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Phone+44 (0) 1344 459314 Contact Instrument Solutions

Fluke 50 series

Available for hire

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Fluke 50 Series II contact thermometers offer fast response and laboratory accuracy (0.05% + 0.3°C) in a rugged, handheld test tool.

Available in four versions, single and dual thermocouple inputs, with and without data logging capability.

Product Features

  • 4 model types
  • Range of accessories
  • Calibration options
  • Document downloads

Instrument product options

1. Select a model (4 available)

Continue to select accessories

2. Select accessories

3. Select a calibration



  • 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
  • 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, and E-types of thermocouples
  • Readout in ºC, ºF, or Kelvin (K)
  • Splash and dust resistant case protected by impact absorbing holster
  • User friendly front panel is easy to set up and operate
  • Sleep mode increases battery life; typical 1000-hour battery life
  • Battery door allows easy battery replacement without breaking the calibration seal
  • Optional ToolPak accessory allows the thermometer to hang from any metal object (with the rare earth magnet) or secure around a pipe (with hook-and-loop straps) for hands-free operation.
  • 3 year warranty

Important note Only the Fluke 52 II verion is available for hire with a range of probes and extension leads. These items do not come with a bead type probe as detailed within the sales section of the web site.


Measurement 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]

Display resolution
0.1°C / °F / K < 1000°
1°C / °F / K > 1000°

Measurement range
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*

* Only the Fluke Models 53 II B and 54 II B thermometers are capable of measuring N, R, and S-type thermocouples



Fluke 51 and 52 II series user manual

  • Technical Document
  • PDF file
  • 288 KB

Fluke 51-54 series overview

  • Technical Document
  • PDF file
  • 288 KB

Fluke 53 and 54 II series user manual

  • Technical Document
  • PDF file
  • 215 KB

Fluke 80PK-1 probe technical specification

  • Technical Document
  • PDF file
  • 15 KB
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