Catalog excerpts
1-157 Portable Vibration Meter Applications • Laboratory or Field Vibration Measurements • Industrial Turbines • Power Generators and Gas Pumping Systems • Paper Mills Features Monitoring Systems • Portable Vibration Meter indicating peak-to-peak displacement and average velocity • Six selectable inputs • Optional AC or DC power • Three internal test circuits Description CEC’s 1-157 Vibration Meter is a portable unit which indicates peak-to-peak displacement and average velocity. Designed for use with selfgenerating type velocity transducers, the input signal is averaged and displayed on a meter in peak-to-peak or average values based upon equivalent sinusoidal input. The 1-157 can operate from either AC or battery power by switching a power pack module located in the rear of the unit. Internal test circuits provide means of calibrating the instrument for the particular vibration transducer being used. Another test circuit is provided for testing the batteries with the battery power supply. An additional circuit acts as an ohmmeter to check continuity of the vibration transducers being used. Each of the six channels of the 1-157 contains its own sensitivity adjustment. ISO 9001:2000 AS9100 Certified
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1-157 Portable Vibration Meter Performance Specifications Frequency: 5 to 2,000 Hz (displacement) 5 to 20,000 Hz (velocity) Velocity: Scope (AC High Impedance Jack): 500,000 Ω min 0.0005 to 0.500 inch peak-to-peak full scale Displacement: SIGNAL OUTPUT TERMINATIONS Galvo (AC Low Impedance Jack): 100 Ω max Ext. Meter (DC Low Impedance Jack): 200 Ω max Front Panel: Function selector (displacement or velocity), sensitivity adjustment for each of six velocity vibration transducer channels, push-button channel selector, range selector, sensitivity pot (10 turns) for setting input level for...
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