Notes before Operation
1.
Notice before operation:
（
1
）
Carefully read the relevant parts of this manual before installation and operation to prevent wrong
operation, measurement error and damage of instrument.
（
2
）
Improper installation and unsuitable flow speed will cause big measurement error, so please read the
installation passage in detail.
（
3
）
This instrument is precise electrochemical measurement, and its installation and operation should be
performed by technicians with relevant professional knowledge.
（
4
）
If for some special conditions, please consult our Technical Department for further details.
2.
Maintenance items:
（
1
）
The indicators’ quality guarantee is one year from the date of purchasing. During this period, if the
meter has quality problems, manufacturer is responsible for maintenance work for free or changes it.
（
2
）
pH and ORP probes are consumer goods which without quality guarantee. Because, the lifespan is based
on the medium and working conditions.
（
3
）
Manufacturer offers the maintenance service for whole life of the sold meters.
（
4
）
If the damage of the meter is caused by the following reasons, it is out of the maintenance service:
A
、
The meter is burned or foundered caused by improper usage and maintenance.
B
、
The meter is refitted or misused without permit.
C
、
The meter is destroyed under the condition out of company’s regulation.
D
、
The relevant damage caused by choosing the wrong type.
E
、
The cable damage and rupture caused by improper installation and usage.
F
、
The incorrect measurement of the probe caused by disconnecting or connecting wires personally.
G
、
The measurement inaccurate caused by privately cutting the probe cable.
H
、
The inner broken wire caused by indiscreetly disassembling.
I
、
The consumptive materials are not within the scope the warranty.
