X-Authentication-Warning:	delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient:	geda-user AT delorie DOT com
X-Original-DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=gmail.com; s=20120113;
	h=mime-version:in-reply-to:references:date:message-id:subject:from:to
	:content-type;
	bh=xf1mcSXGape1S6tyFZLS+rVvulrToPGymy5IIf58dfA=;
	b=indTd3upwItiHthAc+xvvSHttSV/zcw5YubBtpXKuDimHaNpgX7sCjUeg9jUq63suu
	HC/qSP9asRE93/qD0N3p4tdfWUGkhtY8IdJDKBCtYbZXtYjsziOkUq3P7N0B4GrnDben
	9IqOCts6glQa4Xab8YejHUTgFn5n1SPOSJqDo5MttQmJeOThgcJ/lGij9TVvmod1ni9v
	HFHN24UZdSgHOxF5SGxDnM4PBbsh0BhWFobON0EjjGbd9Rc4RZx68gjvFl3k9BpQdQ12
	vKGutfR3jUS59cdMX8ZsOFFENLLXrs0i76aFaihsE0s5rkPnf1k92kLVhuMxloMQrDMl
	/ALw==
MIME-Version:	1.0
X-Received:	by 10.112.212.9 with SMTP id ng9mr37942918lbc.57.1435961811244;
	Fri, 03 Jul 2015 15:16:51 -0700 (PDT)
In-Reply-To:	<8376edcac9694d2dc0d4195b4810ff45@cam.ac.uk>
References:	<1435872894 DOT 31269 DOT 7 DOT camel AT cam DOT ac DOT uk>
	<CAM2RGhTP4tMk_=-o3-K_pss38AF+f_vd46T=jC4+4RdMXWnWSw AT mail DOT gmail DOT com>
	<8376edcac9694d2dc0d4195b4810ff45 AT cam DOT ac DOT uk>
Date:	Fri, 3 Jul 2015 22:16:51 +0000
Message-ID:	<CAM2RGhRA6fjK8uPboNRnWSA4w-St_B91Dsbp04ZHehy1Dj3z8w@mail.gmail.com>
Subject:	Re: [geda-user] OFFTOPIC: New toy...
From:	"Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Reply-To:	geda-user AT delorie DOT com
Errors-To:	nobody AT delorie DOT com
X-Mailing-List:	geda-user AT delorie DOT com
X-Unsubscribes-To:	listserv AT delorie DOT com

Ok. It is odd how many people I know use non-isolated probes on things
like the 3PH power to the motor.

On Fri, Jul 3, 2015 at 9:19 PM, Peter C.J. Clifton <pcjc2 AT cam DOT ac DOT uk> wrote:
> On 2015-07-03 05:31, Evan Foss (evanfoss AT gmail DOT com) [via
> geda-user AT delorie DOT com] wrote:
>>
>> Little bit of general advise. Get/fabricate a clamp on probe for this.
>> Many an oscilloscope have died trying to fix these kind of things.
>> Thankfully none of mine but still.
>
>
> I tend to borrow a HV isolation probe (and current clamp if things really
> need to get serious).. but have up to 100:1 'scope probes too, that can help
> for power circuits.



-- 
Home
http://evanfoss.googlepages.com/
Work
http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/

- Raw text -