Hanna Instruments HI 255 User Manual
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RECOMMENDATIONS FOR USERS
Before using this product, make sure that it is entirely suitable for the
environment in which it is used.
Operation of this instrument in residential areas could cause unacceptable
interferences to radio and TV equipment, requiring the operator to follow all
necessary steps to correct interferences.
The glass bulb at the end of the pH electrode is sensitive to electrostatic
discharges. Avoid touching this glass bulb at all times.
During operation, ESD wrist straps should be worn to avoid possible damage
to the electrode by electrostatic discharges.
Any variation introduced by the user to the supplied equipment may degrade
the instrument's EMC performance.
To avoid electrical shock, do not use this instrument when voltages at the
measurement surface exceed 24 VAC or 60 VDC.
To avoid damage or burns, do not perform any measurement in microwave
ovens.
Hanna Instruments reserves the right to modify the design, construction
and appearance of its products without advance notice.