The DC-21 is a fully digital, two channel, spectrum analyzer and data collector. It is intended to make: The DC-21 is a fully digital, two channel, spectrum analyzer and data collector. It is intended to make: Condition monitoring and diagnostics measurements:
time wave form (oscilloscope mode) vibration levels in different frequency bands according to ISO standards, RMS, true peak, peak-peak peak factor autospectra envelope spectra selected from multiple bandpass filters rotation speed amplitude and phase of rotation speed and its harmonics long duration time signal recording

Rotor balancing (optional)

Test diagnostics

RPM/amplitude/phase characteristics during machine run-up/coast down (up to 16 channels simultaneously with optional multiplexer)
modal analysis, resonant frequencies, logarithmic decrement (damping coefficient) for certain frequencies (optional)
shaft alignment shim calculation from the results of measurements with sensors or from dial indicators (optional)

Features:

Light weight portable data collector
Full route capabilities
Accepts inputs from charge and ICP® accelerometers,voltage sensors, clamp-on current sensors, TTL tacho probes and other sensors
Transducer signal audio output to earphones
Internal power supply for tacho probe
Simple, six button operation
On-line context sensitive help system
Full screen spectrum display during and after measurements,cursor function
Digital Signal Processing technology enables fast download of setups and easy firmware upgrades
Host computer software for route or database loading and unloading and data analysis is included.
Optional software packages for balancing and conditiondiagnostics
Data communication and messaging via external modem

MDA 400 Bearing Lifeguard

Model DC21 Dual Channel Vibration Analyzer and Data Collector