Digital Freezer Thermometer -50C to 70C, Certified

• Triple temperature display with large digit - Current, minimum, & maximum temperatures updates at all times
• Range: -50° to 70° C
• Certified Temperature: -20.0° C
• Audible alarm
• NIST Traceable
• Each thermometer individually serialized
• Certificate provided with 1 critical temperature certified
• Accuracy +/- 0.5°C; Resolution 0.1°C & F
• Temperature probe with 5 mL vaccine bottle filled with Bio-Safe Glycol/Water
• Bottles and thermometers have double magnets
• °C and °F Switchable
• Supplied with AAA alkaline battery
• Thermometer can be used to monitor ambient temperatures

The Triple display digital thermometer simultaneously shows the current, minimum, and maximum temperatures and updates continuously. An audible alarm will sound when the temperature rises above or goes below the set temperatures. The minimum/maximum feature monitors critical temperature for any period of time, such as overnight or weekend. Reset buttons on front panel.
Each thermometer is certified and traceable to NIST and is supplied with a certificate with one critical temperature value calibrated with the reported results. Each thermometer is serialized.
The thermometer probe is housed in an unbreakable plastic bottle or vial filled with a buffering media which maintains the thermometer reading when the instrument door is opened. The thermometer and the bottle housing the probe have dual magnets allowing attachment to doors or walls of the instrument.
Other features include a flip-open stand, wall mounting key hole, and supplied with a AAA alkaline battery. The instrument is °C and °F switchable.