Bently Nevada 3300/48 Case Expansion Monitor
| Brand | Bently Nevada |
| Module Number | 3300/48 |
| Order Number | 3300/48 |
| Unit Price | $1500 |
| Country Of Origin | USA |
| Weight | 0.8kg |
| Certificate |
C/O from the Chamber of Commerce C/Q from the Manufacturer |
| Warranty | 12 Months |
| Inventory Qty | 1 |
Bently Nevada 3300/48 is a shell expansion monitor that measures the shell thermal expansion value of large rotating equipment in real time through a dual-channel DC LVDT, and calculates the difference between the two channels to generate an alarm signal.
Bently Nevada 3300/48 Key parameters
|
Parameter |
Specification |
Notes |
|
Input Signal Type |
Two DC LVDT Transducers |
Linear Variable Differential Transformers |
|
Input Impedance |
1.0 MΩ |
High impedance for signal stability |
|
Power Consumption |
1.5 W nominal |
Low-energy operation |
|
Accuracy |
±0.33% FS (typical), ±1% FS (max) at +25°C |
Industry-leading precision |
|
Recorder Output Options |
+4–20 mA, 0––10 Vdc, +1–5 Vdc |
Programmable via jumpers |
|
Recorder Output Accuracy |
±0.7% (current), ±1.1% (voltage) at +25°C |
Includes signal conditioning error |
|
Alarm Setpoints |
0–100% FS (digitally adjustable) |
Dual alarms: Alert & Danger |
|
Operating Temperature |
0°C to +65°C (+32°F to +150°F) |
Industrial-grade range |
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Payment Term：T/T
Bently Nevada 3300/48 Key Features
Dual-channel differential measurement
Bently Nevada 3300/48 uses dual LVDT input fusion technology to directly output the absolute difference of shell thermal expansion, eliminating single-point measurement errors. Its differential mode can accurately capture the asymmetric expansion of the turbine during cold start-up to prevent friction between moving and static parts.
Industrial protection and compatibility
Complies with CSA/NRTL/C and ATEX explosion-proof standards, suitable for high temperature and high humidity power plant environments. The modular design is compatible with the 3300 series rack, supports panel or rail installation, and the seismic performance meets API 670 requirements.
Intelligent alarm and diagnosis
The dual-level independent alarm (Alert/Danger) supports digital fine-tuning (±0.4% repeatability), combined with the OK LED status light to diagnose sensor and wiring faults in real time to reduce false downtime.
