The FG80K is a refrigeration and freezer thermometer with measurement range of -40F to 80F (-40C to 27C), a large 5 inch x 1 1/4 inch scale plate. It is red-spirit filled, contains No mercury and can hang or stand. It is NSF listed and is backed by a 1-year limited warranty.
from the manufacturer:
uei test Instruments has over 50 years’ experience designing and manufacturing A broad range of award-winning, industry-leading test and measurement tools. Professionals recognize the UEi brand for quality and innovative features designed to solve real-world problems. Uei backs its products with dedicated TECHNICAL support, service and repair teams.
UEi Test Instruments has over 45 years experience designing and manufacturing a broad range of award-winning, industry-leading Test and Measurement Tools. UEi Test Instruments are sold throughout North America and Canada and professionals recognize the UEi brand for quality and innovative features designed to solve real-world problems. UEis NIST-certification laboratory is compliant with ISO17025. UEi backs its products with dedicated technical support, service and repair teams.