Why Choose a High-Sensitivity Accelerometer for Vibration Monitoring?
When monitoring low-amplitude vibrations in critical machinery, standard sensors often fail to capture subtle changes that indicate early faults. Engineers need a reliable solution that delivers precise data even in extreme conditions. The Vibro Meter 144-280-000-015 piezoelectric accelerometer addresses this challenge with a sensitivity of 100 pC/g and a wide frequency response from 0.5 to 6000 Hz, making it ideal for analytical applications.
Introducing the 144-280-000-015 from Vibro Meter
The 144-280-000-015 is part of the Vibro Meter product line, a brand under Parker Meggitt. It is a piezoelectric accelerometer designed for vibration monitoring in hazardous areas and harsh industrial environments. The sensor features a symmetrical shear-mode measuring element with internal case insulation, housed in a hermetically welded AISI 316L stainless-steel case. It is available as a sensor only or with an integral low-noise cable protected by a flexible stainless-steel hose.
Technical Specifications and Performance
The 144-280-000-015 offers a dynamic measurement range of 0.01 to 500 g peak, with linearity of ±1% from 0.01 to 100 g and ±2% from 100 to 500 g. Its resonant frequency exceeds 20 kHz nominal, and transverse sensitivity is less than 3%. The sensor operates continuously from −60 to +260°C and can survive short-term exposure up to +290°C for 15 minutes. Temperature sensitivity error is ±10% across the full range. The sensor head weighs approximately 75 g, and cable versions add 135 g/m.
Applications in Hazardous and Harsh Environments
This accelerometer is Ex certified for use in potentially explosive atmospheres, making it suitable for oil and gas, chemical processing, and mining industries. It excels in low-amplitude vibration monitoring for analytical applications such as bearing analysis and gearbox diagnostics. The hermetically welded stainless-steel case provides corrosion and humidity resistance, ensuring reliable performance in wet or corrosive conditions.
Real-World Application Example
In a typical petrochemical plant, pumps and compressors operate in hazardous areas where standard sensors cannot be used. The 144-280-000-015, with its Ex certification and wide temperature range, can be mounted directly on equipment to monitor vibration continuously. Its high sensitivity allows early detection of bearing wear, reducing unplanned downtime and maintenance costs.
Integration and Mounting Considerations
The sensor uses a 2-pin system with charge output, requiring a charge converter such as the IPC70x signal conditioner. Mounting is done with three M4 × 16 Allen screws and spring lock washers, with a nominal tightening torque of 4 Nm. The sensor only version features a high-temperature circular connector, while integral cable versions are terminated with flying leads. Electrical insulation of the mounting surface is not required, simplifying installation.
Frequently Asked Questions About the 144-280-000-015
What is the sensitivity of the 144-280-000-015?
The sensitivity is 100 pC/g ±5% at 120 Hz with 5 g peak, as calibrated at the factory. No subsequent calibration is necessary.
Can this accelerometer be used in explosive environments?
Yes, all versions of the CA280 are Ex certified for installation in potentially explosive atmospheres, making it suitable for hazardous areas.
What is the maximum operating temperature?
The sensor operates continuously from −60 to +260°C and can survive short-term exposure up to +290°C for a maximum of 15 minutes.
How is the sensor mounted?
Mounting uses three M4 × 16 Allen screws and three M4 spring lock washers with a nominal tightening torque of 4 Nm. Electrical insulation of the mounting surface is not required.
Why Choose BluePLC Industrial for Your Automation Needs
BluePLC Industrial specializes in supplying high-quality industrial automation spare parts, including the Vibro Meter 144-280-000-015. We ensure genuine products and reliable supply for your critical applications. Contact us for expert support and competitive pricing.
