4
Safety Symbol Definitions
Symbol Description Symbol Description
Direct current
Terminal for Line conductor on permanently installed
equipment
Alternating current
Caution, risk of electric shock
Both direct and alternating current
Caution, hot surface
Three-phase alternating current
Caution (refer to accompanying documents)
Earth (ground) terminal
In position of a bi-stable push control
Protective earth (ground) terminal
Out position of a bi-stable push control
Frame or chassis terminal
On (supply)
Terminal for Neutral conductor on
permanently installed equipment
Off (supply)
Terminal is at earth potential(Used for
measurement and control circuits designed to
be operated with one terminal at earth
potential.)
Standby (supply). Units with this symbol are not
completely disconnected from ac mains when this switch is
off. To completely disconnect the unit from ac mains,
either disconnect the power cord or have a qualified
electrician install an external switch.
The WARNING sign denotes a hazard. It
calls attention to a procedure, practice, or the like, which, if
not correctly performed or adhered to, could result in
personal injury. Do not proceed beyond a WARNING sign
until the indicated conditions are fully understood and met.
The CAUTION sign denotes a hazard. It calls
attention to an operating procedure, or the like, which, if not correctly
performed or adhered to, could result in damage to or destruction of part
or all of the product. Do not proceed beyond a CAUTION sign until the
indicated conditions are fully understood and met.
Printing History
The edition and current revision of this manual are indicated below. Reprints of this manual containing minor corrections
and updates may have the same printing date. Revised editions are identified by a new printing date. A revised edition
incorporates all new or corrected material since the previous printing date. Changes to the manual occurring between
revisions are covered by change sheets shipped with the manual. In some cases, the manual change applies only to specific
instruments. Instructions provided on the change sheet will indicate if a particular change applies only to certain
instruments.
Copyright 2001, 2002, 2005 Agilent Technologies Inc. Edition 1 - July, 2001
Update1 - March, 2002
Update2 - January, 2005
This document contains proprietary information protected by copyright. All rights are reserved. No part of this document
may be photocopied, reproduced, or translated into another language without the prior consent of Agilent Technologies.
Information contained in this document is subject to change without notice.
Herstellerbescheinigung
Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenläminformationsverordnung vom 18
Januar 1991. * Schalldruckpegel Lp <70 dB(A) * Am Arbeitsplatz * Normaler Betrieb * Nach EN 27779 (Typprufung).
Manufacturer's Declaration
This statement is provided to comply with the requirements of the German Sound Emission Directive, from 18 January
1991. * Sound Pressure Lp <70 dB(A) *At Operator Position * Normal Operation * According to EN 27779 (Type Test).