Multigas Option

The Multigas option enables the AccuPyc to use up to four different gases. The Multigas assembly consists of:

  • Valve assembly and two retaining screws
  • Gas entrance tubing for connection from the analyzer to the valve assembly
  • Gas supply tubing for four gases

Install the Multigas Assembly

  If a gas is attached to the gas inlet on the rear panel of the analyzer, close the gas cylinder valve and remove the inlet tubing from the analyzer before installing the multigas assembly. The gas can then be attached to one of the inlet valves on the assembly.
  1. Remove the two retaining screws on the rear panel of the AccuPyc.
  2. Position the valve assembly against the rear panel so that the retaining screw holes on the valve assembly align with those on the rear panel of the analyzer.
  3. Attach the valve assembly to the rear panel using the two screws included in the multigas kit.
  1. Carefully cut and remove the cable ties holding the gas entrance tubing in position and remove the ties.
  2. Remove the protective caps from the ends of the gas entrance tubing, then remove the ferrules from the upper end of the tubing.
  3. Remove the nut from the center port and slide it onto the end of the gas entrance tubing, then replace the front and rear ferrules.
  4. Insert the tubing into the center port of the multigas assembly. Use the nut to secure the tubing to the assembly.
  5. Insert the other end of the tubing into the gas inlet. Use the self contained swage nut to secure the tubing to the inlet.

Connect Gases

  1. Connect one end of the gas supply tubing to the gas supply. See Instrument Components.
  2. Insert the other end of the tubing into one of the valve inlets on the multigas assembly.
  3. The faceplate of the valve assembly contains four sections; one for each gas inlet on the assembly. Write the name of the gas in the applicable section.

Select Gases

After installing the gases, use the knob to select the gas. Purge the gas lines when changing gases.

 
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