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 54 II B Dual Input Digital Thermometer with Data Logging
Fluke 53 II Single Input Digital Thermometer with Data Logging
54 II B Data Logging Thermometer with Dual Input53 II Temperature Logging Digital Thermometer
Non-contact temperature range500 °C (+932 °F) 
Recommended usesLaboratory, quality assurance, process calibration, food safety, HVACLaboratory, quality assurance, process calibration, food safety, HVAC 
Probe typeThermocouple K, J, T, E, N, R, SThermocouple K, J, T, E, N, R, S 
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) 
Number of on-board memory locations500500 
PC download and softwareFlukeView FormsFlukeView Forms 
What temperature range do you need to measure?500 °C (+932 °F)900 °C (+1600 °F) 
Do you need to download data for analysis and reporting?   
Do you need on-board memory for trending and comparison?   
Do you need to save photos of your measurements for your reports?  
Will you do any hands-free, real-time temperature monitoring with a PC?  
Do you need more than 1 % 1 °C (2 °F) accuracy?  
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 temperatureInternal, ambient and non-contact surface temperature 
Time stampTime of dayTime of day 
Min-Max-Avg-DifMin-Max-Avg-DifMin-Max-Avg-Dif 
Hands-free logging   
Will you use the thermometer in a hazardous location where there might be explosive gases?  
Do you want to use industry standard thermocouples?