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Author Topic: Metrahit Tech M243A firmware  (Read 291 times)

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Offline edisitaruTopic starter

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Metrahit Tech M243A firmware
« on: December 06, 2024, 02:02:19 pm »
Hello
I'm looking for firmware v3.06 for Metrahit Tech M243A. Please if anyone has it, post it here.
Thanks in advance!
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Offline coromonadalix

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Re: Metrahit Tech M243A firmware
« Reply #1 on: December 06, 2024, 03:30:13 pm »
no fw have ever leaked ... old or new generation

no schematics either,  unless  some one has an updated meter and rip it / dump it ... with jtag tools or others ... if it is possible ?

have you asked gossen ??

those are 12 k counts made with a maxim asic,  if i recall ?

what is this meter problem ?
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Offline edisitaruTopic starter

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Re: Metrahit Tech M243A firmware
« Reply #2 on: December 07, 2024, 08:31:24 am »
The multimeter is the first generation, Metrahit Tech M243A.
It currently has firmware 2.73, no problems, but I would like to upgrade it to the latest version, v3.06.
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Offline coromonadalix

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Re: Metrahit Tech M243A firmware
« Reply #3 on: December 07, 2024, 02:15:15 pm »
ask gossen, i never saw any fw made available ... unless you send the meter to them for repairs and calibration. And they dont support the old metrahit line anymore ...

in usa you have gossen usa / dranetz, and they charge hefty price for repairs / calibrations
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