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  • Rugged, high-quality pressure gauge calibrator for fast and accurate test results
  • Delivers precision pressure measurements in 23 ranges from ±10 inH2O/20 mbar to 10,000 psi/690 bar
  • Delivers high accuracy—0.05% total measurement uncertainty for one year
  • Provides bright backlit display for easy viewing
  • Features rugged, durable design with protective holster


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.


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


Hart Scientific manufactures these Micro-Baths for calibration of thermometers and sensors that do not fit in block calibrators.


  • Long nose pliers with side cutter and gripping zones
  • Unique milled wave pattern gripping zones
  • 4 gripping points for pulling round objects with superior grip that won't slip
  • Certified to 1000 V ac, 1500 V dc
  • Straight, half-round, long and slim knurled jaws, specially profiled
  • Side cutting edge for wire cutting
  • German chromium-molybdenum-vanadium steel