Is this a correct setting to check Amperage?

[ptolemy]

If not, what should I do to measure amperage? Thanx!

 

[StarHalo]

Re: Are these the right setting to check Amperage?

You have it right; your flashlight is drawing 1.85 amps from the battery (not at the LED/emitter).

 

[ptolemy]

Re: Are these the right setting to check Amperage?

You have it right; your flashlight is drawing 1.85 amps from the battery (not at the LED/emitter).

How can I measure how much is emitter drawing on high?

This light is rated for 3amps o high (regulated) and in pas it was buggy and emitter and board wouldnt work so it'd draw less than 2amps, so i want to verify it

 

[StarHalo]

Re: Are these the right setting to check Amperage?

How can I measure how much is emitter drawing on high?

If the high mode is accessed by the bezel, turn it; if it's accessed by a soft-press, momentarily remove one of the probes then replace it - this is the same as a soft press.

When measuring on a multi-mode light, it simplifies things if you set the light atop something transparent so you can visually see what mode the light is on. An upside-down glass or tupperware container works nicely.

 

[ptolemy]

Re: Are these the right setting to check Amperage?

If the high mode is accessed by the bezel, turn it; if it's accessed by a soft-press, momentarily remove one of the probes then replace it - this is the same as a soft press.

When measuring on a multi-mode light, it simplifies things if you set the light atop something transparent so you can visually see what mode the light is on. An upside-down glass or tupperware container works nicely.

it is multimode and it draws 1 amp on 2nd and .2 on 3rd. but issue was in past that pill drew 2 amps and regulating board drew another amp, hence it was 3ams resulting in 900 lumens light

if it just draws 1,9 amps from 18650x2then its an issue?

 

[StarHalo]

The amp draw from the battery is the total amount of current being used by everything; both the circuitry and LED. So there's definitely not 2 amps going to the LED.

 

[ptolemy]

The amp draw from the battery is the total amount of current being used by everything; both the circuitry and LED. So there's definitely not 2 amps going to the LED.

i got this explanation but I cannot figure out what it means

who is right?

3a is the forward current driving the LED pill while the voltage is regulated at ~3.6V. The current you measured should be within the voltage range between 5.4V to 8.4V. Therefore there's nothing wrong with the LED engine.

thanx;)

 

[StarHalo]

Ahh, sorry, I assumed you were using the same voltage/battery config; More voltage means less amperage when doing battery current draw measurements, so the other guy is correct.

 

[ptolemy]

Ahh, sorry, I assumed you were using the same voltage/battery config; More voltage means less amperage when doing battery current draw measurements, so the other guy is correct.

ok thanx. i am very to this custom stuff, so learning every day:D

 

[sadtimes]

Nice Wally world meter... I have the same one.... =-)

 

[ptolemy]

Nice Wally world meter... I have the same one.... =-)

thats how i got mine.

someone here was looking to buy one and this came recommended. so i grabbed it :)

from all my tools, i used it the most. so useful!

 

[HKJ]

I have made a small guide on how to measure on a flashlight: http://www.candlepowerforums.com/vb/showthread.php?t=236906

 

[qwertyydude]

Also those leads use thin wires which add resistance inline. I noticed when using heavy 12 gauge leads my amperages would go up considerably. Flashlights that previously measured 1 amp would be up to 1.2 and my P7 DD light used to say 2.8 amps with the thick wire that went up to 3.2 amps