Ceramic shear sensing
The sensing element reacts to acceleration transferred through the threaded mounting base.
Bently Nevada 200150-06-05 Trendmaster Accelerometer
Product Description
A hermetically sealed seismic sensor is provided by Bently Nevada 200150-06-05, a general-purpose accelerometer for Trendmaster 2000 and Trendmaster Pro machinery-monitoring systems. Mounted on the machine casing, its ceramic shear element converts acceleration into a differential electrical output that travels through the top five-pin connector to the connected transducer interface module.
Mounting option 06 gives 200150-06-05 a compact 3/8-24 to 1/4 NPT hex stud, and suffix 05 selects the multiple-approval configuration. The stainless-steel body operates from -40 to +105°C, while the cable interface supplies excitation, signal conductors and shielding; the output settles around a +2.5 V bias before dynamic acceleration is evaluated by the monitoring channel.
Technical Specifications
| Technical Item | 200150-06-05 |
|---|---|
| Brand | Bently Nevada |
| Product Type | General-purpose Trendmaster accelerometer |
| Mounting Stud | 3/8-24 to 1/4 NPT, 3/4 in hex |
| Approvals | Multiple approvals: CSA, ATEX and IECEx |
| Sensitivity at 80 Hz | 10.2 mV/(m/s²) (100 mV/g) ±12% |
| Measurement Range | ±245 m/s² (±25 g) |
| Frequency Range | 10 to 1000 Hz (600 to 60,000 cpm) ±10% |
| Mounted Resonance | Greater than 20 kHz |
| Amplitude Linearity | ±2% from 1 to 10 g pk |
| Transverse Sensitivity | 7% maximum |
| Settling Time | 300 ms maximum within 5% of bias |
| Excitation | 4.7 to 5.5 Vdc |
| Output Bias | +2.5 ±0.23 Vdc |
| Electrical Isolation | 600 Vrms |
| Operating Temperature | -40 to +105°C |
| Axial Shock Limit | 5000 g pk |
| Sealing | Hermetic; 5×10⁻⁸ atm·cc/s maximum |
| Relative Humidity | 100% condensing, non-submerged |
| Housing | 316L stainless steel |
| Electrical Connector | Top 5-pin, 1/2-20 |
Monitoring and Control - Acceleration Signal Path
Bently Nevada 200150-06-05 converts case acceleration into the differential signal handled by a Trendmaster interface channel.
Differential voltage output
SIG+ moves positive relative to SIG- for acceleration from the base toward the connector.
Interface-channel processing
The five-pin cable brings excitation to the sensor and returns the biased dynamic signal for monitoring.
Safety and Compliance - Sealed Sensor Installation
The approved construction of 200150-06-05 links enclosure sealing, electrical limits and mounting hardware to the installed sensor.
Hermetic stainless body
The sealed 316L enclosure isolates the sensing electronics from condensing, non-submerged humidity.
Approved electrical limits
The 05 option identifies the multiple-approval sensor configuration for the stated hazardous-area parameters.
Defined mounting interface
The supplied 1/4 NPT stud provides the machine-side thread while the sensor retains its 3/8-24 female mount.
Questions
Which machine thread is supplied with Bently Nevada 200150-06-05?
The 06 stud adapts the sensor’s 3/8-24 female mount to a 1/4 NPT machine connection. Its hex section is 3/4 inch.
Can Bently Nevada 200150-06-05 be connected with a two-wire velocity cable?
No. The accelerometer uses a top five-pin interface and a four-conductor shielded cable construction. The connector and interface wiring must match the Trendmaster accelerometer path.
How quickly does Bently Nevada 200150-06-05 settle after power is applied?
The published settling time is 300 ms maximum to within 5% of bias. Measurements should not be evaluated as stable before that bias condition is reached.
Does the IP67 cable seal make Bently Nevada 200150-06-05 suitable for submersion?
No. The sensor is rated for 100% condensing humidity but is specified as non-submerged. IP67 applies to the mated cable connector seal, not unlimited immersion of the installation.
What dc level is normal at the output of Bently Nevada 200150-06-05?
The nominal quiescent bias is +2.5 Vdc with a ±0.23 V tolerance. Dynamic acceleration appears as the differential signal around that operating point.
Moore Automation
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