SAFETY INSTRUCTIONS
The following instructions must be observed.
• This instrument was designed and is checked in accordance with regulations in force EN
60950 (“Safety of information technology equipment, including electrical business equipment”).
A hazardous situation may occur if this instrument is not used for its intended purpose or is used incorrectly.
Please note operating instructions provided in this manual.
• The instrument must be installed, operated and maintained by personnel who have been properly trained.
Personnel must read and understand this manual prior to installation and operation of the instrument.
• This instrument is internally fused. Replace the internal fuse with the following specified type and rating only:
Input Power
Recommended Fuse
115 VAC
160 mA slow blow fuse
230 VAC
80 mA slow blow fuse
12-24 VDC
800 mA slow blow fuse
Disconnect power supply before replacing fuse!
• The manufacturer assumes no liability for damage caused by incorrect use of the instrument or for modifications
or changes made to the instrument.
Symbols Used On Unit
Number
Symbol
Publication
Description
1
IEC 417, No. 5031
Direct current
2
IEC 417, No. 5172
Equipment protected throughout by DOUBLE
INSULATION or REINFORCED INSULATION
(equivalent to Class II of IEC 536–see annex H)
3
ISO 3864, No. B.3.1
Caution (refer to accompanying documents)
Technical Improvements
• The manufacturer reserves the right to modify technical data without prior notice.
Proprietary Notice
The information contained in this publication is derived in part from proprietary and patent data. This information has
been prepared for the expressed purpose of assisting operating and maintenance personnel in the efficient use of the
instrument described herein. Publication of this information does not convey any rights to use or reproduce it or to use for
any purpose other than in connection with the installation, operation and maintenance of the equipment described herein.
Copyright 1995
Printed in USA. All Rights Reserved.
WARNING!
This instrument contains electronic components that are susceptible to damage by static electricity. Proper handling*
procedures must be observed during the removal, installation, or handling of internal circuit boards or devices.
*Handling Procedure
1. Power to unit must be removed.
2. Personnel must be grounded, via wrist strap or other safe, suitable means, before any printed circuit board or other
internal device is installed, removed or adjusted.
3. Printed circuit boards must be transported in a conductive bag or other conductive container. Boards must not be
removed from protective enclosure until the immediate time of installation. Removed boards must be placed immediately
in protective container for transport, storage, or return to factory.
Comments
This instrument is not unique in its content of ESD (electrostatic discharge) sensitive components. Most modern elec
-
tronic designs contain components that utilize metal oxide technology (NMOS, CMOS, etc.). Experience has proven
that even small amounts of static electricity can damage or destroy these devices. Damaged components, even though
they appear to function properly, may exhibit early failure.
