Functional Description; Operation; Otz (One Time Zero) - EVOQUA WALLACE & TIERNAN P7 ADVANCED Mode D'emploi

P7 Advanced

Operation

On
Switch the unit on using the [ON/OFF] key.
Off
METHOD
The display shows the following:
Select the required test using the [MODE] key.
Mode
Scroll Memory (SM)
To avoid unnecessary scrolling for the required test method, the instru-
ment memorizes the last method used before being switched off. When
the instrument is switched on again, the scroll list comes up with the
last used test method first.
METHOD
The display shows the following:
Fill a clean vial with the water sample up to the 10 ml mark, screw
the cap on and place the vial in the sample chamber making sure that
the
Zero
Press the [ZERO/TEST] key (see OTZ).
Test
The "Method" symbol flashes for approx. 8 seconds.
METHOD
The display shows the following:
0.0.0
After zero calibration is completed, remove the vial from the sample
chamber. The characteristic coloration appears after the addition of
the reagents.
Replace the cap on the vial and place in the sample chamber making
sure that the
Press the [ZERO/TEST] key.
Zero
Test (For Countdown /reaction period see page 37)
METHOD
The "Method" symbol flashes for approx. 3 seconds.
RESULT
The result appears in the display.
The result is saved automatically.
Repeating the test:
Zero
Test Press the [ZERO/TEST] key again.

OTZ (One Time Zero):

The zero setting is held in memory until the instrument is switched off.
It is not necessary to perform a new zero each time, if the water sam-
ples under test are from the same body of water and the conditions
of testing are the same.
The zero setting can be repeated each time if necessary.
Repeating the zero:
Zero
Test
Press the
38
marks are aligned.
marks are aligned.
[ZERO/TEST] key for 2 seconds.

Functional description

WT.050.311.000.DM.IM.0119