Jenway 3540 User Manual
Jenway Equipment
Model 3540
Combined pH & Conductivity Meter
Operating Manual
Safety
This is important information; please read carefully before installing or using this instrument.
1. The Model 3540 pH/Conductivity meter is only for operation by personnel who are trained and
aware of the principles and applications involved in making electrochemical measurements. For
further help and advice please contact your local distributor, e-mail
or visit
www.jenway.com
2. The Model 3540 pH/Conductivity meter is a sensitive electronic measuring instrument designed
for use in a laboratory environment. Careful adherence to the installation instructions must be
observed. If in doubt contact a relevant and competent authority for advice before proceeding.
3. In addition to observing the instructions detailed in the Operating Manual and Service Manual for
this instrument all installation, operating and service personnel must be aware of, and employ, a
safe system of work.
4. Voltage levels hazardous to life are present in this instrument, for personal safety only trained
engineers aware of the risk and avoidance of electric shock should remove protective covers from
the instrument.
5. This instrument is designed for minimal maintenance, which must be carried out carefully following
the procedures detailed in this manual. All safety instructions in these procedures as well as
those defined locally for the area or environment where the work is being carried out must be
observed.
6. Other than for those items defined in the maintenance procedures herein there are no user
serviceable items in this instrument. Removal of covers and attempted adjustment or service by
unqualified personnel will invalidate any warranty and incur additional charges for repair.
7. Reference should always be made to the Health and Safety Data for any chemicals or reagents
used. All available information, advice and warnings on the handling, storage, use and disposal of
such must be carefully observed. When not available this data must be requested from the
supplier before proceeding in any way.
8. It is important that good laboratory practice is observed when handling samples, chemicals,
reagents and ancillary equipment in order to carry out measurement and analysis with this
instrument. Suitable safety and personal protective equipment must be used at all times.
9. If it is suspected that safety protection has been impaired in any way, the instrument must be
made inoperative and secured against any intended operation. The fault condition must be
reported to the appropriate servicing authority. In all such reports the model number and serial
number of the instrument must be quoted.