Name: 86517-XX-XX-01-02 Bently Nevada Module | Accelerometer Interface 50/100pC/g
SKU: 86517-XX-XX-01-02
Price: 234.00 USD
Availability: InStock

Product details

86517-XX-XX-01-02 – Bently Nevada Accelerometer Interface Module

Brand: Bently Nevada | Model: 86517-XX-XX-01-02 | Type: Accelerometer Interface Module

Charge-to-voltage converter for piezoelectric accelerometers. Provides acceleration (10mV/g) and velocity (100mV/in/s) outputs. 12th order bandpass filters. For machine monitoring systems.

Key Features

Dual outputs – acceleration + velocity
Flexible filtering – 3 filter options
Charge input – 50 or 100 pC/g sensitivity
Long cable drive – buffered outputs
High accuracy – ±5% velocity
Rugged design – 0-70°C operation

Technical Specifications

General
- Brand: Bently Nevada
- Model: 86517-XX-XX-01-02
- Type: Accelerometer Interface Module
- Part: MOD159840-01
Ordering Options
- A: Charge sensitivity – 01 (50pC/g) or 02 (100pC/g)
- B: Filter – 01 (25/350Hz), 02 (100/560Hz), 03 (40/300Hz)
- C: Bias – 01 (-10Vdc only)
- D: Approval – 02 (CENELEC SIRA)
Power
- Supply: -23 to -26 Vdc
- Current: 22mA max
Input
- Type: Differential from piezoelectric accelerometer
- Sensitivity: 50 or 100 pC/g pk
- Max capacitance: 8300 pF (sensor + cable)
- Overload: 50,000 pC (50pC/g) / 100,000 pC (100pC/g)
Acceleration Output
- Sensitivity: 10 mV/g pk (1.02 mV/m/s² pk)
- Dynamic range: 750 g (typical)
- Frequency response: -3dB at 4.7Hz (low), ~5000Hz (high)
Velocity Output
- Sensitivity: 100 mV/in/s pk (3.93 mV/mm/s pk)
- Dynamic range: 20 in/s pk (25-1000Hz)
- Accuracy: ±5% at 25°C in passband
Filters
- Type: 6th order Butterworth, -36dB/octave
- Options: 25/350Hz, 40/300Hz, 100/560Hz
- Attenuation at corner: -3dB ±0.5dB
Environmental
- Operating temp: 0…70 °C
- Storage temp: -40…85 °C
- Humidity: 0-95% (non-condensing)
Mechanical
- Input connector: MS-3112-8-3P
- Output: 8-lug terminal block
- Dimensions: 76.2 x 82.6 x 139.7 mm

Installation & Commissioning

Mounting: Rack mount – standard Bently Nevada form factor.
Wiring: Use Belden 83336 (18AWG) or 83334 (22AWG) – up to 305m.
Setup: Select filter and sensitivity options per application.
Calibration: Factory calibrated – no field adjustment needed.

Compatibility & Applications

Systems: Bently Nevada 3500 series monitoring systems.
Sensors: Piezoelectric accelerometers (50 or 100 pC/g).
Use cases: Machine vibration monitoring, turbine and compressor protection.

Package & Delivery

Package: 1 module + documentation.
Warranty: 12 months.
Shipping: FedEx, UPS, DHL – dispatched within 12-24 hours.

Expert Review

“Essential for vibration monitoring systems. Dual acceleration/velocity outputs cover all needs. Filter options match any machine speed. Bently Nevada quality ensures reliability.”

Manager’s Insight

“Perfect for turbine and compressor protection. The 12th order filters reject unwanted noise. Use with Bently 3500 racks for seamless integration.”

Application Scenarios

Gas and steam turbine vibration monitoring
Compressor and pump protection systems
Motor and generator condition monitoring
Industrial machine diagnostics

Comparison with Similar Models

86517-XX-XX-01-02 – Charge input, 10mV/g + 100mV/in/s.
86517-XX-XX-01-01 – Different agency approval.
86517-XX-XX-02-02 – 100pC/g sensitivity, CENELEC.
86518-XX-XX-01-02 – IEPE version (no charge amp).

FAQ

What does this module do?
Converts charge from accelerometer to voltage outputs.
What outputs does it provide?
Acceleration (10mV/g) and velocity (100mV/in/s).
What filter options are available?
25/350Hz, 40/300Hz, or 100/560Hz.
What power supply does it need?
-23 to -26 Vdc at 22mA max.
What accelerometers are compatible?
50 or 100 pC/g piezoelectric types.
What is the operating temperature range?
0 to 70 °C.
Can I use long cables?
Yes – up to 305m with shielded twisted pair.
How to choose between 50 and 100pC/g sensitivity?
Choose based on accelerometer output – match the sensor.