Safety Symbols - Omega Engineering CYD201 Operator's Manual

OMEGA Model CYD201/CYD208 User's Manual
Do Not Operate In An Explosive Atmosphere
Do not operate the instrument in the presence of flammable gases or fumes.
Operation of any electrical instrument in such an environment constitutes a
definite safety hazard.
Keep Away From Live Circuits
Operating personnel must not remove instrument covers. Refer component
replacement and internal adjustments to qualified maintenance personnel.
Do not replace components with power cable connected. To avoid injuries,
always disconnect power and discharge circuits before touching them.
Do Not Substitute Parts Or Modify Instrument
Do not install substitute parts or perform any unauthorized modification to
the instrument. Return the instrument to an authorized OMEGA Cryotronics,
Inc. representative for service and repair to ensure that safety features are
maintained.
1.5

SAFETY SYMBOLS

Direct current (power line).
Alternating current (power line).
Alternating or direct current (power line).
Three-phase alternating current (power line).
Earth (ground) terminal.
Protective conductor terminal.
Frame or chassis terminal.
On (supply)
Off (supply)
Equipment protected throughout by double insulation or
reinforced insulation (equivalent to Class II of IEC 536 - see
annex H).
Caution: High voltages or temperatures. Background color:
Yellow; Symbol and outline: Black.
Caution or Warning - See instrument documentation.
Background color: Yellow; Symbol and outline: Black.
1-6 Introduction
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