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The 721Ex can be configured by selecting either a 16 PSI (1.1 bar) or 36 psi (2.48 bar) low pressure sensor then add any of 7 high pressure ranges including 100, 300, 500, 1000, 1500, 3000 or 5000 psi (6.9, 20, 24.5, 69, 103.4, 200, 345 bar).

  • Intrinsically Safe (721Ex version only) – IECEx and Atex Ex ia IIB T3 Gb (Zone 1)
  • Ideal for gas flow calibration (custody transfer) applications
  • Two isolated, stainless steel, pressure sensors with 0.025 % accuracy
  • Pt100 RTD input for temperature measurement, (probe optional)
  • Switch test on both pressure inputs
  • Pressure displayed in the user’s choice of 19 engineering units
  • Large backlit graphic display can display up to three inputs simultaneously
  • Store five instrument setups for recall and use


  • Lightweight, portable, and fast
  • Built-in two-channel readout for PRT, RTD, thermocouple, 4-20 mA current
  • True reference thermometry with accuracy to ±0.01 °C
  • On-board automation and documentation
  • Metrology performance in accuracy, stability, uniformity, and loading


  • Contact and non-contact thermometer in one
  • Measures temperatures from -40°C to 800°C (-40°F to 1472°F) accurate to +1.0°C or +1.0% of reading (whichever is greater)
  • Features rugged, ergonomic design that stands up to tough industrial, electrical, and mechanical environments.
  • Offers a distance-to-spot ratio of 50:1
  • Works with most K-type thermocouples


Discover sources of electrical energy waste, identify energy savings opportunities, and conduct load studies.
  • Key measurements: Automatically capture and log voltage, current, power, power factor, energy and associated values
  • Convenient instrument powering: You can power the instrument directly from the measured circuit instead of mains outlets
  • Highest safety rating in the industry: 600 V CAT IV/1000 V CAT III rated for use at the service entrance and downstream


  • Voltage detection from 90 to 1000 V AC, suitable for a wide range of residential, commercial and industrial needs
  • Always on, using special low power circuitry to sustain battery life and ensure your 2AC is always ready
  • Innovative 'Battery Check' button function ensures battery is in good condition*
  • CAT IV 1000 V overvoltage rated product for best in class user protection
  • Expanded range: 90 V AC to 1000 V AC
  • Integrated clip design, optimized for pocket storage
  • Powered by 2x AAA batteries (included)
  • Fluke ruggedness and reliability
  • Two-year warranty
* Use of Battery Check function is optional and for convenience only, it is not intended as a substitute for checking the unit on a known live source before and after use.