For Proper And Safe Use; Definition Of Safety Terms; Description Of Graphic Symbols - Nagano Keiki EJ15 User Manual

FOR PROPER AND SAFE USE

Thank you for purchasing the EJ15 intrinsically safe pressure sensor for high-pressure
hydrogen application. To use this product properly and safely, read this user's manual
carefully. This pressure sensor has passed the type approval test in compliance with IECEx
for intrinsically safe construction, which can be used even in Zone 0 areas where Explosive
Gases are present at all times. Incorrect use may cause malfunction and result in personal
injuries or accidents.
After reading this manual, keep it in a safe place for future reference.

■ Definition of Safety Terms

Safety precautions in this manual are classified according to the following definitions.
DANGER
WARNING
CAUTION

■ Description of Graphic Symbols

Graphical
symbols



Indicates the risk that users may suffer from damage
including death or serious injury, and extremely high
urgency at the time of occurrence of risk.
Indicates the risk that users may suffer from damage
including death or serious injury.
Indicates the risk that users may suffer from minor injury
and the risk that only property damage may be caused.
Generally prohibited activities
Indicates prohibited activities in handling the product.
General instructions
Indicates activities based on instructions that users are forced
to conduct.
Other information
Indicates precautions, special operating methods, and other
important information.
Meaning
2 TY-EJ15-003A Rev.2