The Fluke 709H Precision Current Loop Calibrator combines accurate 4–20 mA loop calibration with HART communication capabilities, allowing configuration, testing, and diagnostics of HART-enabled process instruments. Suitable for laboratory, industrial, and field applications, it enables engineers and technicians to source, measure, and troubleshoot current loops efficiently. Its rugged, portable design ensures reliable performance in demanding environments, while the intuitive interface provides fast, precise, and repeatable calibration.
Key Features:
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Sources and measures 4–20 mA current loops with high accuracy
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Supports HART communication for configuration and diagnostics
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Compact, portable, and rugged for field or lab use
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Dual display for simultaneous measurement and sourcing
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Intuitive interface for efficient calibration and testing
Compatible Systems:
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Industrial process control systems
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HART-enabled transmitters and sensors
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Pressure, temperature, and flow instruments with current loop output
Included Accessories:
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Test leads and connectors
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Protective carrying case
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Instruction manual
Compliance:
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ISO and CE certified
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Suitable for laboratory, industrial, and field calibration
Benefits for Lab Users:
The Fluke 709H ensures precise, repeatable, and efficient calibration and diagnostics of 4–20 mA loops and HART-enabled instruments. Its portability, durability, and ease of use make it ideal for calibration engineers, field technicians, and lab professionals maintaining process instrumentation accuracy and reliability.





