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List your test equipment "scores" here!
HighVoltage:
--- Quote from: TheSteve on March 14, 2021, 07:49:12 am ---Finally got a deal on something I've been wanting for several years - a Keysight 1147B 50 MHz 15 amp current probe. As is very common with these the original case was not included, so I treated it to a Pelican 1170.
Was having some fun probing current through a resistor using my B2901A SMU as a source.
--- End quote ---
Nice!
The 1147B is a really nice probe.
And the zero correct function does work much better than on the 1147A.
TheSteve:
--- Quote from: HighVoltage on March 14, 2021, 09:24:22 pm ---
--- Quote from: TheSteve on March 14, 2021, 07:49:12 am ---Finally got a deal on something I've been wanting for several years - a Keysight 1147B 50 MHz 15 amp current probe. As is very common with these the original case was not included, so I treated it to a Pelican 1170.
Was having some fun probing current through a resistor using my B2901A SMU as a source.
--- End quote ---
Nice!
The 1147B is a really nice probe.
And the zero correct function does work much better than on the 1147A.
--- End quote ---
Interesting - I don't know why but I thought the main difference was just RoHS compliance between the A and B.
HighVoltage:
--- Quote from: TheSteve on March 14, 2021, 11:44:52 pm ---
Interesting - I don't know why but I thought the main difference was just RoHS compliance between the A and B.
--- End quote ---
I am sure there was a redesign to correct the zero reference but I have no confirmation for this.
Because every 1147A I had was not correctable with the wheel and some had a large offset and needed repair.
And every 1147B I had was perfectly adjustable around zero amp with really good accuracy.
Here is where I show my first 1147B repair:
https://www.eevblog.com/forum/repair/agilent-1147b-current-probe-(2013)-repair-need-advise/msg748761/#msg748761
bsodmike:
Hey @nctnico - my local agent was asking for over £4,000 for the Keysight 53230A so I looked at eBay and went for this 53132A, which is a little over £1,000/-. Will let you know how this pans out, thanks.
https://www.ebay.co.uk/itm/122870192180
PaulAm:
Time to bump this one up again :-DD
Finally bit the bullet and bought a LeCroy DDA120 off of ebay as a parts unit, no testing, no line cord etc etc. I figured I could use the power supply to repair an LC584 that's been apart on my bench (also bought as a repair project). If I got a power supply and the CRT I figured it was well worth it.
Plugged it in and turns out to be 100% functional. I think the "Disk Drive Analyzer" moniker throws non-technical people and they have no idea what they're dealing with. This one came from Maxtor by way of Dovebid. The seller probably bought a pallet of them, they've been sitting on ebay for months. Every month or so I'd do the rounds sending out offers and finally got a bite.
Now I can bundle up the 584 and put it on the shelf as parts and start looking for a set of probes (which will probably cost more than the scope). That makes for one easy repair.
Yes it's big and heavy and a little loud, but I have the bench space, it has tons of math options + FFT and where else are you going to find a 8Gs/sec color scope for $300?
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