Thermocouples, Schlermocouples! I use an infra-red gun.
They are quite cheap (a few hundred dollars), work instantaneously, and readout to 0.1 degrees. To use: point, and pull the trigger. Different models focus at different angles. The readout is the average temperature of the surface intersected by the cone. I've seen high-end versions of these things with telescopic sites and narrow beams used to measure temperatures on transformers mounted high off the ground. The only requirement is clear and unobstructed access to the surface. If you don't have that then it's back to the glue. BTW, what's a thermocouple welder? Jon Keeble -----Original Message----- From: Roman, Dan [mailto:[email protected]] Sent: Monday, 18 December 2000 12:36 To: 'Joe Finlayson'; 'EMC PSTC' Subject: RE: Thermocouple issues I use either epoxy or a cement made out of "water glass" and kaolin powder. I have a thermocouple welder so I'm not too concerned about keeping them intact while removing them. -- Dan Roman, Compliance Engineer Dialogic®, an Intel Company 1515 Rt. Ten, Parsippany, NJ 07054 mailto:[email protected] Mail Stop: 2PY2-021 Voice: +1 (973) 967-6485 Fax: +1 (973) 967-8109 -----Original Message----- From: Joe Finlayson [mailto:[email protected]] Sent: Friday, December 15, 2000 2:53 PM To: 'NEBS Newsgroup'; 'EMC PSTC' Subject: Thermocouple issues I am in the process of performing a thermal evaluation and am using thermocouples to measure surface temperatures of IC's, etc. I'm finding that the thermocouple tape that I'm using tends to experience a degradation of the adhesive as the temperatures increase (in the 80-100°C range) causing the thermocouples to separate from the surfaces. I'd appreciate any advice that could point to a higher performing tape/adhesive for such an application. Some of the IC's are quite small which doesn't leave much surface area for adhesion and I am using as many as 40 thermocouples per card. Thx, Joe ********************************* <<...>> Joe Finlayson Manager, Compliance Engineering Telica, Inc. 734 Forest Street, Bldg. G, Suite 100 Marlboro, MA 01752 Tel: (508) 480-0909 x212 Fax: (508) 480-0922 Email: [email protected] Web: www.telica.com ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: [email protected] Michael Garretson: [email protected] For policy questions, send mail to: Richard Nute: [email protected] ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: [email protected] Michael Garretson: [email protected] For policy questions, send mail to: Richard Nute: [email protected] ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: [email protected] Michael Garretson: [email protected] For policy questions, send mail to: Richard Nute: [email protected]
