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2026-07-02 09:49:40
5 min read

Industrial Vibration Sensor Comparison: Bently Nevada 330500 vs. Vibro-Mete CA202

About the Reviewer
Sandy Lin
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Sandy Lin - Amikon Gorden Partner
With 15+ year experience in automation parts supply, Sandy has served over 8,000 clients, achieving an 85% satisfaction rate. The supplied products are applied in government departments, involving various fields such as petrochemicals, metallurgy, steel, wind power, hydropower, aviation, packaging and transportation, etc. Her professional services and rapid response have earned it a highly praised reputation in the automation industry.She can perceive market changes, provide timely solutions to customers, and achieve sustainable long-term cooperation.

What is the Bently Nevada 330500 Velomitor? Why is it crucial for rotating machinery?

The Bently Nevada 330500 Velomitor is a solid-state piezo-velocity sensor measuring absolute vibration on bearing housings and casings. With no moving parts, it ensures reliable, maintenance-free performance—critical for predictive maintenance and rotating machinery protection.
  • 01. Key Features & Solid-State Architecture

    The 330500 Velomitor employs a solid-state piezoelectric design with embedded integrated electronics and no moving parts. It delivers maintenance-free absolute vibration measurement on bearing housings and casings, with flexible mounting at any orientation.
  • 02. Electrical Compatibility & Real-World Use

    With a 2-pin MIL-C-5015 connector and 100 mV/in/s output, the 330500 complies with FCC, EMC, RoHS, and ATEX/IECEx standards. It monitors bearing housing and casing vibration for rotating machinery protection in industrial and marine environments.

What is the Meggitt CA202? Why is it crucial for rotating machinery?

The Meggitt Vibro-meter CA202 is a piezoelectric accelerometer built for extreme industrial conditions. With 100 pC/g sensitivity, 0.5–6000 Hz response, and -55°C to +260°C range, it captures critical vibration data. Ex-certified versions allow safe use in hazardous areas, protecting vital rotating machinery.
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  • 03. Core Performance and Design

    The CA202 delivers 100 pC/g sensitivity, 0.5–6000 Hz response, and -55°C to +260°C operation. Its symmetrical shear-mode element, hermetically welded stainless-steel case, and integral protection hose ensure rugged, sealed performance in extreme industrial and hazardous environments.
  • 04. Electrical Characteristics and Applications

    The CA202 features charge output via a 2-pin insulated system, requiring an IPC70x charge converter. With ≥10⁹ Ω insulation resistance and 5000 pF capacitance, it suits turbines, compressors, pumps, and hazardous areas like petrochemical and offshore platforms.

Bently 330500 vs. Meggitt CA202: Which vibration sensor fits your application?

The 330500 delivers direct velocity output via integrated electronics for standard conditions. The CA202 provides charge-output acceleration measurement for extreme temperatures. Your choice depends on signal type and environment.
Four Decisive Factors:
- Four Decisive Factors
- Integrated Electronics vs. External Conditioning
- Environmental & Temperature Resilience
- Physical Form Factor & Mounting
Together they complement each other—velocity for rotor faults, acceleration for bearing and gear defects—ensuring full machinery protection.

Automation Spare Parts & Controller
Urgent Shipping of Industrial Automation Parts
Downtime wastes your time and money—Amikon Limited is here to help. As a reliable supplier of automation parts, we offer urgent shipping services to quickly deliver critical components to you, minimizing downtime. With two decades of experience supplying industrial automation, we understand the importance of speed and reliability. That's why we are proud to be one of the few industrial automation parts suppliers offering expedited shipping services to ensure your operations run smoothly.
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Frequently Asked Questions

Q:Can the Bently Nevada 330500 be installed in any orientation?

A:Yes. Because it uses solid-state electronics and has no moving parts, it is unaffected by mechanical wear and can be installed vertically, horizontally, or at any angle.

Q:Does the CA202 require an external signal conditioner?

A:Yes. As a differential charge accelerometer, it cannot be connected directly to standard monitoring systems. It must be paired with a compatible signal conditioner, such as the IPC704 or IPC707, which translates the charge output into usable voltage or current signals.

Q:Can I connect the CA202 directly to my Bently Nevada 3500 rack monitor?

A:No, you cannot connect them directly. The CA202 is a charge-output sensor. It requires an intermediate charge amplifier (such as the Vibro-meter IPC70x signal conditioner) to convert the charge signal into a voltage/current before it can be processed by a Bently Nevada system.

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