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- EMC: EN61326-1.
This product complies with requirements of the following European
Community Directives: 89/ 336/ EEC (Electromagnetic Compatibility) and 73/ 23/
EEC (Low Voltage) as amended by 93/ 68/ EEC (CE Marking). However, electrical
noise or intense electromagnetic fields in the vicinity of the equipment may
disturb the measurement circuit. Measuring instruments will also respond to
unwanted signals that may be present within the measurement circuit. Users
should exercise care and take appropriate precautions to avoid misleading
results when making measurements in the presence of electronic interference.
MAINTENACE AND REPAIR
If there appears to be a malfunction during the operation of the meter, the
following steps should be performed in order to isolate the cause of the
problem.
1. Check the battery. Replace the battery immediately when the symbol
"
" appears on the LCD.
2. Review the operating instructions for possible mistakes in operating
procedure.
Except for the replacement of the battery, repair of the meter should be
performed only by a Factory Authorized Service Center or by other qualified
instrument service personnel. The front panel and case can be cleaned with
a mild solution of detergent and water.Apply sparingly with a soft cloth and
allow to dry completely before using. Do not use aromatic hydrocarbons,
Gasoline or chlorinated solvents for cleaning.
pH Probe
Always keep pH probe wet when in storage. The probe is well protected by a
plastic bottle with soak solution in it. To use the probes, rotate the bottle and
remove the bottle away from the probe.
pH probe can be stored in a 3M KCL solution. Never use distilled water for
storage. Always rinse the pH electrode in de-ionized water before next use.
Never touch or rub glass bulb for lasting pH electrode life.
ORP Probe
Preparation:Remove the soaking bottle. Soak the electrode into distilled water
and rinse, then, take out and make dry (Do not rub sensing element forcibly).
Now, the electrode is ready for use.
9
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