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Kunkin KP184 electronic load : "fixing" an manufacturer issue

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Folxs:
Hi, I have different type of question - can I connect it to PC and log data files of voltage/current in time to later calculations?
If not,do You know any substitution of that? like some digital bench multimeter to count in 1 time current and voltage and save it?
I need to pretty precise measure dicharging characteristics of batteries

HKJ:

--- Quote from: Folxs on May 25, 2020, 10:12:27 am ---Hi, I have different type of question - can I connect it to PC and log data files of voltage/current in time to later calculations?
If not,do You know any substitution of that? like some digital bench multimeter to count in 1 time current and voltage and save it?
I need to pretty precise measure dicharging characteristics of batteries

--- End quote ---

I believe there is some programs that can do it, but it is not included in my program yet: https://www.eevblog.com/forum/testgear/program-that-can-log-from-many-multimeters/
My program includes some Itech, BK & Maynuo loads and can directly do Ah & Wh calculations.

Folxs:
Hmm, but maybe I could use some external benchtop DMM to log current and voltage one time or even more parameters and log it?

HKJ:

--- Quote from: Folxs on May 26, 2020, 07:25:45 pm ---Hmm, but maybe I could use some external benchtop DMM to log current and voltage one time or even more parameters and log it?

--- End quote ---

You can easily do that with the above program and again you can calculate Ah & Wh. It supports both bench and handheld meters, only problem is Brymen where it can only handle one at a time (One Brymen and one or more others works) and only on Windows.

AlexVlc:
Hi,

It's a noise problem.

I bought this unit in July 2020 (i think is the latest revision) and the problem is not with the load, the problem is that this device have electrical noise with or without load and with or without the capacitor. I think the problem is in the power supply but I don't have time to solve the mistery but maybe someone can look for it.

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