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  • Rugged, reliable basic True-RMS clamp meter
  • Measure AC current up to 400 A, AC/DC voltage to 600V
  • Measure resistance up to 4kΩ, continuity detection ≤ 30Ω
  • Additions from 323 Clamp: Temperature, Capacitance, Backlight


  • Pressure ranges to 60,000 psi (4000 bar)
  • Select from two accuracy classes; 0.02% or 0.015% of reading
  • Includes hand pump and intensifier for generating high pressures
  • Tungsten carbide piston and cylinder provides long term stability and durability
  • Mass set can be trimmed to local gravity FOC


  • 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
  • Infrared 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
  • 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, E, R, S, and N-type thermocouples
  • Readout in °C, °F, 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


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.


  • A rugged, compact insulation resistance tester for residential and commercial electricians
  • Performs insulation tests from 0.01 MΩ to 2000 MΩ
  • Offers two insulation test voltages: 500 V and 1000 V
  • Includes live circuit detection to prevent insulation test if voltage >30 V is detected
  • Measures resistance from 0.01 Ω to 20.00 kΩ