Preface, Scope, Related instructions – Parr Instrument Series 3900 User Manual
Page 3: Safety information, Product line

Product Line
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Preface
Scope
These instructions describe the installation, opera-
tion and maintenance of Parr 3911 or 3921 Hydro-
genators offered with bottle sizes of 250, 500, 1000,
1700, 2000 or 2250 mL. They cover the basic steps
to be followed when installing these reactors and
describe the function of all standard components.
They are intended to be used in conjunction with
several related instruction sheets listed below. This
information describes several components that are
common to most Parr pressure reaction equipment,
and includes safety precautions and other related
information applicable to all reaction laboratories.
The users should study all of these instructions
carefully before starting to use these hydrogenators
so that they will fully understand the capabilities
and limitations of the equipment.
Related Instructions
The following Parr publication is also included to
further your understanding of this instrument and
its component parts:
No.
Description
201M
Limited Warranty
311M
Supplemental Instructions for the Parr
4833 Controller
448M
CAL 9500P Manual
Safety Information
To avoid electrical shock, always:
1. Use a properly grounded electrical outlet of cor-
rect voltage and current handling capability.
2. Ensure that the equipment is connected to elec-
trical service according to local national electri-
cal codes. Failure to properly connect may create
a fi re or shock hazard.
3. For continued protection against possible haz-
ard, replace fuses with same type and rating of
fuse.
4. Disconnect from the power supply before main-
tenance or servicing.
To avoid personal injury:
1. Do not use in the presence of fl ammable or com-
bustible materials; fi re or explosion may result.
This device contains components which may
ignite such material.
2. Refer servicing to qualifi ed personnel.