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Calibration Equipment • Voltage & Current Calibrators Fluke
Process Calibrator/Digital Multimeter Fluke 789 FEATURES
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• 24 V Loop power supply • Very large dual display
• Enhanced backlight with 2 brightness settings • 1200 Ohm drive capability on mA source • HART mode setting with loop power and a built-in 250 ohm resistor • 0% and 100 % buttons to toggle between 4 and 20 mA sourcing for a quick span check • Externally accessible fuses for easy replacement • Infrared-port to process data in FlukeView Forms (V2.1) software • Precision 1000 V, 440 mA True-RMS digital Multimeter • 0.1% dc voltage accuracy • 0.05% dc current accuracy • Frequency measurement to 20 kHz • Min/Max/Average/Hold/Relative modes • Diode Test and Continuity Beeper • Simultaneous mA and % of scale readout • 20 mA DC current source / loop calibrator / simulator • Manual Step (100%, 25%, Coarse, Fine) plus Auto Step and Auto Ramp • Externally accessible battery for easy battery changes
True RMS AC/DC Clamp Meter Fluke 381 FEATURES
• Wireless technology allows the display to be carried up to 30 ft. away from the point of measurement for added flexibility without interference with measurement accuracy
• The removable magnetic display can be conveniently mounted where it is easily seen • iFlex flexible current probe expands the measurement range to 2500 A ac • CAT IV 600 V, CAT III 1000 V
• Integrated low pass filter and state of the art signal processing allows for use in noisy electrical environments while providing stable readings
• Proprietary inrush measurement technology to filter out noise and capture motor starting current exactly as the circuit protection sees it
• Ergonomic design fits in your hand and can be used while wearing protective equipment • Radio transmitter automatically sets the correct measurement range so you do not need to change the switch positions while taking a measurement