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Measure, graph and record three sensor types with one tool
The 1524 Reference Thermometer measures, graphs, and records PRTs, thermocouples, and thermistors. This thermometer readout delivers exceptional accuracy, wide measurement range, logging, and trending, all in a handheld tool you can take anywhere.
The 1524 lets you handle field applications, laboratory measurements, and data logging with ease. And with the dual channel measurement capabilities of the model 1524, you can do twice the work in half the time.
Three sensor types

  • PRTs: –200 °C to 1000 °C
  • Thermocouples –200 °C to 2315 °C
  • Precision thermistors: –50 °C to 150 °C

Accuracy

  • PRTs: up to ±0.011 °C
  • Thermocouples: ±0.24 °C for J,K,L,M
  • Precision thermistors: ±0.002 °C

Fast mode

  • PRTs: 0.45 seconds per sample
  • Thermocouples: 0.3 seconds per sample
  • Precision thermistors: 0.3 seconds per sample

Graphical display

  • 128x64 backlit LCD graphic display
  • Plot and scale trends in real time
  • Simultaneous dual channel readings


  • Accuracy: ≤1/8 in at 30 ft. (≤3 mm @ 10 m)
  • Green laser beam
  • Point laser direction: 90° up, down, left, right, forward
  • Durable pendulum lock platform.
  • IP54 rating to limit dust and water entry for years of operation on the job site.


Accurate enough for lab use, and rugged and portable enough to take anywhere
  • Best-performing industrial heat sources (accuracy, stability, uniformity) in the world
  • Immersion depth to 203 mm (8 in)
  • Optional ITS-90 reference input reads PRTs to ±0.006 °C
  • Temperature range from –45 °C to 700 °C


  • Two-in-one IR and contact thermometer with a 30:1 distance-to-spot ratio
  • Measures temperatures from -40°C to 650°C (40°F to 1202°F)
  • Makes it easy to access advanced features with the soft-key buttons and graphical display
  • Features rugged, ergonomic design that stands up to tough industrial, electrical, and mechanical environments
  • Works with most K-type thermocouples


The 4180 Series of Precision Infrared Calibrators for infrared thermometers and thermal imagers is fast, accurate, and easy to use. It comes with an accredited calibration from one of the world’s most trusted temperature calibration laboratories, sample calibration procedures for Fluke thermometers built right in and everything you need to get started making high-quality infrared thermometer calibrations. This is the perfect solution for any infrared thermometer or thermal imager within its temperature range.
The 4180 reaches temperatures from –15 °C to 120 °C and the 4181 has a temperature range from 35 °C to 500 °C. Uniformity is important in infrared temperature calibration work because an infrared thermometer will “see” as much as the entire target when placed at the appropriate calibration distance.
In addition, with accuracies as good as ±0.35 °C the 4180 Series can meet its specifications without additional emissivity-related corrections, leading to legitimate test uncertainty ratios (TUR) as good as 4:1.