Product selection guide: Contact thermometers | Fluke
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Product selection guide: Contact thermometers

Use our product selection guide to find the thermometer that fits your needs best.
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Fluke 52 II Dual Input Digital Thermometer
Fluke 51 II Single Input Digital Thermometer 1
Fluke 52 II Dual Probe Digital ThermometerFluke 51 II Handheld Digital Probe Thermometer
Recommended usesLaboratory, quality assurance, process calibration, food safety, HVACLaboratory, quality assurance, process calibration, food safety, HVAC 
Probe typeThermocouple K, J, T, EThermocouple K, J, T, E 
Number of inputs21 
Temperature rangeT-type: -250 °C to +400 °C (-418 °F to +752 °F)T-type: -250 °C to +400 °C (-418 °F to +752 °F) 
What temperature range do you need to measure?500 °C (+932 °F)500 °C (+932 °F) 
Non-contact temperature range500 °C (+932 °F)500 °C (+932 °F) 
Form factorFlatFlat 
Dimensions, approximate (H x W x D)17.3 x 8.6 x 3.8 cm (6.8 x 3.4 x 1.5 in)17.3 x 8.6 x 3.8 cm (6.8 x 3.4 x 1.5 in) 
Warranty3 years3 years 
Battery3 AA 
Temperature areaSurface temperatureSurface temperature 
Time stampRelativeRelative 
Min-Max-Avg-DifMin-Max-Avg-DifMin-Max-Avg-Dif 
Do you want to use industry standard thermocouples?