Bruel-Kjaer AS-063/050/0 Vibration Acceleration Sensor

The Bruel-Kjaer AS-063/050/0 Vibration Sensor is a high-performance industrial-grade sensor designed to deliver accurate vibration measurement for critical machinery monitoring applications. Known for its precision engineering and durability, this sensor is ideal for detecting and analyzing mechanical vibrations in various industrial environments, ensuring optimal operational safety and performance.

Built with robust materials and advanced sensing technology, the AS-063/050/0 offers stable and repeatable measurements, even in challenging conditions such as high humidity, extreme temperatures, or environments with continuous mechanical stress. The sensor’s compact design and rugged construction make it suitable for both stationary and mobile installations, offering flexible integration into existing monitoring systems.

The Bruel-Kjaer AS-063/050/0 Vibration Sensor is widely used in applications such as predictive maintenance, condition monitoring, and structural integrity assessment. By providing accurate vibration data, it helps maintenance teams identify potential issues like imbalance, misalignment, or bearing wear before they escalate into costly failures. This proactive approach reduces downtime, extends equipment life, and lowers maintenance expenses.

Its high sensitivity and reliability make it compatible with advanced vibration analysis systems, enabling operators to track trends, set alarm thresholds, and execute timely interventions. The sensor can be mounted in various orientations without loss of accuracy, making it a versatile solution for monitoring pumps, motors, turbines, fans, compressors, and other rotating equipment.

With Bruel-Kjaer AS-063/050/0 Vibration Sensor legacy of quality and innovation, the AS-063/050/0 combines technical excellence with long-term dependability. It is designed to meet rigorous industrial standards, ensuring consistent performance over years of service. Easy installation, minimal maintenance requirements, and compatibility with a wide range of monitoring equipment make it a preferred choice for engineers and plant operators seeking reliable vibration measurement solutions.

Whether used in manufacturing plants, energy production facilities, or research environments, the Bruel-Kjaer AS-063/050/0 Vibration Sensor delivers exceptional performance. Its precision measurement capabilities support informed decision-making, improve operational efficiency, and enhance the safety of critical machinery.

Technical Specifications

The Brüel & Kjær Vibro AS-063/050/0 is the hazardous-area (Ex-certified) counterpart to the AS-062 accelerometer — a compression-type CCS/IEPE sensor in a stainless-steel housing, intrinsically safe and rated for use in explosive atmospheres, with the “/050/0” suffix again denoting a 5.0m integrated cable with no protective conduit. The measuring range is ±80g with an overload capacity of 5000g peak, sensitivity accuracy of ±5% (transverse sensitivity ≤8–10%), and a frequency response of 1.5Hz to 13kHz (±3dB) with a resonant frequency of 35kHz ±3kHz.

Operating temperature is -55°C to +125°C (storage -20°C to +70°C), and the sensor weighs approximately 130g, mounting via an M8×14 or M8×1/4-28 UNF stud torqued to 3.5Nm. Output impedance is ≤300Ω with insulation resistance ≥20MΩ, powered from a nominal 24V DC supply (+18 to +30V) at 2–10mA constant current (typically 4mA). The unit carries ATEX hazardous-area certification of II 1 G Ex ia IIC T6 Ga and II 2 D Ex ia IIIC T145°C Db, with IP66/IP68 ingress protection, and is manufactured in Germany. (Note: these Ex-certification codes are drawn from a trusted supplier’s reproduction of the manufacturer datasheet rather than a directly-verified bkvibro.com PDF; Seven Star LLC confirms the current certificate number against the manufacturer before any hazardous-area order ships.)

Applications

This accelerometer is used for continuous vibration monitoring of rotating machinery — compressors, turbines, and pumps — located in Zone 0/1/2 or Zone 20/21/22 hazardous areas, common across refineries, offshore platforms, and chemical plants where a standard non-certified accelerometer cannot legally be installed.

Why Seven Star LLC

Seven Star LLC supplies genuine Brüel & Kjær Vibro hazardous-area accelerometers, including the AS-063 series, to oil & gas and petrochemical customers across Oman and the wider GCC, and confirms the exact ATEX/IECEx certificate and cable configuration against the customer’s classified-area requirement before confirming an order.

Why Intrinsic Safety Matters

Intrinsic safety (the “Ex ia” designation) works by limiting the electrical energy available in the sensor circuit to a level too low to ignite a surrounding explosive atmosphere, even under a fault condition such as a short circuit or open circuit in the wiring. This is a fundamentally different safety strategy from a flameproof (“Ex d”) enclosure, which instead contains an internal explosion rather than preventing the ignition energy from existing in the first place — intrinsic safety is generally the preferred approach for small signal-level sensors like accelerometers because it avoids the weight and bulk of a flameproof housing while still achieving full certification for the most demanding zones.

Selection and Compatibility Notes

Because intrinsically safe circuits depend on the entire loop — sensor, cable, and any intrinsic-safety barrier or isolator at the non-hazardous side — being certified together as a matched system, simply installing an Ex-rated accelerometer like the AS-063 does not by itself guarantee compliance; the barrier or isolating amplifier it connects to must also be rated for compatible entity parameters. Seven Star LLC works with the customer’s existing monitoring system design to confirm the complete intrinsically safe loop, not just the sensor in isolation, before an order is placed.

Typical Deployment in GCC Facilities

Across Oman’s oil & gas processing plants, offshore platforms, and petrochemical complexes, hazardous-area accelerometers of this type are specified on any rotating equipment located within a classified zone as defined by the site’s area classification study — a requirement that is generally non-negotiable under local civil defense and process-safety regulations, making the AS-063’s stainless-steel, intrinsically safe design the standard choice over a lower-cost general-purpose sensor.

Request a Quote for Bruel-Kjaer -AS-063/050/0

Submit a formal inquiry through our RFQ page with your hazardous-area classification, required cable length, and monitoring system compatibility. We will confirm the correct AS-063 configuration and provide a formal quotation.

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