Return-Path: Received: (qmail 10305 invoked from network); 6 May 2000 05:38:22 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by teachers.core.plus.net.uk with SMTP; 6 May 2000 05:38:22 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.02 #1) id 12nxD2-0005Wd-00 for rsgb_lf_group-outgoing@blacksheep.org; Sat, 06 May 2000 06:33:00 +0100 X-Priority: 3 X-MSMail-Priority: Normal Received: from ds-img-6.compuserve.com ([149.174.206.139] helo=spdmgaaf.compuserve.com) by post.thorcom.com with esmtp (Exim 3.02 #1) id 12nxD1-0005WT-00 for rsgb_lf_group@blacksheep.org; Sat, 06 May 2000 06:32:59 +0100 Received: (from mailgate@localhost) by spdmgaaf.compuserve.com (8.9.3/8.9.3/SUN-1.9) id BAA09906 for rsgb_lf_group@blacksheep.org; Sat, 6 May 2000 01:32:11 -0400 (EDT) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Date: Sat, 6 May 2000 01:31:16 -0400 From: "'Geri' Kinzel, DK8KW" Subject: Re: LF: RF Thermo Couple Meter, calibration? To: rsgb_lf_group@blacksheep.org Message-ID: <200005060131_MC2-A3FC-8954@compuserve.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Disposition: inline Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hi Larry, >For most thermocouple ammeters, 60 Hz is sufficient to check calibration. < the type I use here is a russian type (0-3 A) and it says on the meter itself "30 - 50Hz - 7.5 MHz", with the 50 Hz underligned, so it seems they have a wide working range. Good luck, best 73 Ger, DK8KW (W1KW)