Hach ANATEL PAT700, Operator'S Manual

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PAT700 Total Organic Carbon Analyzer – Diagnostics Page 121
Anatel
Operator Manual
Figure 8-13 Pump calibration dialog box
Test time text box indicates the time in seconds that is used for the test and calibration
functions. The test time is always 30 seconds.
Start test icon opens the pump valve and the grab sample valve, then starts the pump. The
pump runs for 30 seconds, then the pump stops. Both valves then close.
Expected result text is the calculated amount of water that should be measured during the
test. The formula for calculating this value appears below.
Where:
Flow rate = Target flow rate of the pump as entered in the actual results text box.
Test time = Value indicated in the test time text box.
Actual result text box is the actual amount of water that was measured during the test.
Return icon returns you to the diagnostics dialog box.
Cancel icon returns you to the pump test dialog box without saving the test results.
Fan test
The fan test icon allows you to test the analyzer’s fans. The analyzer contains an internal
online heat exchanger that activates to maintain proper water temperature to the analysis cell.
Two fans cool the heat exchanger.
Touching the fan test icon opens the fan test dialog box, where you can cycle the fans on and
off to ensure their proper operation. See
Figure 8-14 .
V
Flow rate
Test time
------------------------ =