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Description：

The Vibro-Meter 444-680-000-411 Vibration Sensor is a high-performance piezoelectric accelerometer used for continuous vibration monitoring and machinery protection in industrial applications. Featuring a sensitivity of 100 mV/g and a dynamic measurement range of 80 g peak, the sensor delivers accurate and reliable vibration data for condition monitoring, fault detection, and predictive maintenance programs.

With a frequency response of 3 Hz to 5 kHz and a resonant frequency of 18 kHz, the sensor is capable of detecting both low-frequency machine vibration and high-frequency mechanical events. Its excellent measurement accuracy is supported by less than 1% linearity error and transverse sensitivity below 5% of axial sensitivity, ensuring dependable vibration analysis across the entire operating range.

Specification：

Frequently asked questions

Q1: What is the Vibro-meter 444-680-000-411 Vibration Sensor used for?

A1: The 444-680-000-411 Vibration Sensor is used to measure machine vibration and acceleration in condition monitoring and machinery protection systems, helping detect faults such as imbalance, misalignment, looseness, and bearing wear.

Q2: What is the sensitivity of the 444-680-000-411 vibration sensor?

A2: The 444-680-000-411 sensor provides a sensitivity of 100 mV/g, delivering accurate and stable vibration measurements for industrial monitoring applications.

Q3: What is the dynamic range of the 444-680-000-411 sensor?

A3: The sensor has a dynamic range of 80 g peak, allowing it to measure a wide range of vibration amplitudes.

Q4: What is the bias voltage of the 444-680-000-411 sensor?

A4: The 444-680-000-411 sensor operates with a bias voltage of 12 VDC, ensuring proper signal conditioning and reliable performance.

Q5: What is the output impedance of the 444-680-000-411 vibration sensor?

A5: The 444-680-000-411 output impedance is 150 Ω, supporting efficient signal transmission to monitoring and data acquisition systems.

Product Applications

Energy and Power Generation: Used to monitor bearing vibration in gas turbines, steam turbines, hydro generators, and large generator sets to prevent serious equipment accidents.

Oil and Gas: Deployed for all-weather condition monitoring of heavy rotating machinery deployed in long-distance oil pipeline pumping stations, natural gas compressor units, and offshore drilling platforms.

Chemicals and Refining: Continuous vibration monitoring of various large industrial pumps, blowers, centrifuges, and centrifugal compressors in high-risk environments to prevent media leakage due to bearing wear.

Heavy Industrial Manufacturing: Health management of bearings and gearboxes in high-load, high-impact continuous production line equipment such as rolling mills in steel plants, large ball mills in cement plants, and drying cylinders in paper mills.