12
MA300TS-0210
(4) Water temperature adjustment
* The water temperature is adjusted at the time of shipment, so
normally, this procedure is not required.
If the deviation of the sample water’s temperature is a concern, the water temperature display can be adjusted manually
using a standard thermometer. The temperature can be adjusted in the range of
-5°C to +5°C
from the currently
displayed temperature.
Step 1. Prepare water at a temperature similar to the sample water currently being
measured in a constant temperature bath, etc.
Set the oxygen sensor (WA-BRM5) and standard thermometer in the
prepared water.
Mix with a stirrer, etc., and allow the water to stabilize for approx. 5 minutes.
Ensure that the water temperature sensor section of the oxygen sensor is
completely submerged in the water.
(The sensor is not completely waterproof, so do not submerge the entire sensor.)
Step 2. Turn the PACK MASTER power ON, and press
on the O
2
Measurement Standby screen or DO MEASURE screen.
The MENU screen opens, and “CAL” is selected (flashes).
Step 3. Press twice.
The cursor moves, and “FUNC” is selected (flashes).
Step 4. Press .
The FUNC MENU screen opens, and “CLOG CHECK” is selected
(flashes).
Step 5.
Press four times.
The cursor moves, and “WTR TEMP ADJ” is selected (flashes).
Step 6. Press .
The “DO°C1-P ADJUST” screen opens.
Step 7. Change the water temperature to be adjusted with the following steps.
Press . The cursor will move in the order of
→
→
→
→
. When is pressed,
the cursor function will activate.
<Cursor functions>
The water temperature display is
increased by 0.1°C.
The setting is returned to the factory default
setting.
The water temperature display is
decreased by 0.1°C.
Adjustment of the water temperature is
canceled.
The input water temperature value is saved in the main unit, and the FUNC MENU screen opens.
Step 8. Select , , or , and then press .
The process to save the water temperature adjustment value is completed or canceled (initialization is completed
when initializing), and then the FUNC MENU screen opens.
Submerge
to this line
WA-BRM5
Water
temperature
sensor
<Display example>
