Bently Nevada 330500-02-04/05 Velomitor Velocity Sensor

Precise Vibration Measurement for Critical Machinery

Bently Nevada engineered the 330500 Velomitor sensor for reliable velocity monitoring. This piezo-velocity transducer captures essential vibration data from your equipment. It helps protect assets through accurate condition monitoring.

Core Technical Specifications

• Brand & Model: Bently Nevada 330500-02-04/05 Velomitor Sensor
• Measurement Type: Piezo-velocity Transducer
• Mounting Thread: 02 = M8 x 1
• Sensitivity: 3.94 mV/mm/s (±5%) at 100 Hz
• Frequency Response: 4.5 Hz to 5 kHz (±3 dB)
• Velocity Range: Up to 1270 mm/s (50 in/s) peak
• Operating Temperature: -55°C to 121°C (-67°F to 250°F)

Key Electrical & Performance Data

• The sensor delivers a consistent output bias voltage of -12 ±3 VDC.
• It maintains excellent amplitude linearity within ±2% up to 152 mm/s.
• A high mounted resonant frequency (>12 kHz) ensures accurate readings.
• The broadband noise floor is a low 0.004 mm/s rms for clear signals.
• Transverse sensitivity remains minimal at less than 5% of the primary axis.
• You can use cable lengths up to 305 meters with no signal loss.

Robust Physical & Environmental Design

• The durable housing uses 316L stainless steel for corrosion resistance.
• It features a hermetically-sealed, 2-pin Mil-C-5015 connector.
• This compact sensor weighs only 142 grams and has a 25.3 mm diameter.
• Its design survives extreme shocks up to 5,000 g peak.
• The case is fully isolated and rated for 100% relative humidity.
• Apply a mounting torque between 32-46 kg cm for secure installation.

Compliance & Safety Certifications

• The unit holds multiple agency approvals for hazardous locations.
• Key certifications include CSA and ATEX (Option -04).
• It complies with FCC rules, the EMC Directive, and RoHS standards.
• This 330500 sensor also meets relevant DNV maritime rules.
• It is approved for Class I Div 1 & 2 and Ex ia/nL IIC T4 zones.

Packaging & Shipping Information

• The package includes the Velomitor sensor with its connector.
• We carefully pack each unit to prevent damage during transport.
• We ship all orders promptly using reliable carriers like FedEx, UPS, or DHL.

Installation Guidelines

• Always consult the official Bently Nevada manual for detailed steps.
• Clean the mounting surface thoroughly before installing the sensor.
• Use the specified torque range to attach the sensor securely.
• Ensure proper cable routing away from sources of electrical noise.
• Verify the connector is fully sealed to maintain environmental protection.

Frequently Asked Questions (FAQ)

What does this sensor measure?

• The Bently Nevada 330500 measures vibration velocity in mm/s or in/s. It is perfect for pumps, fans, and motors.

What is the '02' in the model number?

• The '02' in 330500-02-04/05 specifies an M8 x 1.0 mounting thread for the transducer.

Can I use this sensor in a hazardous area?

• Yes. Its '-04' option provides CSA and ATEX approvals for safe use in classified zones.

How long of a cable can I use?

• You can use cables up to 305 meters (1000 ft) long without degrading the signal quality.

What is the recommended cable length for high-frequency vibration?

• For high-frequency signals (up to 10 kHz), we recommend a maximum cable length of 63 meters (208 ft).

Why choose Bently Nevada?

• Bently Nevada sets the standard for reliability in machine condition monitoring. Their sensors, like the 330500 Velomitor, are industry-proven.