Pressure Calibrator
The intrinsically safe pressure calibration solution for your transmitters, gauges and switches.
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Product Description
The 718Ex is a powerful intrinsically-safe, self contained pressure calibrator for usage in ex-hazardous areas.
The calibrator is characterized by a multitude of performance features.
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Features
- Built-in pressure/vacuum hand pump, with vernier and bleed valve
- Wide range of selectable measurement units for pressure
- Pressure switch test function
- Min/Max hold functions
Technical Data
- Pressure measurement to 0.05% of full span, using an internal pressure sensor
- Pressure measurement up to 200 bar using any of the 8 intrinsically-safe 700PEx Pressure Modules
| Pressure connection | 1/8 in. NPT pressure fitting |
| Pressure module input | LEMO connector |
| Relative humidity (% rH operating, without condensation) | 95% (+10 °C … +30 °C) (~ +50 °F … +86 °F) 75% (+30 °C … +40 °C) (~ +86 °F … +104 °F) 45% (+40 °C … +50 °C) (~ +104 °F … +122 °F) 35% (+50 °C … +55 °C) (~ +122 °F … +131 °F) |
| Ambient temperature | -10 °C … +55 °C (14 °F … +131 °F) |
| Storage temperature | -40 °C … +60 °C (-40 °F … +140 °F) |
| Operating time | 4 to 20 hours (depending on functions used) |
| Power supply | 1x 6LR61 (type approved) |
| Dimensions | 216 mm x 94 mm x 66 mm (~ 8.5" x 3.7" x 2.6") |
| Weight | 992 g (~ 35 oz) with holster |
Specifications
Measure pressure:
| Model/Art.-No.: | 718Ex 30G 482799 | 718Ex 100G 482800 | 718Ex 300G 482801 |
| Range: | -830 mbar … 2 bar | -830 mbar … 7 bar | -830 mbar … 20 bar |
| Resolution: | 0.0001 bar | ||
| Accuracy: | 0.05% FS | ||
| Over pressure: | 3x FS | 2x FS | 25 bar |
| Media: | Non corrosive gases | ||
| Temperature coefficient: | -10 °C … +18 °C, +28 °C … +55 °C: ±0.01% of range per °C | ||
| Pressure units: | psi, inch H2O (4 °C), inch H2O (20 °C), kPa, cm H2O (4 °C), cm H2O (20 °C), bar, mbar, kg/cm2, mmHg, inch Hg | ||
| with external pressure module of 700PEx series: | up to 200 bar (For specifications please refer to the data sheet for the 700PEx series) | ||
Measure current:
| Range: | 0 mA … 24 mA |
| Resolution: | 0.001 mA |
| Accuracy: | 0.02% of reading ±2 Digits |
| Temperature coefficient: | -10 °C … +18 °C, +28 °C … +55 °C: ±0.005% of range per °C |
Ex Certificates
II 1G EEx ia IIC T4 
- AEx ia IIC T4
- Class I, Division 1, Groups A,B,C,D T4
Scope of Supply
- 718Ex
- Ex-holster
- Test leads
- Test clips
- Batteries
- CD-ROM
- Factory calibration certificate
- Instruction manual
