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Products / ATEX Certified Process Calibrators

The Fluke and Martel ranges of Ex pressure calibrators and modules, pressure test gauges and digital multimeters are rugged,
powerful yet easy-to-use in explosion endangered areas.

Fluke 718 Ex - Ex Pressure Calibrator

The Fluke 718Ex pressure calibrator is a powerful, intrinsically safe, self-contained portable pressure calibrator for usage in explosion endangered areas. About a third of the size of comparable instruments and weighing just two pounds, this compact pressure calibrator is an ideal solution for calibrating transmitters, gauges and switches.

  • Ranges -850 mbar to 20 bar
  • Accuracy ±0.05% full scale
  • Range up to 200 bar using 700PEx external pressure modules
  • ATEX II 1G Ex ia IIC T4 Compliant
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Fluke 700 Ex - Ex Pressure Modules

The 725Ex Intrinsically Safe Multifunction Process Calibrator is powerful yet easy-to-use. Combined with one of the (8) Fluke-700PEx pressure modules, the 725Ex is able to calibrate almost any process instrument likely to need service in an area where explosive gasses may be present.

  • Ranges 25 mbar to 200 bar
  • Gauge, Differential and Absolute ranges
  • For use with Fluke 718 Ex and 725 Ex calibrators
  • ATEX compliant
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Fluke 700G Series - Digital Pressure Calibration Test Gauge

Fluke 700G series precision pressure test gauges are rugged and easy to use, with 23 models ranging from ±10 inH2O/20 mbar to 10,000 psi/690 bar including absolute pressure ranges. When combined with the Fluke 700PTPK or 700HTPK they are a complete pressure testing solution for up to 600 psi (40 bar) with the PTP-1 pneumatic pump and up to 10,000 psi (690 bar) with the HTP-2 hydraulic pump.

  • Nine Models ranging from 1 to 700 bar
  • High accuracy, 0.05% total measurement uncertainty for one year
  • Bright Backlit display for easy viewing
  • ATEX approval (ATEX II 3G Ex nA IIB T6)
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Fluke 87v Ex - Digital Multimeter

The new Fluke 87V Ex has all the measurement and troubleshooting functions of the proven Fluke 87V. Unlike most other ATEX-certified tools, it can be used both inside and outside the hazardous zone (ATEX Zones 1 & 2) without compromising performance or compliance. So there’s no need to carry different tools for use inside or outside the hazardous zones. It also has a built-in thermometer with TC probe, further reducing technicians’ tool counts.

  • True RMS voltage and current, (87V, 87V Ex)
  • Bandwidth 5 KHz (83V), 20 KHz (87V, 87V Ex)
  • Large display with analog bargraph and backlight
  • ATEX Compliant (87V Ex)
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Martel BetaGauge 311A-EX/321A-EX - EX Pressure/ Temperature Calibrators

High Accuracy ATEX Approved Precision Calibrators. The single sensor BetaGauge 311A-EX, or the dual sensor BetaGauge 321A-EX have everything for calibrating pressure anywhere. Gas custody transfer is the ideal application for the accuracy and capabilities of the BetaGau­­ge 321A-EX.

  • Single or dual pressure sensors
  • 25 ranges available up to 700 bar
  • Pressure accuracy up to ±0.025% full scale (depending on range)
  • RTD input range -40°C to 105°C
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Martel BetaGauge PI-PRO - Digital Pressure Calibration Test Gauge

The BetaGauge PI PRO combines the accuracy of digital technology with the simplicity of an analog gauge and achieve performance, ease-of-use, and a feature set unmatched in the pressure measurement world.

  • Pressure ranges 70 mbar to 1035 bar
  • Accuracy ±0.05% full scale
  • Temperature compensated accuracy over 0 to 50°C
  • Rugged IP65 stainless steel case
  • ATEX approval
  • Available as a kit with MECP test pumps
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Martel BetaGauge PIR - Digital Pressure Calibration Test Gauge

The BetaGauge PIR-PRO is a PI Reference Class Digital Pressure Gauge with RS232 Port and Internal Temperature Sensor is available in 8 ranges from 30 psi full scale to 10,000 psi full scale. It can display readings in the user’s choice of any of 18 standard engineering units plus 1 custom user-defined unit. The 5-digit, 0.65″ high LCD display and companion percent-of-range bar graph provide an easy to read display, even from a distance.

  • Pressure ranges -1 to +2 bar (compound), 2, 7, 35, 70, 200, 350 and 700 bar
  • Accuracy ±0.04% of reading, ±0.01% full scale
  • Temperature compensated accuracy over 0 to 50°C
  • Rugged IP65 stainless steel case
  • Available as a kit with MECP test pumps
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Fluke 725Ex - Multifunction Calibrator

The 725Ex Intrinsically Safe Multifunction Process Calibrator is a Powerful Intrinsic Safe Calibration Tool that’s easy-to-use. Combined with one of the (8) Fluke-700PEx pressure modules, the 725Ex is able to calibrate almost any process instrument likely to need service in an area where explosive gasses may be present.

  • ATEX Compliant
  • Measure volts dc, mA, PRTs, thermocouples, frequency and ohms
  • Source or simulate volts dc, mA, PRTs, thermocouples, frequency and ohms
  • Two channel source and measure capability for calibration of transmitters
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Fluke 707Ex - Loop Calibrator

The 707Ex is a fast one-handed tool for mA loop checks in Ex zones, an intrinsically safe loop calibrator for use in explosion endangered areas. The Fluke 707Ex is certified in accordance with the ATEX directive (Ex II 2 G Eex ia IIC T4) in Zones 1 and 2.

  • Measure, source and simulate mA
  • 24 V loop supply with simultaneous current measurement
  • Mains voltage input protection
  • ATEX compliant
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