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| Agilent 34410A Noisy fan |
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| RolandK:
The 34410A / 34411A seem to have 30 / 10 mm fans. The 34465A / 34470a seem to have 40 / 10 mm fans. Both just measured on the backside. The E3449a seems to have 80 / ? mm fans. In the https://www.ebmpapst.com/content/dam/ebm-papst/media/catalogs/products/Catalog_Compactfans_US_en.pdf is only a 40 / 10 mm fan, no 30 /10. So no luck with this. :( |
| HighVoltage:
--- Quote from: Odd on April 16, 2023, 06:23:23 pm ---can you please tell me the papst fan model you have used for 34410A ? (I'd like to avoid disassembly just to figure out the dimensions and voltage & wattage/current) --- End quote --- It has been too long since I did this mod. I just looked at my notes, this was not a Papst fan. I used Papst fans for other Agilent gear. The fan you need for the 34410A and 34411A is a 12V 35x35x10mm. The model that I installed was a: Sunon MF35101V1-1000U-A99 Axial fan 12 V DC 12.24 m³/h (L x W x H) 35 x 35 x 10 mm |
| RolandK:
In my 34411a with serial number starting MY48 is a 1204KL-04W-B40 12V DC 0.1A from NMB-MAT (Minebea-Matsushita) which is 30x30x10mm. Did they change the size, e.g. in later versions? Or did you modify the fan-mounting with a drill and dremel? :-BROKE |
| HighVoltage:
Nothing was changed, definitely not with a dremel. :-DD I am traveling right now. When I am back, I will open one instrument and take some pictures. |
| RolandK:
You had the same fan, here are your pictures: https://www.eevblog.com/forum/repair/agilent-34410a-repair-attempt-of-2-dead-meters/msg820491/#msg820491 i ordered now sunon HA30101V3-1000U-A99 |
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