Product Overview
When machinery vibration threatens uptime and safety, the Bently Nevada 190501-00-00-04 Velomitor CT Velocity Transducer delivers precise, reliable measurements. This rugged sensor converts mechanical velocity into an electrical signal, enabling early detection of bearing wear, imbalance, and misalignment. Designed for harsh industrial environments, it provides the data you need to implement predictive maintenance strategies.
Technical Specifications Breakdown
Sensitivity and Frequency Response
The 190501-00-00-04 offers a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%. This high output simplifies signal processing and reduces noise susceptibility. Its frequency response spans 3.0 Hz to 900 Hz (180 to 54,000 cpm) within ±1.0 dB, and extends to 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) within ±3.0 dB. This range covers most rotating machinery speeds, from slow-speed fans to high-speed turbines.
Environmental Durability
Operating from -40°C to +85°C (-40°F to +185°F) and storing from -40°C to +100°C (-40°F to +212°F), this transducer withstands extreme conditions. It handles 100% condensing humidity and survives shocks up to 5000 g pk. The 316L stainless steel case and connector resist corrosion in chemical and offshore environments.
Safety Approvals
Equipped with agency approval option 04, the 190501-00-00-04 carries CSA/NRTL/C (Class I, Division 1), ATEX/IECEx/CSA (Class I, Zone 0/1) certifications. It is intrinsically safe Ex ia IIC T4, suitable for explosive gas atmospheres. This compliance simplifies installation in hazardous areas without additional barriers.
Industry Applications
Turbine Vibration Monitoring
In power generation, steam and gas turbines operate at high speeds. The 190501-00-00-04's wide frequency response captures both low-speed rotor dynamics and high-speed blade pass vibrations. Its transverse response of less than 5% of axial sensitivity ensures accurate readings even when mounted on complex machinery.
Pump and Compressor Protection
Centrifugal pumps and reciprocating compressors in oil and gas facilities benefit from the transducer's amplitude linearity of ±2% to 63.5 mm/s pk (2.5 in/s pk). This linearity allows precise trend analysis, helping operators schedule maintenance before failures occur.
Installation & Setup Guidance
Mount the 190501-00-00-04 on a clean, flat surface with a diameter of 33 mm (1.3 in). Apply a mounting torque of 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf). The transducer can be oriented at any angle, simplifying placement in tight spaces. Use the MIL-C-5015 connection interface and cable part number 02173006 for runs up to 305 metres (1,000 ft.) without signal degradation. Ensure pin A connects to the positive signal line; pin A goes positive with respect to pin B when velocity is from base to top.
Maintenance & Reliability
Regularly inspect the transducer and cable for physical damage. The internal electronics are isolated from the case, reducing ground loop issues. The 316L stainless steel construction resists corrosion, extending service life in harsh environments. Verify output bias voltage (10.1 Vdc ± 1.0 Vdc) during routine checks to confirm proper operation.
Selection Guide & Purchasing Advice
Before ordering, verify your application's environmental and safety requirements. The 190501-00-00-04 with agency approval 04 suits Zone 0/1 hazardous areas. Confirm cable length and connector type match your installation. SpareTechPLC stocks this transducer and can advise on compatible accessories like mounting studs or extension cables. Contact our team to ensure you select the correct configuration for your machinery monitoring needs.
Please verify current lifecycle status and availability with SpareTechPLC before ordering.
