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Bently Nevada 121M6469-02 Ranger Pro Wireless Sensor
Bently Nevada 121M6469-02 Ranger Pro Wireless Sensor. Brand New Original Stock available for Global Shipping.
Description
The Bently Nevada 121M6469-02, also cataloged as the 121M6469 Wireless Triaxial Vibration and Temperature Sensor, operates as a dedicated hardware component for wireless vibration and casing temperature data acquisition within Bently Nevada System 1 condition monitoring networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 121M6469-02 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | Approx. 230 g without battery; approx. 300 g with battery |
| Dimensions | Height: 88 mm; Diameter: 40 mm |
| Operating Temp | -40 deg C to +85 deg C |
| Power Consumption | Low-power wireless operation via internal battery |
| Product Type | Wireless Triaxial Vibration and Temperature Sensors |
| Sensor Technology | Piezoelectric ceramic accelerometer with integrated temperature sensor |
| Measurement Axes | Triaxial vibration measurement (X, Y, Z axes) with casing temperature |
| Wireless Protocol | ISA100.11a / WirelessHART |
| Frequency Range | Z-axis: 5 Hz to 10 kHz; X/Y axes: 5 Hz to 4 kHz |
| Acceleration Range | +/-20 g peak |
| Battery Type | Replaceable 3.6 V lithium-thionyl chloride (Li-SOCl2) D-size battery |
| Ingress Protection | IP67 |
| Housing Material | 316 stainless steel body with glass-reinforced PPS top |
| Hazardous Area Rating | Intrinsically Safe, ATEX/IECEx Zone 0, Class I Division 1 |
Transducer Signal Conditioning & Rotor Dynamics
The 121M6469-02 conditions dynamic triaxial vibration signals across three orthogonal planes (X, Y, Z) alongside casing temperature readings for direct transmission to System 1 condition monitoring software. Internal signal processing circuits scale dynamic acceleration and velocity data while providing active cross-talk suppression between orthogonal measurement channels. Consequently, this multi-axis capability enables precise evaluation of rotor dynamics, structural resonance, bearing degradation, and shaft misalignment without requiring complex field wiring infrastructure.
Frequently Asked Questions
Q: What wireless transmission protocols does the 121M6469-02 sensor support?
A: The sensor operates over ISA100.11a and WirelessHART industrial wireless protocols, providing line-of-sight communication distances up to 150 m.
Q: What mounting interface does the 121M6469-02 body incorporate?
A: The 316 stainless steel housing features an M6 x 1 mm internal thread with a depth of 5 mm for stud or adapter mounting.
Field Installation Guidelines
- Thread the 121M6469-02 securely onto a prepared mounting stud or magnetic base on the bearing housing using the integrated M6 x 1 mm threaded interface.
- Verify clean metal-to-metal contact between the stainless steel sensor base and the machine surface to preserve high-frequency vibration signal transmission up to 10 kHz.
- Confirm that the internal 3.6 V Li-SOCl2 battery is properly seated and that the housing cap seal is fully tightened to maintain the IP67 ingress protection rating.
- Establish a clear wireless path to the nearest gateway node, ensuring that distance limits stay within 150 m for line-of-sight or 100 m for sensor-to-sensor links.
Additional information
| Weight | 0.60 kg |
|---|---|
| Dimensions | 37 × 74 × 62 mm |
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