Electronic Flow Sensing

Electronic flow sensor (EFS) calibration

3.Locate the EFS module and note its labelling: CHANNEL A/ CHANNEL B, IN/OUT. For the channel being calibrated, locate and disconnect its OUT fitting; use two wrenches in opposition to prevent twisting the tubes.

Figure 4-2

Outlet Line, Channel B

Outlet Line, Channel

 

A

EFS Module

Detail, Electronic Flow Sensor (EFS) Module

4.Install the EFS flow•measuringadapter (Part No. 05890•80620)into the female OUT fitting to the EFS module. Connect a bubble flow meter to the adapter.

Allow ample time (up to 1/2•hour)for residual gas within connected plumbing to bleed off. Verify that absolutely no flow is observed at the connected bubble flow meter.

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