1. Precautions for Use
Introduction
Thank you for purchasing the "In-line refractometer PRM-2000α".
The instrument utilizes the refraction created by the interface between the detection section's prism
surface and the sample to continuously measure the refractive index, Brix, concentration and ratio.
Before using your PRM-2000α, read this instruction manual carefully, and understand how to use it. After
reading this manual, keep it on hand for future reference.
In this manual "For safe use" describes the important items necessary for safety. Read it carefully.
For safe use--- Be sure to observe the following.
This operation manual describes the items which you are required to observe in order to use the
PRM-2000α safely, to prevent injury to you and other people and damage to your property. The explanation
of the indications and symbols of those items are as follows. Understand them first and then read the
following pages to use your PRM-2000α correctly.
Explanation of indications
If this indication is neglected and the instrument is handled incorrectly,
serious injury or death may result.
If this indication is neglected and the instrument is handled incorrectly, injury
and/or property damage may result.
Explanation of symbols
This symbol denotes an item of which to be warned or cautioned.
The contents of warning are described in detail in or near the △.
This symbol denotes an action that must not be performed (a prohibited item).
The contents of prohibition are described in detail in or near the ○.
This symbol denotes an action that must be performed. The contents of instruction are
described in detail in or near the ●.
Handling of this instrument
◇ When measuring a substance harmful to the
human body, be aware of its properties and
wear protective gloves, mask, etc.
◇ If the instrument begins to smell abnormally,
overheat, or emit smoke, turn off the power
switch and disconnect the power plug
immediately.Fire or malfunction may result if the
instrument is continued to be used. Ask your
ATAGO distributor for an inspection.
◇ Do not attempt to repair, modify, or disassemble
the instrument yourself.
Improper servicing may result in fire, electrical
shock, or burns.
◇ If the instrument is dropped or is subjected to a
strong shock, have it inspected by an ATAGO
distributor. Fire or malfunction may result if the
instrument is used.
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