Thermco Accu-Safe Enclosed Chamber Verification Bottle Thermometers are environmentally friendly red or blue spirit filled instruments. Thermometers are housed in unbreakable plastic bottles filled with Bio-Safe Glycol/Water - 30 ml. They provide an economical, precise and reliable means of measuring critical temperatures in Blood Bank Refrigerators, Ultra-Low Freezers, Freezers, Refrigerators, Incubators, Ambient/Room, Block Heaters and Ovens. Each bottle thermometer has it's own unique serial number and are supplied with a NIST Traceable Certificate. Magnets are included to attach thermometers to a steel door or wall.
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