Manufacturer: Bently Nevada
Product No.: 3500/44M 176449-03
Country of origin:United States
Product Type: Aeroderivitive GT Vibration Monitor
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 910g
Dimensions: 241.3 mm x 24.4 mm x 241.8 mm
Shipping port: Xiamen
Warranty: 12 months
The 3500/44M, full spare part assembly number 176449-03, is a four-channel machinery hardware instrument specifically engineered for aeroderivative gas turbine vibration processing. The module operates as a dedicated technical subsystem within the 3500 Machinery Protection System, acquiring signals directly from Velomitor velocity sensors and dynamic accelerometers through specialized external interface hardware. It continuous performs algorithmic comparisons of real-time machine health indices against user-programmable alarm limits to drive localized protective relays. Utilizing the 3500 Rack Configuration Software, the component supports multi-mode logic handling up to eight individual profiles of alert and danger limits per channel, adapting instantaneously to active engine loading states via hardware contact inputs or communications gateway buses. Integrated signal tracking filters accept dual independent Keyphasor references, ensuring exact synchronous 1X amplitude tracking and wide band-pass tracking across variable-speed turbine shafts.
| Option Code | Description |
|---|---|
| 3500/44M-AXX-BXX | Aeroderivitive GT Vibration Monitor |
| A: I/O Module Type | |
| 01 | Aero GT I/O Module with Internal Terminations |
| 02 | Aero GT I/O Module with External Terminations |
| 03 | Prox/Velom I/O Module with Internal Terminations |
| 04 | Prox/Velom I/O Module with External Terminations |
| 05 | Multimode Prox/Velom I/O Module with Internal Terminations |
| 06 | Multimode Prox/Velom I/O Module with External Terminations |
| B: Agency Approval Option | |
| 00 | None |
| 01 | CSA/NRTL/C (Class 1, Div 2) |
| 02 | ATEX/IECEx/CSA (Class 1, Zone 2) |
| Spares | |
| 176449-03 | 3500/44M Aeroderivitive GT Vibration Monitor Main Module |
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model | 3500/44M |
| Part Number | 176449-03 |
| Input Channel Count | 4 Channels |
| Input Signal Types | Accelerometers, Velomitor sensors, proximity probes |
| Nominal Power Consumption | 7.7 Watts typical |
| Input Impedance (Standard) | 10 kΩ (Prox/Velom I/O type) |
| Signal Integration Accuracy | Within ±0.33% of full-scale typical |
| 1X Vibration Tracking Range | 4.0 Hz to 4000 Hz |
| Band-pass Frequency Scope | 10 Hz to 10 kHz standard configuration |
| Buffered Transducer Outputs | Front-panel coaxial BNC connectors |
| Buffered Output Impedance | 550 Ω |
| Alarm Delay Intervals | Configurable from 0.1 to 60 seconds |
| Operating Temperature Range | -30 Celsius to +65 Celsius (-22 Fahrenheit to +150 Fahrenheit) |
| Storage Temperature Limits | -40 Celsius to +85 Celsius (-40 Fahrenheit to +185 Fahrenheit) |
| Operating Humidity Limits | 95% non-condensing relative humidity |
| Main Monitor Card Weight | 0.91 kg |
| I/O Terminal Module Weight | 0.45 kg |
| Main Monitor Dimensions | 241.3 mm x 24.4 mm x 241.8 mm |
| I/O Module Dimensions | 241.2 mm x 24.4 mm x 99.1 mm |
| Chassis Space Requirement | 1 full-height front slot and 1 full-height rear slot |
Q: Can this component interface directly with high-temperature acceleration sensors without any auxiliary hardware?
A: No, standard accelerometers or high-temperature casing probes require matching external charge amplifiers or external interface sub-modules before the terminal block links to the monitor.
Q: What is the physical structural difference between model 3500/44M and component 176449-03?
A: The 3500/44M defines the full aeroderivative monitoring product family catalog code, while 176449-03 specifies the direct warehouse replacement part number for the main processing card alone.
Q: How does the internal multi-mode tracking architecture execution operate when a turbine shifts load?
A: The monitor samples external dry contact statuses or software network words, matching the live operational stage of the turbine engine to immediately step into one of the eight separate user-defined alert and danger alarm sets.
Q: Is it possible to configure this unit without a dedicated Keyphasor speed loop reference card in the rack?
A: Yes, basic wide band-pass filtering operations can operate independently, but synchronous 1X shaft tracking requires active Keyphasor reference signals delivered through the rack internal backplane.
Q: Will an instrumentation line fault across one transducer impact the data analysis performance of the other three channels?
A: No, individual processing pathways inside the module isolate faulty field lines, so an active fault on channel 1 will drop its specific OK LED status without disturbing adjacent channel metrics.
Global Express Shipping
Returns & Warranty
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Greyish White
Silver
|
| Country of origin |
United States
|
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