Martel Electronics MasterCAL - Manual (Page 17)

Calibrator
Safety Information
7
Safety Information
This calibrator is designed and tested in accordance
with IEC1010-1 and CAN/CSA C22.2 No.
1010.1-92. Use the calibrator only as specified in
this manual, otherwise the protection provided by
the calibrator may be impaired.
Symbols used on the calibrator and in this manual
are explained in Figure 2.
AC-Alternating Current
DC-Direct Current
CAUTION see explanation in manual
Overvoltage (Installation) Category II , Pollution Degree 2 per
IEC 1010-1 refers to the level of Impluse Withstand Voltage protection
provided. Typical locations include; Mains Wall outlets, local appliances
and PORTABLE EQUIPMENT.
Fuse
Common (LO) Input equipotentiality
Recycling
Pressure
ON/OFF
Equipment protected throughout by DOUBLE INSULATION or
REINFORCED INSULATION
Conforms to relevent European Union directives.
Conforms to relevent Canadian Standards Association directives.
CAT II
gj56f.eps
Figure 2. Definition of Symbols