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The FLUKE FLUKE-725 US is a multifunction process calibrator designed for sourcing, simulating, and measuring the signals most commonly found in industrial process control systems. It handles DC current up to 24 mA, resistance up to 3200 ohms, frequency up to 10 kHz, and DC voltage up to 30 volts. The unit supports 10 thermocouple types and 7 RTD types, making it a versatile single-instrument solution for loop calibration work. Instrumentation technicians, HVAC controls specialists, and industrial maintenance professionals use this calibrator for field verification and bench work on transmitters, sensors, and control loops.
The FLUKE-725 US is suited for residential and commercial HVAC controls applications as well as broader industrial process instrumentation environments. Typical use cases include calibrating pressure transmitters, temperature sensors (thermocouple and RTD), milliamp loop signals, and frequency-output devices. Its broad signal coverage makes it appropriate for multi-discipline service calls where a technician needs one instrument to cover current, voltage, resistance, and temperature simulation without carrying multiple tools.
Designed as an OEM-style replacement or field calibration instrument for process control loops, transmitters, and temperature sensors requiring milliamp, voltage, resistance, and frequency signal sourcing or measurement.
This calibrator is used by instrumentation technicians and licensed HVAC controls professionals. Before connecting to any live loop, de-energize or isolate the circuit per site lockout-tagout procedures. Use appropriate test leads rated for the voltages present. When simulating signals into a running control system, confirm the system is in manual or safe mode to prevent unintended process changes.
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