• Relative time clock on MIN, MAX, and AVG provides a time reference for major events
  • Electronic Offset function allows compensation of thermocouple errors to maximize overall accuracy
  • Measures J, K, T, R, S, N and E-types of thermocouples
  • Readout in ºC, ºF, or Kelvin (K)
  • Splash and dust resistant case protected by impact absorbing holster
  • Large backlit dual display shows any combination of T1, T2 (52 and 54 only), T1-T2 (52 and 54 only), plus MIN, MAX, or AVG.
  • Recall function allows logged data to be easily reviewed on the meter display
  • USB communication port allows data to be exported to optional FlukeView Forms Temperature PC software for further analysis and graphing
  • Data Logging up to 500 points of data with user adjustable recording interval

The Fluke 53 II B contact thermometer and data logger offers fast response and laboratory accuracy (0.05% + 0.3°C) in a rugged, handheld test tool

Specification Fluke 53 II B
Temperature accuracy Above -100 °C: J, K, T, E, and N-type: ±[0.05% + 0.3°C] R and S-type: ±[0.05% + 0.4°C] Below -100 °C: J, K, E, and N-types: ±[0.20% + 0.3°C] T-type: ±[0.50% + 0.3°C]
Temperature J-type: -210 °C to 1200 °C K-type: -200 °C to 1372 °C T-type: -250 °C to 400 °C E-type: -150 °C to 1000 °C N-type: -200 °C to 1300 °C R and S-type: 0 °C to 1767 °C
Temperature scale ITS-90
Applicable standards NIST-175
Display Resolution 0.1 °C, 0.1 K < 1000 1°C, 1 K >=1000
Environmental Specifications
Operating Temperature -10 °C to 50 °C
Storage Temperature -40 °C to 60 °C
Humidity (Without Condensation) 0% to 90%; 0 °C to 35 °C 0% to 70%; 0 °C to 50 °C
Safety Specifications
Overvoltage category CSA C22.2 No. 1010.1 1992; EN 61010 Amendments 1,2
Agency Approvals CE, CSA, TÜV (pending)
Mechanical and General Specifications
Size 173 mm L x 86 mm W x 38 mm
Weight 400 g
Batteries 3 AA batteries; typical 1000-hour life