
971B UniMag™
4
Operation manual
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 971B UniMag 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 971B UniMag
transducer. Pass safety information to all users.
Safety Precautions
Electrical connections.
The 971B 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 971B power supply input has an internal thermal fuse. The fuse is self
recoverable and should not be changed.
Explosive Environments.
Do not use the 971B in presence of flammable gases or other
explosive environments.
Corrosive Environments.
The 971B is not intended for use in corrosive environments.
Refer to Transducer installation page 6.
Service and Repair.
Do not substitute parts or modify instrument other than described in
Service and Repair page 32. Do not install substituted parts or perform any unauthorized
modification to the instrument. Return the instrument to a MKS Calibration and Service
Center for service and repair to ensure all of the safety features are maintained.
Magnetic interference.
The 971B contains a permanent magnet that can interfere with
performance and operation of other electronics equipment and life support devices like
pacemakers. Only install the 971B where it cannot interfere with other electronics
.
CE Mark:
The 971B transducer complies with European standards for
CE marking.