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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 51 II Single Input Digital Thermometer 1
Fluke 53 II Single Input Digital Thermometer with Data Logging
Fluke 51 II Handheld Digital Probe Thermometer53 II Temperature Logging Digital 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, N, R, S 
Number of inputs11 
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)900 °C (+1600 °F) 
Do you need more than 1 % 1 °C (2 °F) accuracy?  
Do you need to download data for analysis and reporting?  
Do you need on-board memory for trending and comparison?  
Non-contact temperature range500 °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) 
Battery3 AA3 AA 
Warranty3 years3 years 
Temperature areaSurface temperatureInternal, ambient and non-contact surface temperature 
Do you want to use industry standard thermocouples?   
Time stampRelativeTime of day 
Min-Max-Avg-DifMin-Max-Avg-DifMin-Max-Avg-Dif 
Hands-free logging  
Number of on-board memory locations500 
PC download and softwareFlukeView Forms 
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