Phase reference
A stable machine reference places the monitored event within the correct portion of the cycle.
Item NO.:
3500/70MOrder(MOQ):
1Goods Stock:
24Payment:
T/TLead Time：
In stockDescription:
VELOCITY MONITORPrice:
AskBently Nevada 3500 System
A reciprocating-machinery page focused on crank-angle event windows, impulse acceleration and velocity insight.
An impact on a reciprocating machine becomes more useful when it is tied to the correct crank-angle window. 3500/70M supports impulse acceleration, Acceleration 2 and reciprocating-velocity measurements with configurable angle bands.
Band start, duration, high- and low-pass filters and revolution averaging shape the result produced by 3500/70M. A stable phase reference allows the monitor to associate an event with the intended portion of the machine cycle instead of treating all impacts alike.
Buyers can improve replacement accuracy by sharing the monitored event, transducer arrangement, phase reference and current filter settings. ApterPLC can use these details to help source 3500/70M for the actual diagnostic task.
The module turns a timed vibration event into a repeatable machine-condition measurement.
A stable machine reference places the monitored event within the correct portion of the cycle.
Start angle and duration determine which impacts contribute to the measurement.
Filtering and revolution averaging shape the trend used for alarms and maintenance decisions.
Timed impact energy can be monitored within the selected crank-angle band.
Velocity measurements support a different view of machine motion and condition.
Configured averaging helps create a stable trend from repeating machine cycles.
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Product family | 3500 reciprocating machinery monitoring |
| Module role | Impulse acceleration and reciprocating velocity monitoring |
| Measurement options | Impulse acceleration, Acceleration 2 and Recip Velocity |
| Angle-band setup | Configurable start angle and duration |
| Signal conditioning | Configurable high-pass, low-pass and revolution averaging |
| Reference requirement | Valid machine phase or Keyphasor relationship |
| Place of shipment | Xiamen, China |
| Delivery Time | 1-3 days |
| Quantity | 100% New Original |
| Minimum Order Quantity | 1pc |
A shifted phase reference can move a real impact outside the active angle band even when the transducer remains healthy.
A baseline is meaningful only when the channel mode, angle window, filter package and averaging remain consistent.
3500/70M measures events within a configured crank-angle window, so a clean trend can be misleading when the phase reference or band timing is wrong. The event window defines what the monitor can see. ApterPLC can help buyers compare phase, transducer and filter details before sourcing a replacement module.
The phase reference places each measured impact within the machine cycle. If timing shifts, a real event can move outside the configured angle window.
These channel functions answer different condition-monitoring questions and use different signal treatment. The selected function should match the transducer and diagnostic objective.
A changed phase reference, angle-band start, duration, filter or transducer mounting can remove the event from the active measurement window.
It combines repeated cycles into a steadier value. More averaging can improve trend stability, while also reducing the visibility of short isolated changes.
The channel mode, phase source, angle window, filters and averaging should remain consistent; otherwise the trends may represent different measurements.
The monitored event, transducer, phase source, angle band, filter package, averaging, rack labels, quantity and destination provide the best matching context.
Please share the transducer model, channel function, crank-angle band, phase-reference source, filter and averaging settings, module labels, quantity and destination.
New original supply: sourcing support for current, discontinued and difficult-to-find industrial automation parts.
No additional manufacturer-confirmed model variants are displayed. Please use 3500/70M exactly when requesting a quotation or technical document.
ApterPLC provides a one-year warranty on every item we sell, supporting a dependable industrial automation purchase from quotation through after-sales communication.
ApterPLC can help match available technical information to the product and system you are using. A clear label photo and a short description of the required document give our team the best starting point.
| 3500/20 125744-02 | 3500/23E | 3500/32 |
| 3500/33 | 3500/42E | 3500/50E |
| 3500/50M | 3500/53M | 3500/64M |
| 3500/65 | 3500/70M | 3500/72M |
| 3500/77M | 3500/90 | 3500/22M 138607-01 |
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