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Meter for K40 china laser ??
Posted: Mon Sep 10, 2012 11:42 pm
by theking
Hello I bought a digital meter 3 digit Mini Blue LED DC 100mA meter. Ideal for CO2 Laser power indicator(100mA) to replace my analog meter on my k40 mocked laser can I connect him(it) directly the digital meter on the borders of the analog direct replacement either or I have to connect ??
let me know where is conect wire from my digital ? and is possible a work 2 meter at the same time analog and digital ??
Re: Meter for K40 china laser ??
Posted: Tue Sep 11, 2012 12:08 am
by Tech_Marco
Just connect the two input wires (green & blue) in series with the "negative" wire from the PS to the Laser tube Negative side. Make sure not connect it to the HV side or it will blow.
Yes, you can use both Analog and Digital together. Just hook the meters in series and both meter will read
Marco
Re: Meter for K40 china laser ??
Posted: Tue Sep 11, 2012 9:54 am
by theking
Tech_Marco wrote:Just connect the two input wires (green & blue) in series with the "negative" wire from the PS to the Laser tube Negative side. Make sure not connect it to the HV side or it will blow.
Yes, you can use both Analog and Digital together. Just hook the meters in series and both meter will read
Marco
To be sure not me wrong I board is a picture of the connection you thought that this is corect?
Dany,
Re: Meter for K40 china laser ??
Posted: Tue Sep 11, 2012 10:07 am
by Tech_Marco
You need to put two meters in "series", not in parallel.
if you put two meter in parallel, you will see "half" current.
Should do it in series Tube(Neg) -----[+ Amp1 -] ----[+ Amp2 -] ------ PS Negative
Marco