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718Ex 30G/100G/300G
Users Manual
6
• Model 718Ex 30G: 30.000 psi, 206.85 kPa, or 2.0685 bar. OL appears at 33 psi.
• Model 718Ex 100G: 100.00 psi, 689.5 kPa, or 6.895 bar. OL appears at 120 psi.
• Model 718EX 300G: 300.00 psi, 2068 kPa, or 20.68 bar. OL appears at 360 psi.
• When measuring the pressure of potentially hazardous gases, care must be taken to minimize the
possibility of leakage:
• Confirm that all pressure connections are properly sealed.
• Confirm that the Pressure/Vacuum Release Control is in the closed position (fully clockwise) and
the Pressure/Vacuum switch is in the + position (fully clockwise).
• If the Calibrator has been dropped or subjected to rough handling, remove the Calibrator to a safe
area and check for leaks to confirm the integrity of the internal pneumatic components.
• Do not use a Model 718Ex (including 718Ex 300G) to measure potentially hazardous gases at pressure
greater than 100 psi (6.9 bar).
W Caution
To avoid mechanically damaging the Calibrator:
• Do not apply torque between the pressure fitting and the Calibrator case. See Figure 1 for the proper
use of tools.
• To avoid damage to the pump, use with dry air and non-corrosive gases only.
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