Products > Test Equipment
HP 34401A 3457A 3456A 3478A Standalone Software
iMo:
:clap:
This is what I was looking for for ages :) Congratulation!
I do not have my 34401A connected to your control program as I run some measurements now so I will do later..
In meantime let me kindly ask you following: I've been using an stm32 mcu processing and sending data off the 34401A to my smartphone via BT.
The data is a csv line with 14 numbers in each measurement.
How is your "data file" like? I want to try your Grapher with my data..
Thanks!
PS: ok, I've found an example in the zip file..
HKJ:
--- Quote from: imo on October 01, 2021, 03:11:47 pm ---In meantime let me kindly ask you following: I've been using a stm32 mcu sending data off the 34401A to my smartphone via BT.
The data is a csv line with 14 numbers in each line/measurement.
How is your "data file" like? I want to try your Grapher with my data..
--- End quote ---
There is other software that supports the 34401 ( https://www.eevblog.com/forum/testgear/program-that-can-log-from-many-multimeters/ ). It do not support all the detail of the meter (At least not before somebody makes a definition for it), but has considerable more options for data processing and can log multiple devices at the same time, i.e. one or more meters, a power supply and a electronic load at the same time is possible.
iMo:
Unbelievable guys! So many control programs now to try!
3y back there was only the HP sw but it did not work well here..
:-+
iMo:
--- Quote from: HKJ on October 01, 2021, 03:20:56 pm ---.. It do not support all the detail of the meter (At least not before somebody makes a definition for it), but has considerable more options for data processing and can log multiple devices at the same time, i.e. one or more meters, a power supply and a electronic load at the same time is possible.
--- End quote ---
I do in my MCU (an stm32f103 MapleMini hanging on the 34401A's rs232 and also collecting data from 2 thermometers and an RTC) a lot of math - moving averages/medians, and regression upon the data. Saving energy by logging data into a spare smartphone via bluetooth (no PC required). Then I send .csv file via mydrive. In excel I open the file and I get graphs. No need for additional processing so far.
HKJ:
--- Quote from: imo on October 01, 2021, 03:38:07 pm ---
--- Quote from: HKJ on October 01, 2021, 03:20:56 pm ---.. It do not support all the detail of the meter (At least not before somebody makes a definition for it), but has considerable more options for data processing and can log multiple devices at the same time, i.e. one or more meters, a power supply and a electronic load at the same time is possible.
--- End quote ---
I do in my MCU (an stm32f103 MapleMini hanging on the 34401A's rs232 and also collecting data from 2 thermometers and an RTC) a lot of math - moving averages/medians, and regression upon the data. Saving energy by logging data into a spare smartphone via bluetooth (no PC required). Then I send .csv file via mydrive. In excel I open the file and I get graphs. No need for additional processing so far.
--- End quote ---
You could probably do all that math in TestController, but that would require a PC (or Rasberry PI) and something to convert the thermometers into a format TC can handle (See here for examples: https://lygte-info.dk/project/TestControllerArduino2%20UK.html )
TC can do a lot of graphing, from recorded data or from any CSV file.
Note: TC has build-in conversion of PTC's, RTC and thermocouplers from a ohm/volt measurement.
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