Fluke - FLUKE-54-2 B 60HZ 54-2 Dual Input Digital Thermometer with USB Recording, 3 AA Battery, -418 to 3212 Degree F Range, 60 Hz Noise Rejection: Science Lab Digital Thermometers: Amazon.com: Industrial & Scientific
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Fluke 52 II Digital Thermocouple Thermometer 95969561242 | eBay
Fluke 51/52 II Thermocouple Digital Thermometer 51-2B – NT Electronics LLC
Fluke 53-2 Single Input Digital Thermometer with USB Recording, 3 AA Battery, -418 to 3212 Degree F Range, 60 Hz Noise Rejection: Multi Testers: Amazon.com: Industrial & Scientific