330525-00

Overview

The Bently Nevada 330525-00 Velomitor XA Piezo-velocity Sensor is a ruggedized version of the 330500 Velomitor Sensor.

Frequency and Sensitivity

• Response Frequency: 4.5 to 2,000 Hz (270 to 120,000 cpm) ±3.0 dB; 6.0–1,000 Hz (360–60,000 cpm) ±0.9 dB

• Temperature Sensitivity: -14 to +7.5% across the operating temperature range

• Peak Velocity: 1270 mm/s (50 in/s)

• Transverse Sensitivity: Less than 5% sensitivity

• Amplitude Linearity: ±2% to 152 mm/s (6 in/s) peak

• Mounted Resonant Frequency: Greater than 12 kHz

• Broadband Noise Floor (4.5 Hz to 2 kHz): Nominal 0.004 mm/s (160 min/s)

Power and Impedance

• Power Specifications: DC Voltage range: -22 to -30 VDC; Current Bias: 2.5 to 6.0 mA; Output Bias Voltage: -12 ±3.0 VDC referenced to Pin A

• Dynamic Output Impedance: Less than 2400 Ω

• Grounding: Case isolated

Physical Attributes

• Weight: 156 g (5.5 oz)

• Dimensions: 28 mm in diameter (1.1 in); 73.1 mm in height (2.88 in)

• Case Material: 316L stainless steel

• Connector: 2-pin Mil-C-26482 hermetically sealed connector with 316L stainless steel casing

• Maximum Cable Length: 305 meters (1,000 feet)

• Maximum Mounting Torque: 45 N-m (33 ft-lb)

• Polarity: When the sensor case moves toward the connector, Pin A becomes positive in relation to Pin B

• Minimum Bend Radius of the Cable: 1.5 in

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