1900/27-03 Bently Nevada vibration monitor module
Bently Nevada 1900/27-03 Trendmaster 2000 accelerometer
1900/27 Vibration Monitor motor / pump sets monitoring
1900/27-03 standalone monitor single-channel vibration monitoring
Lugar de origem:
EUA
Marca:
Bently Nevada
Número do modelo:
1900/27-03
Bently Nevada 1900/27-03 Trendmaster 2000 accelerometer
,1900/27 Vibration Monitor motor / pump sets monitoring
,1900/27-03 standalone monitor single-channel vibration monitoring
- Definition: Single-channel, stand-alone, locally mounted vibration monitor
- Purpose: Low-cost, continuous machinery protection for general-purpose rotating equipment
- Power (-03 Option): Dedicated +24 Vdc version (18 to 36 Vdc, 300 mA max)
- Input Sensitivity: 100 mV/g from compatible accelerometers (e.g., Bently Nevada 200150, 190520)
- Signal Conditioning: Transforms input into peak velocity units (up to 50.8 mm/s or 2.0 in/s)
- Frequency Response: 8 Hz to 4 kHz
- DCS Integration: Built-in 4-20 mA interface for easy parameter trending in plant automation systems
- Relay Protection: Two SPDT relay contacts for local Alert and Danger trip outputs
- Diagnostics: Features a local LCD, four LED indicators (OK, Alert, Danger, BYPASS), and a front-panel BNC buffered transducer output
- Security: Configurable alarm time delays, circuit fault detection, and manual relay bypass switches
- Target Machinery: Continuous protection for essential motor/pump sets, fans, and small compressors
- Environment: Certified for Class 1, Division 2 (Groups A, B, C, D) hazardous locations
- Temperature: Operates reliably from -20°C to +70°C
- Compatibility: Integrates with Trendmaster 2000 automated data collection systems via an optional TIM module
- Legacy Spares: Serves as a 4-20 mA upgrade or replacement for legacy Bently Nevada 1900/25 monitors
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Look at the front LEDs, it’s usually enough. If the green OK LED goes OFF, it’s often pointing to a transducer fault detection issue—broken wiring, bad probe, or loop problem. In that case the 4-20 mA interface output will also drop into an abnormal state.
If the green light stays ON but ALERT / DANGER shows up, then the loop is fine. That’s basically real machine behavior picked up by the single-channel vibration monitoring, not a sensor problem.
The old 1900/25 Monitor sits more in the Trendmaster 2000 ecosystem. The Bently Nevada 1900/27-03 adds a built-in 4-20 mA buffered velocity output, so it connects much easier into DCS / PLC trending integration without extra interface gear.
It’s intentional. During maintenance, when the unit is put into BYPASS, the output can be forced to 2 mA. This helps the control system clearly separate maintenance mode from real signals (4 mA normal, 0 mA fault). Keeps things from getting misread in the control room.
Yes, still works with Trendmaster 2000 accelerometer systems. In most setups, a Transducer Interface Module (TIM) is used to bridge the signal into the network.
Latching mode keeps the relay alarm contacts active until manual reset, commonly used in machinery protection systems. Nonlatching mode resets automatically once vibration drops back to normal, more for general monitoring or indication use.
| 330103-02-07-10-02-00 | 21000-28-10-00-098-04-02 |
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| 330103-05-13-10-02-00 | 330104-00-05-10-02-00 |
| 330103-07-12-10-02-00 | 330101-00-08-20-02-05 |
| 330104-01-05-10-02-00 | 330130-070-00-00 |
| 330703-050-120-10-02-00 | 330130-080-01-05 |
| 330709-050-120-10-02-00 | 330703-000-060-50-12-00 |
| 76686-040-01 | 330103-00-06-15-02-CN |
| 81305-040-00 | 330130-030-01-CN |
| 135489-04 | 102044-00-18-10-02 |
| 128031-01C 128031-01 | 144181-50 |
| 330904-05-14-05-02-00 | 3500/42E |
| 330930-040-00-00 | 3500/50E |
| 330909-00-60-10-02-05 | 330101-30-63-10-02-00 |
| 21000-16-10-15-057-03-02 | 330130-035-00-CN |
| 21000-16-10-15-102-03-02 | 330130-035-01-CN |
| 21000-16-10-15-114-03-02 | 330130-045-01-CN |
| 21000-16-10-15-144-03-02 | 330104-00-07-05-02-00 |
| 991-01-XX-01-CN | 330130-085-01-00 |
| 3500/93 135799-02 | 40113-02 |
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