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| HP 53131A vs 53132A hardware differences |
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| SMB784:
Well now I'm gonna have to look into this again! Thanks for all your great work everyone |
| daddioo:
Hello everyone, about a month ago I changed my two HP 53131A to 53132A, I followed all the comments on the site and downloaded the file for the components to add and replace, I did the job accurately with hot air welding, I replaced the eprom with the 4613 firmware, both frequency meters work fine SELFTST: PASS, GPIB AT 3, there is only one problem when I turn on this message UNCALIBRATED appears, I don't know what to do. |O I wonder if there is anyone who can help me. sorry for english, i'm using google translate Thank you |
| HighVoltage:
Did you try to calibrate the instrument with an external 10 MHz signal? After a successful calibration with adjustment it should work and the message should stay away. |
| daddioo:
yes I did this calibration with 10Mhz from the gpsdo, but it is used to calibrate option 11 10Mhz high stability, nothing to do it always appears uncalibrated. |
| eliocor:
http://ftb.ko4bb.com/manuals/146.241.179.38/HP_53131A_53132A_53181A_Universal_Counter_Assembly_Level_Service_Guide.pdf http://file.yizimg.com/327204/201684-115911255.pdf see chapter 2 Leggiti il capitolo 2 per la calibrazione dello strumento |
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