select and set the parameter channel set;? test results are available Pa, Pa / s, mL / min;? test pressure available kPa, bar display;? test mode with manual and automatic test pattern with a serial RS232, RS485 output mode;?? USB data output can be directly test data is written to the U disk;? remote control contacts rich, can be connected to PLC, also can directly drive an external device (such as a cylinder, etc.);? You can manually adjust the output terminals of the external control is more flexible;? 10,000 to save the latest group test data, by date, job number, work number query test results;? a wealth of statistics and analysis capabilities; 3. This machine parameter differential display range minimum guarantee the accuracy range of the sensor range of the sensor voltage 0.1Pa 0 ~ ± 1000Pa 0 ~ ± 1000Pa 0 ~ ± 1000Pa 10MPa pressure test minimum display 1kPa display range 0 ~ 300kPa guarantee the accuracy range of 0 ~ 300kPa pressure sensor Chennai kPa pressure 10MPa display unit test leakage Pa, Pa / s, mL / min leakage display three-digit integer, decimal digits 2; sampling frequency is displayed on the lower leakage 10HZ ± 1000Pa following guide number 400 ~ 600kPa pressure source parameter channel 16 set time 0 to 1000 seconds to set hardware 32bitCPU supply AC220V ± 5%, 50HZ test voltage source than the test using a high pressure clean air ambient temperature is 5 ~ 40 ℃; Storage temperature is -20 ~ 70 ℃ Humidity 80% RH, or less, no condensation control IO interface specification interface with open collector output relay