Control Traceable 6400 Memory-Card Refrigerator/Freezer Thermometer with External Bottle Probe, -30°C to 70°C (-22°F to 158°F) Range
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<b>[Product Information]</b><br>
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<li>Thermometer captures 5.9 million readings (over 10 years of minute by minute readings) with 256 mb removable SD memory card</li>
<li>Memory card text file shows date, time-of-day, and sensor readings in a single line. USB memory card reader plugs directly into Windows and Mac—no software to install</li>
<li>Sealed bottle sensor is insulated from rapid temperature changes when refrigerator door is opened</li>
<li>Solution in sealed bottle is GRAS—generally recognized as safe by FDA.</li>
<li>Calibration certificate gets expired in two years. Users need to get service performed every two years and obtain an updated certificate.</li>
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