Instrument Markings And Symbols - Thermo Scientific TRACE 1300 Instruction Manual

Preface

Instrument Markings and Symbols

Instrument Markings and Symbols
xviii TRACE 1310 Auxiliary Oven Instruction Manual
The following table explains the symbols used on Thermo Fisher Scientific instruments. Only
a few of them are used on the TRACE 1310 Auxiliary Oven. Those that are used are
designated by an asterisk.
Table 1. Instrument Marking and Symbols (Sheet 1 of 2)
Symbol Description
Direct current
*
Alternating current
Both direct and alternating current
Three-phase alternating current
3
Earth (ground) terminal
Protective conductor terminal
Frame or chassis terminal
Equipotentiality
*
On (supply)
*
Off (supply)
Equipment protected throughout by DOUBLE INSULATION or
REINFORCED INSULATION (Equivalent to Class II of IEC 536)
*
Instruction manual symbol affixed to product. Indicates that the user must
refer to the manual for specific WARNING or CAUTION information to
avoid personal injury or damage to the product.
Caution, risk of electric shock
*
Caution, hot surface
*
Caution, biohazard
In-position of a bistable push control
Out-position of a bistable push control
Thermo Scientific