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330505 Low Frequency Velocity Sensor

Low Frequency Velocity Sensor

The Low Frequency Velocity Sensor is designed for hydro applications to detect vibration of the stator core, stator frame, and bearing supports. The sensor measures absolute vibration within the range of 0.5Hz to 1.0kHz, and its two-wire design uses moving-coil technology and embedded signal conditioning circuitry to provide a voltage output directly proportional to the vibration velocity. The sensor is used with the 3500/46M Hydro Monitor.

 

 

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Specifications

Electrical

Sensitivity: 20 mV/mm/s (508mV/in/s) ±10%
Frequency response: 0.5 to 1000 Hz (30 to 60,000 cpm) ± 3.0 dB;
1 to 200 Hz (60 to 12,000 cpm) ± 0.9 dB
Amplitude range: See vibration nomograph (Figure 1)
Amplitude linearity: ±3% to 102 mm/s (4 in/s) peak
Maximum cable length: 305 metres (1000 feet) with no degradation of signal, when used with 3500/46M

Environmental Limits

Operating and storage temperature range Maximum mounted surface temperature −40°C to +100°C (−40°F to +212°F)
Shock survivability: 981 m/s2 (100g) peak
Relative humidity: To 100% non-submerged; case is hermetically sealed.

Physical

Weight (typical): < 375grams (13.2oz)
Mounting: See Dimensional Drawings, Figure 2
Case material: 300 series stainless steel.
Connector: 2-pin Mil-C-5015 receptacle, hermetically sealed, 300 series stainless steel.
Mounting Torque: 46 kg cm (40 in-lb) max.
Polarity: Pin A goes positive with respect to Pin B when the applied velocity is from the base to the top of the transducer.
Note: Please read and understand the User Guide before attempting to install and use this product.

Figure 1: 330505 Vibration Nomograph

sensers-transducerSpec1

Figure 2: 330505 System Dimensional Drawing

Dimensions are in millimeters (inches)

sensers-transducerSpec2

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Descriptions English
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