Fluke 718Ex Intrinsically Safe Pressure Calibrator

Fluke 718Ex Intrinsically Safe Pressure Calibrator

Fluke 718Ex Intrinsically Safe Pressure Calibrator

Rugged, Compact, and Certified for Hazardous Environments

Product Description Fluke 718Ex Intrinsically Safe Pressure Calibrator

The Fluke 718Ex is a compact, intrinsically safe pressure calibrator designed for use in explosive environments. It integrates an internal hand-operated pump for both pressure and vacuum, simplifying field calibration without the need for additional equipment. With high accuracy and multiple pressure ranges, the 718Ex is ideal for professionals in the chemical, oil, gas, and process industries where safety and precision are paramount.

Key Features Fluke 718Ex Intrinsically Safe Pressure Calibrator

• Intrinsically safe design: Compliant with ATEX II 1G Ex ia IIC T4 and CSA certifications for use in hazardous environments.

• Integrated pressure/vacuum pump: Includes fine adjustment vernier and bleed valve for precise calibration.

• Pressure ranges available: 30, 100, and 300 psi models for internal sensor; external Fluke 700PEx modules expand capability up to 700 bar.

• High accuracy:

  • Internal sensor accuracy up to 0.05% full scale.

  • External module accuracy up to 0.025% full scale.

• Selectable pressure units: Supports psi, bar, mbar, kPa, inH₂O, cmH₂O, mmHg, inHg, kg/cm², etc.

• Current measurement capability: Measures 0–24 mA with 0.02% accuracy and 0.001 mA resolution.

• Pressure switch testing function: Includes Min/Max/Hold modes for diagnostic applications.

• Simple user interface: Intuitive keypad and backlit dual display for simultaneous pressure and current readings.

• Compact and durable: Designed for field use, with rugged construction and a protective holster.

Technical Specifications

Pressure Measurement (Internal Sensor Options):

• 30G model: -830 mbar to 2 bar, 0.0001 bar resolution, 0.05% FS accuracy.

• 100G model: -830 mbar to 7 bar, 0.001 bar resolution, 0.05% FS accuracy.

• 300G model: -830 mbar to 20 bar, 0.0001 bar resolution, 0.05% FS accuracy.

• All internal sensors are suitable for non-corrosive gases only.

External Pressure Module Compatibility:

• Compatible with 29 intrinsically safe Fluke 700PEx modules (2.5 mbar to 700 bar).

• Accuracy up to 0.025% full scale depending on the module.

• Pressure units and media compatibility depend on specific module.

Current Measurement:

• Range: 0–24 mA

• Resolution: 0.001 mA

• Accuracy: 0.02% of reading ± 2 counts

Display:

• Backlit LCD showing 5-digit pressure and current readings simultaneously.

Environmental Specifications

• Operating temperature: -10 °C to 55 °C

• Storage temperature: -40 °C to 60 °C

• Relative humidity (non-condensing):

  • 95% at 10–30 °C

  • 75% at 30–40 °C

  • 45% at 40–50 °C

  • 35% at 50–55 °C

• Altitude: Up to 3,000 meters

Safety Certifications

• ATEX II 1G Ex ia IIC T4

• CSA I.S. Class I, Division 1 Groups A-D, T4

Mechanical and General Specs

• Dimensions: 216 mm x 94 mm x 66 mm (with holster)

• Weight: Approx. 992 g (with holster)

• Battery: 9V alkaline ANSI/NEDA 1604A or IEC 6LR61

• Battery life: 4 to 20 hours, depending on usage

• Shock resistance: Drop-tested from 1 meter

• Vibration: 2 G random, 5–500 Hz

• Warranty: 3 years on the calibrator, 1 year on the pump

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Summary

Overview:
The Fluke 718Ex is a powerful and intrinsically safe pressure calibrator designed for field use in explosive atmospheres. Its built-in pump, wide pressure range options, and precise current measurement make it an all-in-one tool for pressure calibration.

Key Selling Points:

• Certified for hazardous areas (ATEX and CSA)

• Internal pump with fine adjustment simplifies field work

• Measures pressure and current with high precision

• Compatible with Fluke 700PEx pressure modules

• Compact, rugged, and reliable for demanding environments