VITEC 438D Vibration Switch (inch/sec)

Switch

More than a simple switch, the 438D is a single-channel vibration monitor that can be located in a centralized location, remote from operating equipment. The 438D is on guard ’round the clock, with cost-effective protection of motors, pumps, fans and a wide range of other rotating equipment. It provides continuous digital readout of the vibration level, and signals when a predetermined setpoint level has been reached.

Measurement mode
Velocity (in/sec)
Frequency range
Dependent on tranducer type and any special filtering (See “Transducer Types” below)
Analog output
4 – 20 mA DC, proportional to full scale range
Input power
110V or 220V AC, field selectable
Setpoints
2, adjustable from 0-100% of full scale
Indicators
LEDs: yellow for “Alarm”, red for “Trip”
438D operating temperature
-20 to +160F (-29 to +71C)
Enclosure
NEMA 4, with hinged cover
Dimensions: 9.5″H x 7″W x 4″D (24.1 x 17.8 x 10.2cm)
Weight: 6.5 lbs (2.9kg)
Mounting
Flat surface, 8-3/4″ x 4″ (22.2 x 10.2cm) bolt pattern
Cable entry
Transducer cable entry and cable grip provided; power and control cable entry by customer.
FIELD ADJUSTABLE SETTINGS
Full scale range
0 – 1 or 0 – 3 in/sec
Alarm & trip setpoints
0 to 100% of full scale range
Relay time delay
0 to 20 Sec per relay
Relay state
Normally de-energized (open below setpoint) or normally energized (closed below setpoint)
Relay configuration
Latching or non-latching
Relay inhibit
Inhibits relay operation during start-up or machine maintenance
Input power
110V or 220V AC
TRANSDUCER TYPES
4033-400 (Velocity)
Frequency range: 20 to 1,500 Hz
Operating temperature: -20 to +400F (-29 to +204C)
4033-500 (Velocity)
Frequency range: 20 to 1,500 Hz
Operating temperature: -20 to +500F (-29 to +260C)
4034 (Velocity)
Frequency range: 12 to 1,000 Hz
Operating temperature: -30 to +160F (-34 to +71C)
4071A (Acceleration)
Frequency range: 2.1 to 3,500 Hz
Operating temperature: -58 to +180F (-50 to +82C)
4073 (Acceleration)
Frequency range: 0.8 to 10,000 Hz
Operating temperature: -65 to +250F (-54 to +121C)

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