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Bently Nevada
Bently Nevada 177230 Seismic Transmitter
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Ключевые параметры
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
| Параметр | Значение |
|---|---|
| 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 |