Dual-range digital thermometer for measuring temperature in test-tubes, beakers, and other laboratory equipment;Measures temperature from -50 to 300 degrees C (-58 to 572 degrees F), with an accuracy of + or - 1 degree C between -30 and 250 degrees C;7.5 stainless-steel probe is resistant to most chemicals;LCD with 0.75 digits for increased visibility;Calibrated to ISO 17025 traceability standards for reliability of measurements