Bently Nevada 200350-12-00-00 Accelerometer: 100 mV/g Vibration Sensor

What Is the Bently Nevada 200350-12-00-00?

When unexpected machinery vibrations threaten production uptime, the Bently Nevada 200350-12-00-00 accelerometer delivers precise, reliable data for condition monitoring. This 200350 series sensor provides 100 mV/g sensitivity with ±20% tolerance, making it a trusted choice for industrial vibration analysis.

Manufactured in the U.S.A., the 200350-12-00-00 features a ceramic shear sensing element housed in a stainless steel, welded hermetic enclosure. Its IP68 rating ensures operation in condensing humidity and non-submerged wet conditions, while the operating temperature range of -65°F to +250°F (-54°C to +121°C) suits extreme environments.

Technical Specifications Breakdown

Sensitivity and Measurement Range

The sensor offers 100 mV/g ±20% (10.2 mV/m/s² ±20%) sensitivity, translating vibration into a proportional electrical signal. With a measurement range of ±50g, it captures both subtle and strong vibrations across rotating and reciprocating machinery.

Frequency Response and Resonant Frequency

Frequency response spans 30–600,000 cpm (0.5–10,000 Hz) within ±3 dB, covering low-speed to high-speed equipment. The mounted resonant frequency reaches 1500 kcpm (25 kHz), ensuring accurate readings well beyond typical machine vibration frequencies.

Electrical Characteristics

Output bias voltage sits between 8 and 12 VDC, while excitation voltage ranges from 18 to 28 VDC with constant current excitation of 2 to 20 mA. Settling time is 2.0 seconds (within 1% of bias), and output impedance is less than 150 ohms. The discharge time constant is ≥0.3 seconds, and electrical isolation exceeds 108 ohms.

Environmental and Mechanical Durability

The accelerometer withstands 5,000 g pk shock survivability and operates in 100% relative humidity (condensing, non-submerged). Its hex size is 11/16” (1.8 cm), height is 1.65” (4.24 cm), and weight is only 0.051 kg. The mounting stud is M8x1.25 adhesive stud mount, and mounting torque is 2 to 5 ft-lb (2.7 to 6.8 N-m).

Industry Applications

Rotating Machinery Monitoring

In pumps, compressors, turbines, and fans, the 200350-12-00-00 detects early signs of imbalance, misalignment, or bearing wear. Its ±50g range and wide frequency response capture both low-frequency shaft vibrations and high-frequency gear mesh signals.

Harsh Environment Installations

With IP68 enclosure rating and stainless steel construction, this accelerometer performs reliably in offshore platforms, chemical plants, and mining operations where moisture, dust, and temperature extremes are common.

Installation & Setup Guidance

Mount the 200350-12-00-00 using the M8x1.25 adhesive stud mount. Apply mounting torque between 2 and 5 ft-lb (2.7 to 6.8 N-m) for secure attachment without damaging the sensor. Use the 2-pin Mil-C-5015 top-mounted electrical connector for signal and power. Ensure excitation voltage is within 18–28 VDC and constant current is set between 2 and 20 mA. Allow 2.0 seconds settling time after power-up before taking measurements.

Maintenance & Reliability

Periodically inspect the sensor and cable for physical damage or corrosion. Verify output bias voltage remains between 8 and 12 VDC during operation. Clean the mounting surface before reinstallation to maintain proper coupling. The welded hermetic seal and ceramic sensing element provide long-term stability, reducing the need for frequent recalibration.

Selection Guide & Purchasing Advice

Before ordering the 200350-12-00-00, confirm your required sensitivity tolerance (00 = 100 mV/g ±20%) and agency approvals (00 = no approvals). Verify the mounting thread (1/4-28 female) matches your installation. For complete technical specifications and current availability, contact BluePLC Industrial. Our team can help you select the right accelerometer for your vibration monitoring application.