VARIAN 3400 GAS CHROMATOGRAPH GC machine laboratory instrument

VARIAN 3400 GAS CHROMATOGRAPH GC machine laboratory instrument Introduction

Details Condition Used - Good VARIAN 3400 GAS CHROMATOGRAPH GC machine writen on some places on the machine 3400 model and some other places 3300 therefore can not say exactly which one as both they are very similar. tested as follow only(nothing more than done tests can be guaranteed): during test, no gas cylinder was connected to the machine. machine turned on. it goes on self test. it shows 3 errors(maybe because no cylinder was connected? I read that it is normal with working units on online forums) that upon pressing enter, they go away and regular display readout appear. It follows the program It has. I could adjust temperature individually for injector, oven and detector to my set temperature and machine reaches to the set temperatures exactly for each one. fan of the unit works. keyboard on the machine functioning without any problem. upon reducing oven temperature to room temperature, the fan starts and a gate at the back of the oven opens to allow hot air gets out and machine cools down as It should be. upon pressing the ignite bottom on the keyboard, the filament in the FID detector glows red. It has manual as pdf file.