Introduction: Solving Hazardous Area Vibration Monitoring Challenges
When monitoring machinery vibration in explosive environments, standard sensors often fail to meet safety certifications. The Bently Nevada 107770-01-01 velocity transducer housing solves this problem by combining a 330500 Velomitor Sensor with a 21128 Housing in a factory-preinstalled unit. This assembly is rated for CENELEC Zone 1, Group IIC hazardous area applications, ensuring reliable operation where safety is critical.
Technical Specifications Breakdown
The Bently Nevada 107770-01-01 features specific options that define its installation flexibility. The mounting thread option is 01 = Unthreaded, allowing straightforward attachment without specialized threading. The cable exit fitting option is 01 = 1/2-14 NPT plug, providing a standard conduit connection for secure cable routing. These specifications ensure compatibility with common industrial enclosures and wiring practices.
Industry Applications: Where This Housing Excels
In petrochemical plants, refineries, and gas processing facilities, rotating equipment like compressors and pumps require continuous vibration monitoring. The 107770-01-01 is designed for these environments, as its CENELEC approval covers Zone 1, Group IIC areas where flammable gases may be present. By using this housing, engineers avoid the risk of using uncertified sensors that could ignite hazardous atmospheres.
Installation & Setup Guidance
When installing the 107770-01-01, ensure the equipment meets the entity parameters listed for safe use. The cables must be type A or B in compliance with EN 60079-25, respecting the cable parameters associated with the entity parameters. For Zone 2 applications, the supply electrical parameters must not exceed the values specified in the tables above. Always follow the manufacturer's guidelines for mounting and wiring to maintain certification integrity.
Maintenance & Reliability
Routine inspection of the housing and cable connections is recommended to verify proper operation. Since the unit is factory-preassembled, there are no field adjustments required for the sensor-housing interface. The RoHS Directive 2011/65/EU compliance ensures environmental responsibility. For long-term reliability, verify that the cable type and parameters remain within the specified limits during maintenance intervals.
Selection Guide & Purchasing Advice
Before purchasing the Bently Nevada 107770-01-01, confirm that your application requires a CENELEC approved housing for Zone 1, Group IIC hazardous areas. The unthreaded mounting option and 1/2-14 NPT plug cable exit suit most standard installations. SpareTechPLC offers this unit new and original in factory packing with a 12-month warranty. Contact us to verify current lifecycle status and availability before ordering.
Frequently Asked Questions
Q1: What is the difference between the 107770-01-01 and a standard velocity transducer?
A1: The 107770-01-01 is a factory-preassembled combination of a 330500 Velomitor Sensor and a 21128 Housing, specifically rated for CENELEC Zone 1, Group IIC hazardous areas, unlike standard sensors without such certification.
Q2: Can I use this housing in Zone 0 applications?
A2: Yes, for Zone 0/1, the equipment must be connected to equipment meeting the entity parameters, and cables type A or B per EN 60079-25 must be used. Follow the conditions of safe use provided.
Q3: What cable exit options are available for the 107770-01-01?
A3: The cable exit fitting option for this model is 01 = 1/2-14 NPT plug. Other options may be available; check the ordering information for details.
Q4: Is the 107770-01-01 RoHS compliant?
A4: Yes, it complies with RoHS Directive 2011/65/EU.
Q5: What warranty does SpareTechPLC offer for this product?
A5: SpareTechPLC provides a 12-month factory warranty for the 107770-01-01, which is supplied new and original in factory packing.
