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 53 II Single Input Digital Thermometer with Data Logging
Fluke 51 II Single Input Digital Thermometer 1
53 II Temperature Logging Digital ThermometerFluke 51 II Handheld Digital Probe Thermometer

Application

Recommended usesLaboratory, quality assurance, process calibration, food safety, HVACLaboratory, quality assurance, process calibration, food safety, HVAC 

Contact

Probe typeThermocouple K, J, T, E, N, R, SThermocouple K, J, T, E 
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) 

Data storage and download

Number of on-board memory locations500 
PC download and softwareFlukeView Forms 

General

What temperature range do you need to measure?900 °C (+1600 °F)500 °C (+932 °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?  

Physical

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 

Measurement Type

Temperature areaInternal, ambient and non-contact surface temperatureSurface temperature 

Special features

Time stampTime of dayRelative 
Min-Max-Avg-DifMin-Max-Avg-DifMin-Max-Avg-Dif 
Hands-free logging  

Other features

Do you want to use industry standard thermocouples?   

Infrared / non-contact

Non-contact temperature range500 °C (+932 °F)