Hello friends,
Some days ago i bought a mini cfl inverter 50w to light up my house with cfl's during power cuts and it is working perfectly till now but suddenly today i thoght to messure the ouput ac volts and when i did it i surprised with the high voltage output and it is not like a.c. I mean... OK LET ME EXPLAIN IT CLEARLY ..
At first i tested it with mains on and i got 229v ac which is ok. But when i switched off the mains its goes to ups mode, now with ups mode on, at first i got no reading then i changed the multimeters probes(black and red) into the socket holes and surprised that i got 564v rating :shocked: then i again change the probes and again got no reading... Whats happening? If it is a.c. Output and i set the multimeters range to a.c. 750v, then why after changing the probes i got no reading i mean in a.c. And with mains on i got the right reading no matter with the probes but with ups on i have to change the probes like d.c. Curent but in dc we get a '-' minus sign when connected reverse,but in a.c. There is no such things we can messure voltage in any order(i did this many times before with my computer ups and everytime i got right reading).
NOW, can anyone tell me what is happening? And that high voltage drops to 464v when i lit up a 8w cfl on the other socket(there is 3 sockets and a cfl/bulb holder).. Please reply.
