Bently Nevada 330750-60-CN Velomitor | High Temperature Sensor

Description

Product Overview

• Brand: Bently Nevada
• Series: 330750
• Model: 330750-60-CN
• Type: High-Temperature Velomitor Sensor
• Built for vibration monitoring on very hot surfaces.
• Works on surfaces up to +400°C.
• Stable output in harsh plant conditions.

Design and Core Advantages

• Integrated sensing head and cable.
• No external cooling required.
• Strong resistance to heat stress.
• Low signal drift over time.
• Supports continuous operation.

Performance Characteristics

• Sensitivity: 5.7 mV/mm/s ±5%
• Frequency Response: 15 to 2000 Hz
• Usable Band: Flat response within operating range
• Mounted Resonance: Above 5 kHz
• Response Stability: Maintains accuracy at high heat

Vibration Measurement Limits

• Velocity Range: Up to 635 mm/s peak
• Acceleration Limit: Up to 300 g peak
• Reduced output at very high frequencies.
• Designed for rotating equipment health checks.

Electrical Properties

• Output Bias: -12 VDC nominal
• Noise Floor: Very low across full band
• Transverse Sensitivity: Less than 5%
• Grounding: Case isolated
• Clean signal in noisy environments.

Thermal and Environmental Limits

• Maximum Surface Temperature: +400°C
• Thermal Shock Resistance: High
• Transient Drift: Minimal during fast heating
• Suitable for furnaces and hot casings.

Cable and Installation

• Standard Cable Length: 6 meters
• Maximum Extension: Up to 305 meters
• No signal loss with proper routing.
• Simple mounting on flat surfaces.

Ordering Code Structure

• 330750-60-CN
• 330750
  • Velomitor Series
• 60
  • 6 meter integral cable
• CN
  • Country specific approval

Typical Applications

• Furnace drive systems
• Hot gas fans
• Kiln support rollers
• Steel mill equipment
• High heat motor housings

Warranty and Delivery

• Warranty: 12 months
• Shipping: FedEx, UPS, DHL
• Careful industrial packaging.

Frequently Asked Questions

• Can this sensor work without cooling?
• Yes. It is designed for direct high heat contact.
• Is signal quality stable at long distances?
• Yes. Proper grounding keeps noise low.
• Does heat affect long-term accuracy?
• No. The sensor limits thermal drift.
• Is calibration needed after installation?
• No. Factory calibration is sufficient.
• What mounting surface works best?
• Flat metal surfaces give best results.

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