87 & 89 Series IV
Service Manual
2
Precautions and Safety Information
Use the Meter only as described in the Users Manual. If you do not do so, the protection
provided by the Meter may be impaired.
Read the “Safety Information” page before servicing this product.
In this manual, a Warning identifies conditions and actions that pose hazard(s) to the
user; a Caution identifies conditions and actions that may damage the Meter or the test
instruments.
International Symbols
International symbols used on the Meter and in this manual are explained in Table 1.
Table 1. International Symbols
Symbol
Meaning
Symbol
Meaning
Alternating current
Earth ground
Direct current
Fuse
Alternating or direct current
Conforms to European Union
directives
Refer to the manual. Important
information.
Conforms to relevant Canadian
Standards Association directives
Inspected and licensed by TÜV
Product Services.
Double insulated
Battery
Underwriters Laboratories, Inc.
