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Sensors/Transducers

We have a full range of sensors/transducers with high environmental resistance and reliability to support various rotating machinery and measurement applications, allowing customers to chose the right one for the specific needs.

FK Series
[For monitoring of turbine/general-purpose rotating machinery]
Used for measuring Shaft Vibration, Axial Position, Rotating Speed and Phase Mark (Phase Reference) from small rotating machinery to large critical machinery such as turbines and compressors in plants.
Vibration Axial position Eccentricity Expansion Differential expansion
× ×
Rotational speed Phase mark
(phase reference)
Valve opening
×

WK Series
[For monitoring of general-purpose rotating machinery]
Vibration/thrust conversion function incorporated into the conventional eddy-current transducer. The two wire power loop system for power and signal transmission achieves low cost vibration monitoring systems.
Vibration Axial position Eccentricity Expansion Differential expansion
× × ×
Rotational speed Phase mark
(phase reference)
Valve opening
× × ×

CV Series
[For monitoring critical rotating machinery]
Piezoelectric velocity transducers that measures casing vibration of turbines, compressors, pumps and other rotating machinery, and outputs voltage signals.
Vibration Axial position Eccentricity Expansion Differential expansion
× × × ×
Rotational speed Phase mark
(phase reference)
Valve opening
× × ×

CA Series
[For monitoring of turbine/general-purpose rotating machinery]
Compact piezoelectric Acceleration transducers. Responds to a wide frequency range.
Vibration Axial position Eccentricity Expansion Differential expansion
× × × ×
Rotational speed Phase mark
(phase reference)
Valve opening
× × ×

CB Series
[For monitoring general-purpose rotating machinery]
Piezo-electric vibration accelerometers or vibration transmitters with built-in integrators to provide a velocity output – an economical option for monitoring balance of plant equipment.
Vibration Axial position Eccentricity Expansion Differential expansion
× × × ×
Rotational speed Phase mark
(phase reference)
Valve opening
× × ×

MS Series
[For monitoring of turbine/general-purpose rotating machinery]
By mounting MS Series sensor close to the detecting gear on a rotating shaft, rotational speed can be measured without touching the rotor.
Vibration Axial position Eccentricity Expansion Differential expansion
× × × × ×
Rotational speed Phase mark
(phase reference)
Valve opening
× ×

LVDT Series
[For monitoring of turbine]
Highly reliable differential transformers that can be used for measuring valve opening, casing expansion and other long range measurements.
Vibration Axial position Eccentricity Expansion Differential expansion
× × × ×
Rotational speed Phase mark
(phase reference)
Valve opening
× ×
Condition Monitoring Parameters for Rotating Machinery
Vibration Shaft vibration (vibration of rotor itself)and casing vibration
Axial position Position of the rotor around the thrust bearing along the rotor axis
Eccentricity Deflection of the axis
Expansion Casing expansion due to heat
Differential expansion Relative thermal expansion differences between the casing and rotor
Rotational speed Rotational speed of the rotor
Phase mark
(phase reference)
One pulse per revolution. Signals used for reference of vibration phase angle.
Valve opening Value represents steam control valve opening position.

Note: The monitoring parameters shown for each product series are only applicable when these are used for Turbine Supervisory Instrumentation (TSI). They might be used for other measurement and monitoring applications.

TEL:81-3-3263-4411 FAX:81-3-3262-2171

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