Bently Nevada 330450-80 Vibration Sensor | High-Temp Accelerometer 8m Cable

Bently Nevada 330450-80 Industrial Vibration Accelerometer

This is a heavy-duty vibration sensor from the trusted brand Bently Nevada. Model 330450-80 is built in the USA for tough jobs. It measures machine vibration in very hot and hazardous areas. Use it for predictive maintenance on turbines, pumps, and compressors to avoid downtime.

Product Model Code Explained

• 330450 – Core Product: High-Temperature Accelerometer
  • -80 – Integrated Cable: 8.0 Meters Total Length

Full Technical Data

• Brand & Model: Bently Nevada 330450-80
• Type: Piezoelectric Accelerometer
• Sensitivity: 100 mV/g (±5%)
• Measurement Range: ±80 g Peak
• Frequency Response: 15 Hz to 10,000 Hz
• Flat Frequency Range: 40 Hz to 4000 Hz (±5%)
• Noise Floor: Very low at 0.006 g rms
• Power Supply: -24 Vdc (±0.5 Vdc)
• Output Bias Voltage: -12 Vdc (±0.5 Vdc)
• Maximum Cable Length: 305 m (1000 ft) recommended
• Temperature Limits:
  • Sensor Head & Cable: -55°C to +400°C
  • Internal Electronics: -55°C to +100°C
• Case Material: 300 Series Stainless Steel
• Electrical Connector: 3-pin MIL-C-5015
• Weight (with 8m cable): 1111 grams (2.45 lb)
• Shock Survival Rating: 2500 g peak
• Sealing: Hermetically sealed, suitable for 100% humidity
• Minimum Cable Bend Radius: 51 mm (2.0 in)

Safety Approvals for Hazardous Locations

This sensor is certified safe for use in areas with flammable gases or dust.

Key approvals include:

ATEX: Ex ia IIC T4
IECEx: Ex ia IIC T4
UL/CUL: Class I, Division 1, Groups A,B,C,D

Always follow the installation drawing (168078) for certified use.

Logistics & Warranty

• Fast Global Shipping: We deliver using FedEx, UPS, and DHL.
• Your Purchase is Protected: All products come with a 12-month warranty.
• You will receive tracking information after dispatch.

Frequently Asked Questions

Q: Where is the best place to mount this sensor on a machine?

A: Mount it on a flat, clean surface close to the bearing you want to monitor. Ensure it is firmly attached in the correct axis (usually vertical, horizontal, or axial).

Q: What kind of cable should I use to extend it beyond 8 meters?

A> Use a shielded, low-noise coaxial cable compatible with ICP-type sensors. The total cable length from sensor to monitor should not exceed 305 meters for best performance.

Q: How do I know if the sensor is working correctly?

A: First, check the bias voltage at the monitor. It should be close to -12 Vdc. Then, tap the sensor lightly while monitoring the AC signal; you should see a response.

Q: From practical experience, what is a key installation tip?

A: Use a proper mounting pad or stud if the surface is uneven. This ensures a flat, rigid connection for accurate high-frequency vibration measurement. Do not mount on painted surfaces without preparing them.

Q: Can this sensor be used with data collectors from other brands?

A: Yes, it is an ICP/IEPE-type sensor. It will work with any vibration analyzer or data collector that provides a -24 Vdc constant current power supply (typically 2-20 mA) and has an AC-coupled input.

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