902B Abs Piezo
Operation manual
4
Safety Information
Symbols used
:
The first symbol below is used throughout this manual to further define the safety concerns associated with
the product. The last two symbols identify other information in this manual that is essential or useful in
achieving optimal performance from the 902B Absolute Piezo transducer.
Caution:
Refer to manual.
Failure to read message could result in personal
injury or serious damage to the equipment or both.
Critical:
Failure to read message could result in damage to the equipment.
Attention:
Calls attention to important procedures, practices or conditions.
General safety information
The safety instructions should always be followed during installation and operation of the 902B Absolute
Piezo transducer. Pass safety information to all users.
Safety Precautions:
Electrical connections.
The 902B must be properly electrically connected in order to
perform according to the specifications.
Output pins are not protected against wrong electrical connections. Wrong electrical
connections can cause permanent damage to the transducer or interference to measuring
performance.
Refer to Electrical connections description page 7.
Fuse.
The 902B power supply input has an internal thermal fuse. The fuse is self-
recoverable and should not be changed.
Explosive Environments.
Do not use the 902B in presence of flammable gases or other
explosive environments.
Corrosive Environments.
The 902B is not intended for use in corrosive environments.
Refer to Transducer installation page 6.
Service and Repair.
Do not substitute parts or modify the 902B transducer other than
described in Service and Repair page 52. Do not install substituted parts or perform any
unauthorized modification to the transducer. Return the instrument to a MKS Calibration
and Service Center for service and repair to ensure all of the safety features are
maintained.
CE marking
The 902B transducer complies with European standards for CE
marking. Refer to Declaration of Conformity page 56.