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Bently Nevada
Bently Nevada 177230 Seismic Vibration Transmitter
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BN 177230: piezo seismic; velocity FS 0.5/1.0/2.0 in/s; 4–20 mA + accel out. RFQ.
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Key parameters
Measuring range
Velocity full-scale options 12.7 / 25.4 / 50.8 mm/s (0.5 / 1.0 / 2.0 in/s) ±10% broadband RMS; dynamic acceleration output 147 m/s² (15 g) peak
Accuracy
Main loop 4±0.3 mA = 0 mm/s, 20±2 mA = FS; acceleration sensitivity 10.2 mV/m/s² (100 mV/g) ±20%; linearity ±1% FS
Output
Primary 4–20 mA velocity loop (Pin A–B); secondary unbuffered dynamic acceleration (Pin C–B)
Supply
12–30 Vdc loop excitation, current-limited to 40 mA
Electrical connection
3-pin MIL-C-5015, 316L stainless
Ambient temperature
Operating −40 °C class per datasheet environmental limits
Fits seismic velocity loop transmission where you need a Bently Nevada 177230. Ceramic/shear piezo accelerometer transmitter with velocity full-scale options 12.7 / 25.4 / 50.8 mm/s (0.5 / 1.0 / 2.0 in/s) ±10% broadband RMS, primary 4–20 mA velocity loop and secondary unbuffered dynamic acceleration output, 12–30 Vdc loop excitation current-limited to 40 mA, and acceleration sensitivity about 10.2 mV/m/s² (100 mV/g) ±20%.
Key advantages
- FS options — 0.5 / 1.0 / 2.0 in/s class
- Primary — 4–20 mA velocity
- Secondary — Dynamic acceleration
- Sensor — Ceramic/shear piezo
- Supply — 12–30 Vdc; 40 mA limit
Typical applications
- Seismic casing vibration.
- Velocity loop to DCS/PLC.
- Machine housing monitoring.
Selection guide
- Full-scale option
- Mounting
- Cable / connector
Common mistakes
- Wrong FS for expected vibration.
- Ignoring accel secondary wiring.
- Supply outside 12–30 Vdc.
When to RFQ / what to tell us
- FS/options.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 34705 |
| Brand | Bently Nevada |
| Model | 177230 |
| Product type | Seismic Vibration Transmitter |
| Measuring range | Velocity full-scale options 12.7 / 25.4 / 50.8 mm/s (0.5 / 1.0 / 2.0 in/s) ±10% broadband RMS; dynamic acceleration output 147 m/s² (15 g) peak |
| Accuracy | Main loop 4±0.3 mA = 0 mm/s, 20±2 mA = FS; acceleration sensitivity 10.2 mV/m/s² (100 mV/g) ±20%; linearity ±1% FS |
| Output signal | Primary 4–20 mA velocity loop (Pin A–B); secondary unbuffered dynamic acceleration (Pin C–B) |
| Supply voltage | 12–30 Vdc loop excitation, current-limited to 40 mA |
| Sensor type | Ceramic/shear piezo accelerometer seismic transmitter |
| Ambient temperature | Operating −40 °C class per datasheet environmental limits |
Documents
FAQ
Q: FS options? A: 12.7 / 25.4 / 50.8 mm/s.
Q: Outputs? A: 4–20 mA velocity + dynamic accel.
Q: What should I send for a quote? A: FS/options, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | Velocity full-scale options 12.7 / 25.4 / 50.8 mm/s (0.5 / 1.0 / 2.0 in/s) ±10% broadband RMS; dynamic acceleration output 147 m/s² (15 g) peak |
| Accuracy | Main loop 4±0.3 mA = 0 mm/s, 20±2 mA = FS; acceleration sensitivity 10.2 mV/m/s² (100 mV/g) ±20%; linearity ±1% FS |
| Output | Primary 4–20 mA velocity loop (Pin A–B); secondary unbuffered dynamic acceleration (Pin C–B) |
| Supply | 12–30 Vdc loop excitation, current-limited to 40 mA |
| Electrical connection | 3-pin MIL-C-5015, 316L stainless |
| Ambient temperature | Operating −40 °C class per datasheet environmental limits |
| Approvals | CSA/NRTL/C options; ATEX/IECEx hazardous-area options per ordering |
| Mounting | ¼-28 UNF / M6×1 / M8×1.25 stud adapters supplied; 4–7 N·m torque |
| Sensor type | Ceramic/shear piezo accelerometer seismic transmitter |
| Notes | Specs from Bently Nevada 177230 Seismic Transmitter Datasheet 177232 Rev. U on dam.bakerhughes.com. |
| Frequency Response | Velocity −BB 01: 10 Hz–1 kHz ±10% RMS; 02: 3 Hz–1 kHz ±10% peak. Acceleration 2.5 Hz–10 kHz ±10% |
| Case Material | 316L stainless steel; Ø25.4 mm × 66.0 mm; ~131 g |