Power On/Off; Storage; Electrode Surface Treatment - Horiba Scientific LAQUAtwin B-771 Instruction Manual

4.3

Power ON/OFF

 Power ON
1.
Press and hold the ON/OFF switch for
over 2 seconds.
The power is turned ON, and the meter
model number is displayed on the LCD.
 Power OFF
1.
Press and hold the ON/OFF switch for
over 2 seconds.
The power is turned OFF.
4.4

Storage

1.
Clean the sensor with tap water and remove moisture on the sen-
sor and meter with soft cloth or paper.
2.
Close the protection cover, then store the meter.
4.5

Electrode surface treatment

Note
Before using the sensor for the first time, perform electrode surface
treatment.
1.
Put some drops of the moistening solution into the measurement
cell.
2.
Let it sit still for approximately 10 minutes.
3.
Clean the measurement cell with running water.
4.
Wash the measurement cell with the standard solution.
5.
Perform calibration.
8