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The 707Ex Intrinsically Safe Loop Calibrator

A fast one-handed tool for loop checks in an Ex area

The 707Ex is an Intrinsically Safe Loop Calibrator for use in explosion endangered areas. The loop calibrator is ATEX certified for hazardous areas classified as zones 1 or 2. The 707Ex is also certified to operate in accordance with Factory Mutual N.I. Class 1, Division 2 areas Group A-D.


The 707Ex allows for simultaneous mA and % readout for quick, easy, interpretation of readings. It has an mA accuracy of 0.015%, a 1 ěA resolution for mA source, simulate and measure. Its push button with 25% steps allows for fast, easy linearity checks and the 0-100% “span check” for fast confirmation of zero and span.
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The 707Ex is an indispensable tool for maintenance engineers in Ex areas. It is easy to use and allows for single-handed operation.

Furthermore, it is lightweight and compact, weighing only 350 grs and measuring 164 x 75 x 47 mm. Its ambient temperature operating range is from -10°C to +50°C. Its 1 x 6LR61 battery (according to IEC, type approved) gives a typical autonomy of 18 hours.

Learn more about our Intrinsically Safe Loop Calibrator and our range of other Calibrators


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