pH/mV Temperature Meter
430-020
3 9907X0088 Issue 2
1
Safety
Please read this information carefully prior to installing or using this
equipment.
1.1 The unit described in this manual is designed to be operated only by
trained personnel. Any adjustments, maintenance and repair must be
carried out as defined in this manual, by a person qualified to be aware
of the hazards involved.
1.2 It is essential that both operating and service personnel employ a safe
system of work, in addition to the detailed instructions specified in this
manual.
1.3 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 the warranty and may incur additional charges for repair.
1.4 References should always be made to the Health and Safety data
supplied with any chemicals used. All available information, advice and
warnings on the handling, storage, use and disposal of such must be
carefully observed. Generally accepted laboratory procedures for safe
handling of chemicals should be employed. Suitable safety and
personal protective equipment must be used at all times.
1.5 If it is suspected that safety protection has been impaired in any way,
the unit must be made inoperative and secured against any intended
operation. The fault condition should immediately be reported to the
appropriate servicing authority.
2
Introduction
2.1 General
The 430-020 is a general purpose hand-held pH/mV and temperature meter
offering 2 point calibration and automatic buffer recognition. This model
simultaneously displays either temperature compensated pH readings or
electrode potential and temperature.