Chandler Engineering AMETEK 7200, Инструкция по эксплуатации

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2-10 SECTION 2 – OPERATING INSTRUCTIONS
Mode button
Set the Mode control button to Manual mode so that you can click on the ON/OFF button
(next to the two valve pictures on this main screen) to open the valve and click to manually
close the valve (
H
2
O Confining Valve and Gas Injection Valve ). See Figure 1.
Setting the Mode control button to Auto (Press.) mode makes the manual valve ON/OFF
buttons unusable, and the software automatically closes the H
2
O Confining Valve and opens
the Gas Injection Valve when the Pore Pressure decreases to become equal to the user-
entered Minimum Pore Pressure value. This mode is for use when conducting a test
according to the Procedure 2 of Type 3 experiment (see the discussion of “Basi c Tests
Performed with the model 7200 CHA, ” later in this sec tion). See Figure 5 below.
Setting the Mode control button to Auto (Temp.) mode makes the manual valve ON/OFF
buttons unusable, and the software automatically closes the H
2
O Confining Valve and opens
the Gas Injection Valve when the Cement Temperature increases to become equal to the
user-entered Oven Temperature Set Point value. This mode is for use when conducting a
test according to the Procedure 1 of Type 3 experi ment (See the discussion of “ Basic Tests
Performed with the Model 7200 CHA, ” later in this section.). See Figure 6 below.
Figure 5 - Main screen with Auto (Press.) mode chosen