Description

The BENTLY 1900/65A-00-00-01-00-00 is a high-precision seismic velocity transmitter engineered for continuous machinery health monitoring in demanding industrial environments. As part of Bently Nevada’s flagship 1900 Series, this device converts mechanical vibration into a standardized 4–20mA proportional signal for predictive maintenance. Designed for permanent installation on pumps, fans, compressors, and turbines, it captures casing vibration data with exceptional frequency response (10–1000 Hz) to detect imbalance, misalignment, and bearing wear.

Featuring robust stainless steel construction and IP67 ingress protection, the BENTLY 1900/65A-00-00-01-00-00 operates reliably in extreme conditions including oil refineries, offshore platforms, and power generation facilities. Its integrated signal conditioning circuitry eliminates external power supplies while maintaining ±3% measurement accuracy. The transmitter’s loop-powered design simplifies integration with DCS/PLC systems like Emerson’s Ovation or GE Mark VIe. The BENTLY 1900/65A-00-00-01-00-00 delivers actionable insights for reducing unplanned downtime through early fault detection.

BENTLY 1900/65A-00-00-01-00-00

Technical Specifications

Parameter Name	Parameter Value
Product Model	BENTLY 1900/65A-00-00-01-00-00
Manufacturer	Bently Nevada (Baker Hughes)
Product Type	Seismic Velocity Transmitter
Measurement Range	0–25.4 mm/s (0–1 in/s) peak
Frequency Response	10–1000 Hz (±3dB)
Output Signal	4–20mA (2-wire loop-powered)
Accuracy	±3% of full scale
Sensitivity	7.87 mA/(in/s)
Operating Temperature	-40°C to +85°C
Housing Material	316 Stainless Steel
Ingress Protection	IP67 (NEMA 4X)
Electrical Connection	Conduit entry (M20 x 1.5)
Mounting	M10 x 1.5 stud or adhesive pad
Compliance	ATEX/IECEx Zone 2, CSA Class I Div 2

Main Features and Advantages

Plug-and-Play Reliability: Engineered for zero-configuration deployment, the BENTLY 1900/65A-00-00-01-00-00 delivers calibrated velocity measurements without field calibration. Its loop-powered operation eliminates external power supplies – reducing wiring costs by 30% versus competitive transmitters.

Extreme Environment Resilience: With all-welded stainless steel housing and hermetically sealed electronics, the transmitter withstands high-pressure washdowns, corrosive chemicals, and explosive atmospheres. The extended -40°C to +85°C range ensures performance in Arctic drilling sites or desert power plants.

Diagnostic Integration: Built-in self-test functions detect sensor degradation or cable faults. Compatible with Bently Nevada’s System 1® software for automated FFT analysis and alarm management. The frequency-weighted measurement (ISO 10816) provides direct input for machine health assessment.

Application Field

The BENTLY 1900/65A-00-00-01-00-00 is indispensable for rotating equipment protection across energy and process industries. In gas compression stations, it monitors centrifugal compressors for blade-pass vibrations and surge events. Power plants deploy it on boiler feed pumps to detect cavitation-induced casing resonance.

For offshore platforms, the transmitter tracks cooling water pump bearing wear in salt-spray environments, leveraging its IP67 rating. Mining operations utilize its shock-resistant design (100g survivability) on conveyor drive motors subject to rock-impact loads. The BENTLY 1900/65A-00-00-01-00-00 also enables predictive maintenance on HVAC systems in data centers, where vibration-induced fatigue threatens critical cooling infrastructure.

BENTLY 1900/65A-00-00-01-00-00

Related Products

1900/55A: Low-frequency variant (2–500 Hz) for gearbox monitoring

3300/16: Proximitor® sensor for shaft displacement measurement

1900/25: High-temperature transmitter (up to 120°C)

3500/42M: Vibration monitor for machinery protection systems

177230-01: Adhesive mounting kit for non-ferrous surfaces

128229-01: Field calibration exciter for sensor validation

1900/45: Dual-channel transmitter for axial/radial monitoring

TK-3E: Test kit for 4–20mA loop verification

Installation and Maintenance

Pre-installation preparation: Verify surface flatness (<0.05mm deviation) and clean mounting location with solvent wipe. Ensure conduit seals comply with hazardous area certifications when installing the BENTLY 1900/65A-00-00-01-00-00 in Zone 2 environments. Perform continuity check on shielded cables prior to connection.

Maintenance recommendations: Conduct annual loop verification using Bently Nevada’s TK-3E test kit to confirm mA output linearity. Inspect conduit entries quarterly for moisture ingress. Replace transmitter after 7 years of continuous service or following impact events exceeding 100g.