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Precision when you need it for infrared temperature calibration
  • Certify IR pyrometers from –30 °C to 500 °C (–22 °F to 932 °F)
  • Large 57 mm (2.25 in) blackbody target
  • RTD reference well for contact temperature measurement
  • Small, compact design


Measure, graph and record three sensor types with one tool
The 1523 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 1523 lets you handle field applications, laboratory measurements, and data logging with ease.
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 second 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


  • Full featured multimeter that also reads results wirelessly from remote Fluke Connect® wireless modules
  • Measures AC and DC voltage to 1000 V, AC and DC current, and temperature
  • Shows up to four readings simultaneously on a bright white backlit display
  • Sends measurement data to your smartphone
  • Safety rated CAT III 1000 V, Cat IV 600 V; IP54


  • Powerful loop calibrator that provides a very cost effective, integrated solution for calibration, repair, and maintenance of milliamp loops
  • Provides simultaneous mA and % readout for quick, easy interpretation of readings.
  • Delivers mA accuracy of 0.02%
  • Features push button 25% steps for fast, easy linearity checks


The Fluke 975 offers an unparalleled featureset for HVAC and facilities technicians, helping them work more quickly and accurately, with the ease of use and durability customers expect from a Fluke meter.
  • Simultaneously measures, logs, and displays temperature, humidity, CO 2 , and CO on a bright, backlit LCD display
  • One-touch air flow and velocity with available probe*
  • Wet bulb and dew point temperature
  • % of outside air calculation
  • CO 2 and CO field calibration feature
  • Self-test function at startup
  • Auto-backlight
  • Automatically compensates for barometric pressure changes
  • Min/Max/Average on all measured and calculated readings
  • Multi-language user interface
  • Metric or standard units
  • Audible and visual threshold alarms
  • Extensive discrete or continuous data logging capacity, downloadable to PC via USB interface
  • Keypad lock for security
  • Included FlukeView Forms® software
*Included with Fluke 975V, optional with Fluke 975