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Bently Nevada 3300/50-01-02-03-02 3300 Series Tachometer Monitor
Purchase authentic Bently Nevada 3300/50-01-02-03-02 Tachometer Monitors. Brand New in original factory packaging with Original Stock and Global Shipping.
Description
The Bently Nevada 3300/50-01-02-03-02, also cataloged as the 3300/50 Tachometer Monitors, operates as a dedicated hardware component for continuous rotative shaft speed measurement, acceleration tracking, and zero speed indication within 3300 Series machinery monitoring racks.
Suffix Breakdown & Model Matrix
| Option | Specification |
|---|---|
| 3300/50 | Base model: Tachometer Monitor |
| -01 | Tachometer Type Option: Dual Setpoint Tachometer |
| -02 | Alert Relay Option: Hermetically-sealed relays |
| -03 | Agency Approval Option: Factory Mutual (FM) / CSA / NRTL / C |
| -02 | Safety Barrier Option: Internal safety barriers |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3300/50-01-02-03-02 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 1.2 kg |
| Dimensions | Standard 3300 Rack Module Slot (Full-Height) |
| Operating Temp | 0 deg C to +65 deg C |
| Power Consumption | 1.0 W typical (Backplane bus draw) |
| Product Type | Tachometer Monitors |
| Input Channel Count | 1 channel monitor (Accepts inputs from 2 transducers with internal voting logic) |
| Function Type | Dual Setpoint Tachometer |
| Proportional Output | Proportional voltage or current output on rear terminal strip (Data logging only) |
| Alarm Relay Type | Hermetically-sealed relays |
| Safety Barrier Option | Internal safety barriers included |
Eddy-Current Probe Scaling and Rotor Dynamics
The Bently Nevada 3300/50-01-02-03-02 processes pulse trains generated by proximity probes or magnetic pickups observing speed wheels. Maintaining precise eddy-current probe scaling ensures accurate detection of voltage transitions to calculate exact shaft rotational frequencies. Integrated internal voting logic between the two transducer inputs prevents false speed indications if a single sensor fails. Consequently, this precise processing allows operator monitoring of rotor dynamics during machine start-up, coast-down, and steady-state conditions.
Frequently Asked Questions
Q: Can the proportional analog output on the 3300/50-01-02-03-02 be used for active overspeed trip loops?
A: No, the analog output and speed alerts are designed for annunciation, data logging, and chart recording only. Overspeed protection applications require dedicated systems such as the 3300/53 or 3500/53 Electronic Overspeed Detection Monitors.
Q: How do internal safety barriers (-02) affect field transducer wiring?
A: Internal barriers limit electrical energy sent to field speed sensors in hazardous locations, enabling direct cable connection to the rear terminal block without external barrier assemblies.
Field Installation Guidelines
- First, insert the 3300/50-01-02-03-02 module into the assigned slot of the 3300 system chassis and tighten the top and bottom panel retaining screws.
- Next, wire the speed transducer signal leads to the corresponding terminals on the rear terminal block assembly.
- Additionally, connect all field cable shield conductors directly to the designated rack ground bus to prevent electrical noise interference.
- Finally, apply main system power, configure threshold setpoints, and verify pulse conditioning using a frequency generator or live shaft rotation.
Additional information
| Weight | 1.20 kg |
|---|---|
| Dimensions | 45 × 54 × 31 mm |
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