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Phone: +86 16626708626Description
- Key Technical Specifications
- Manufacturer: Bently Nevada (Baker Hughes)
- Part Number: 1701/25-01 (ordering info)
- Alternate Part Number: 1034549-21, 141484-01
- Product Family: FieldMonitor portable machinery monitor
- Module Type: Seismic Input Monitor
- Channels: 2 independent channels
- Input Type: Velocity and acceleration (seismic) sensors
- Indicators: Per-channel LED status indicators
- Ambient Temperature: −30 to +70 C
- Weight: 0.216 kg (0.48 lb)
- Dimensions: 12.5 × 10.5 × 2 cm (approx.)
- Application: Seismic monitoring in oil & gas, power, chemicals, pulp & paper
- Status: Legacy/limited stock
- Product Introduction
Bently Nevada 1701/25 is a 2-channel seismic input monitor for the FieldMonitor portable machinery condition monitor. It accepts velocity and acceleration (seismic) sensors and provides real-time signal processing for vibration analysis and early fault detection in rotating equipment.
This module is used when monitoring bearing housing vibration, structure-borne seismic, or machine velocity on critical assets. It interfaces to FieldMonitor terminal bases and supports asset protection in hazardous environments, commonly in oil & gas, power generation, and manufacturing
- 1701/25
- 1701/25
- Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No LED on one channel | Sensor open, wiring fault, or channel failure | ✅ High | Check sensor continuity and wiring at the terminal | Replace sensor/cable first; swap channels to isolate module fault |
| LED on but no reading in software | Sensor not connected, wrong type, or config mismatch | ✅ High | Verify sensor type and mounting, check config in FieldMonitor software | Match sensor type to config and reseat connections |
| Erratic or high noise reading | Loose sensor mounting, EMI, or ground loop | ✅ Medium | Check sensor mounting torque and shielding/grounding | Secure mounting and improve shielding/grounding |
| Both channels dead | Module power or backplane fault | ✅ High | Measure power at the module backplane connectors | Check system power and base before replacing module |
| Intermittent loss of reading | Loose seat in slot or marginal connection | ✅ Medium | Reseat the module and inspect slot contacts | Clean slot and reseat; test again |
| Over-temperature warning | Ambient >70 C or poor airflow | ❌ Low | Check cabinet temperature and ventilation | Improve cooling or relocate monitor |
If you are stuck, contact technical support with photos of the label, slot, and diagnostic logs.
- Frequently Asked Questions (FAQ)
Q: Is “1701/25” the same as “1701/25-01”?
A: Yes, 1701/25-01 is the full ordering suffix for the 1701/25 Seismic Input Monitor. Most stock lists use 1701/25 as shorthand.
Q: What sensors can I connect to this module?
A: It accepts seismic velocity and acceleration sensors. Match the sensor type and mounting to the module’s channel configuration in FieldMonitor software.
Q: Can I hot-swap the 1701/25 in the terminal base?
A: No. Remove power before swapping modules to avoid damaging the backplane or other modules.
Q: Why is this cheaper than buying from Baker Hughes?
A: Because this is typically surplus or refurbished stock. The OEM channel may not carry it as new, so secondary market stock is priced lower.
Q: Do you test the 1701/25 before shipping?
A: A proper seller powers the module, checks per-channel LEDs, and verifies sensor input with a known-good seismic sensor. Ask for test results and photos before you buy.
Q: What should I verify before ordering?
A: Confirm the exact model (1701/25-01), the terminal base type, and your sensor type (velocity vs acceleration). That is where most install problems start.
Q: Is 1701/25 still available new from Bently Nevada?
A: In most cases, no. It is treated as a legacy module, so current stock usually comes from surplus or refurbished suppliers.
