Programmable High low Temperature impact tester, used to test the bearing extent of the material structures and composite material in an instant and continuous high temperature and extremely low temperature environment, that is in the shortest time to test its thermal expansion and contraction caused by chemical change or physical harm. Application objects, including metal, plastic, rubber, electronics. And other materials can be used as a basis to improve their products or reference.
Features:Characteristics:：
1、The machine is divided into three sections: The high temperature chamber, the low temperature chamber and the testing chamber.
2、The color touch panel control system was made in Japan can display Chinese/English. The big size liquid-crystal LCD has been adopted.
3、High formula memory capacity may be set to 120 patterns. The maximum cycle setting is 9999cycles. The maximum setting of each section is 999 Hrs 59 Mins.
4、Provide with RS-232C communication interface device, capable of controlling/editing/recording in the linkage with the computer and two set dynamic connection point and convenient application.
5、Both 2 zone and 3 zone shocks can be chosen.
6、All equipment is fully automatic, and all process are precisely controlled with P.L.C. 'S.
7、Of any part of the malfunctions, the machine will automatically shuts down and a warning light switches on.
8、Machine can be shut down automatically in case of electrical power instabilities.
Touch screen functions：
1、High sensible touch screen, easy to operate.
2、Automatic save in real time, display PV and SP of temperature and humidity, saved curves, group curve and working status via the MV curve.
3、Can display the number, segment, remaining time and cycle times of the current working program.
4、Time accumulating function.
5、Can display temperature`s set value and value via a curve.
6、Can edit temperature, humidity and time up to 4 sets in one page.
7、Can dynamically display the program action.
8、16-segment backlight adjustment.
9、Can set screensaver time or manually disable screensaver.
10、Standby function, can save power.
11、The display device is separated from the controller.
Standards implemented and met:
GB/T2423.1-1989 Test method of low tempemture test；
GB/T2423.2-1989 Test method of higt tempemture test；
GB/T2423.22-1989 Test of tempemture change；
GJB150.5-86 Test of tempemture shock；
GJB360.7-87 Test of tempemture shock；；
GJB367.2-87 405 Test of tempemture shock；；
Model and Temperature Range:
DH-CH50A　　-40℃ to 150℃
DH-CH50B　　-55℃ to 150℃
DH-CH50C　　-65℃ to 150℃
etc.