02
2 Basic Operation
2.1 Battery — ( 200 Series )
PH200 / CON200 / DO200
Use a coin to remove the battery cover by following the "-"
direction.
Insert 2*1.5V 7AAA batteries in the battery compartment with
The correct Positive and Negative poles.
Tight the battery cover by following the "+" direction.
2.2 Electrode Installation
You can refer to the Electrode operation manual for use and maintenance. The direction of the red
dot marker on the Electrode and the salient point on the unit should be the same when install the
electrode to the unit. Remove the electrode by pulling out the clamp on the electrode.
PH200 / PH500
CON200 / DO200 / CON500 / DO500
2.3 Shell
This series of meter is portable . If the meter accidentaly touches water or other fluids, please wipe
it clean immediately. The meter function is not affected usually. But if affected and cannot use.
please contact our company or CLEAN local customer service center. They will be very glad to help
you.
2.4 Power on/off and Backlight
Power on
Short press power on/off key to start the meter. The whole screen displayed within 1 second.
Power off
Long press the power on/off key to power off the meter.
Auto power off in 10 minutes if without any operation.
LCD backlight
Short press power on/off key to control if turn on the backlight or not.
Need help?
Do you have a question about the PH200 and is the answer not in the manual?