Product Overview: Fluke 707EX Intrinsically Safe MA Loop Calibrator
The Fluke 707EX Loop Calibrator combines safety, accuracy, and efficiency in one compact tool. Technicians can source, measure, and simulate 4–20 mA signals with ease, even in hazardous areas. The unique Quick-Click knob makes fine-tuning fast and simple, while built-in loop power eliminates the need for extra gear when testing transmitters. Rugged enough for tough industrial sites and certified safe for explosive zones, the Fluke 707EX gives you the confidence to complete loop calibration and troubleshooting tasks quickly, accurately, and safely.
Features:
- One handed operation
- Large display
- Simple, quick-click push rotary button for easy one-handed operation
- Simultaneous mA and % readout for quick, easy, interpretation of readings
- mA accuracy of 0.015%
- 1µA resolution for mA source, simulate and measure
- Push button with 25% steps for fast, easy linearity checks
- 0-100% ‘span check’ for fast confirmation of zero and span
- Selectable slow ramp, fast ramp, and step ramp to provide smooth outputs for valve slewing and loop functional tests
- Internal loop supply, so you can power and read a transmitter at the same time without carrying a DMM
- Measures Vdc to 28 V
- Single 9 V battery that is easily changed
- 0-20 mA or 4-20 mA default start up modes
- Innovative output adjustment dial with 1 µA and 100 µA resolution
- HART compatible resistance is connected in series with the loop supply for compatibility with HARD communicators
- Intrinsically Safe
- For use in explosion endangered areas
- Certified in accordance with the ATEX directive (EX II 2 G Eex ia IIC T4) in Zones 1 and 2







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