Temperature Sensor resists moisture intrusion.
July 28, 2008 -
Designed for harsh environment of autoclave steam sterilizers, Model 3312B uses cable material that withstands moisture intrusion during pressure and vacuum cycling, and meets USP Class VI requirements for use in sanitary environments. Material has low memory and, thus, resists kinking. Available in variety of sheath and lead-wire jacket diameters, RTD comes in sharp-pointed version for insertion into rubber-capped vials, small bottles in tray washers, and sterile bags.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Weed Instrument Co., Inc.
707 Jeffrey Way
Round Rock, TX, 78680
USA
New Temperature Sensor for Autoclave Steam Sterilizers Resists Moisture Intrusion
A new moisture-resistant RTD, designed for the harsh environments of autoclave steam sterilizers, has been introduced by Weed Instrument of Round Rock, Texas.
The new RTD, the Model 3312B, uses a proprietary cable material that withstands moisture intrusion during pressure and vacuum cycling, and meets USP Class VI requirements for use in sanitary environments.
The new cable material also withstands the physical abuse that often occurs during loading and unloading of large sterilizers. The material has low memory and, thus, resists kinking.
Model 3312B comes in a variety of both sheath and lead-wire jacket diameters. It is also available in a sharp-pointed version for easy insertion into rubber capped vials, small bottles in tray washers and sterile bags. It does not sacrifice time response, assuring quick, accurate temperature measurement without delay or inaccurate readings.
The 3312B was developed after extensive research at Weed Instrument demonstrated that with Teflon or Silicon jacketed wires, the two material types used in most other autoclave sensor designs, moisture intrusion frequently occurs. During the pressure and full vacuum cycling in the sterilizer chamber, moisture is drawn through the jacketed material and onto the bare copper wires leading to the sensor. Repeated testing over an 8 month period proved that sensor failure is a function of the cable material and not improper sealing of the cable to the sensor. The 3312B, which utilizes the proprietary cable jacket material, eliminates the moisture intrusion problems.
For more information please contact Joe Cheatham at Weed Instrument Co., Inc., 707 Jeffrey Way, Round Rock, Texas 78662. Phone: (512)434-2880, or jcheatham@weedinstrument.com
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