So, How cold is it in there? The digital thermometer pictured to the left is one of many solutions available for monitoring temperature of refrigerators, freezers, incubators, water baths and heating blocks. For accuracy, the probe is sealed in a miniature bottle filled with nontoxic glycol solution. Otherwise, by opening the door to your refrigerator or freezer, room temperature can create an immediate drop and providing an inaccurate reading. StephenG
Digital themometers are available with and without audible alarms, depending on your specific application. This unit come with a ten-foot micro cable which permits you to close the refrigerator doors and is designed with a high-impact, chemical-resistant case. Serial numbered certificates with laboratory calibration accredited by A2LA to indicate traceability to standards provided by the National Institute of Standards and Technology.
Depending on the application, dual scale analog thermometers are also an excellent tool, providing a quick reference for indicating freezer, refrigerator, or spoilage temperatures and offering a range of –30 to 30°C (–20 to 80°F). StephenG