[Boatanchors] Inexpensive Scope Probes

[Carl]

Ive had no problem with 200MHz Chinese probes as high as ~150MHz which is as 
high as Ive tested them so far. As with all imports there are good and bad 
suppliers. I suspect that Ebay feedback has caused many bad ones to leave.

Carl
KM1H


----- Original Message ----- 
From: "Glenn Little WB4UIV" <glennmaillist at bellsouth.net>
To: "Dave Merrill" <r390a.urr at gmail.com>; "BOATANCHORS" 
<boatanchors at mailman.qth.net>
Sent: Tuesday, February 08, 2011 11:25 PM
Subject: Re: [Boatanchors] Inexpensive Scope Probes


> While in the navy, we ordered a Tektronix scope probe.
> Due to competitive bids and "specs" we received a knock off probe.
> When I attempted to measure a clock waveform in a computer with the
> prescribed scope and this probe, the waveform would change depending
> on where along the lead you placed your hand or the position of the
> lead relative to the chassis of the computer.
> The next order was specified "do not substitute" and we did receive a
> genuine Tektronix probe.
> There was no problem measuring the clock waveform with this probe.
>
> Buyer be ware with cheap probes.
> Probably useable for audio, but very questionable above a few MegaHertz.
>
> It all depends on how much you want to trust the waveform displayed
> on the scope to be an accurate representation of the measured circuit.
>
> Just my experience.
> I will only use quality probes.
>
> 73
> Glenn
> WB4UIV
>
>
>
> At 09:26 AM 2/8/2011, Dave Merrill wrote:
>>Hello List,
>>
>>I'm shopping for some probes and I'm wondering if anyone has
>>experience with any of the imported ones on eBay that generally run
>>under $20 for a pair (ex item 160411773337).  I'm sure they're not Tek
>>or HP quality but for light duty troubleshooting work they might fit
>>the bill.
>>
>>73,
>>/dave
>>N9ZC
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