Bently Nevada 330850-51-CN 3300 XL 25 mm Proximitor Sensor
Large Linear Range Seamless Integration
Non-Contacting Measurement Interchangeable Design
Negative 24Vdc Operation Gold-Plated Connectors
Luogo di origine:
U.S.A.
Marca:
Bently Nevada
Numero di modello:
altri, di peso inferiore o uguale a 300 g/m2
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Dettagli del prodotto
Modello:
altri, di peso inferiore o uguale a 300 g/m2
Paese di origine:
U.S.A.
Luogo di spedizione:
Xiamen, Cina
peso:
0.255 kg
SPEDIZIONE:
TNT, DHL, Fedex, SME, UPS
MOQ:
1 pezzo
Confezione:
Confezione nuova originale
Evidenziare:
Large Linear Range Seamless Integration
,Non-Contacting Measurement Interchangeable Design
,Negative 24Vdc Operation Gold-Plated Connectors
Termini di trasporto & di pagamento
Quantità di ordine minimo
1
Prezzo
66USD
Imballaggi particolari
Nuovissimo e originale
Tempi di consegna
2-3 giorni lavorativi
Termini di pagamento
T/T
Capacità di alimentazione
in magazzino
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Descrizione di prodotto
Bently Nevada 330850-51-CN 3300 XL 25 mm Proximitor Sensor
| Feature | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Product Series | 3300 XL 25 mm Proximitor Sensor |
| Part Number | 330850-51-CN |
| System Length | 5.0 Metres (16.4 feet) |
| Mounting Option | 35 mm DIN rail mount |
| Agency Approval | CN: NEPSI (China Hazardous Area Certification) |
| Sensor Type | Non-contacting Eddy Current |
| Input Voltage | -17.5 Vdc to -26 Vdc |
| Output Type | Analog Displacement Signal |
| Linear Range | 1.27 to 10.16 mm (50 to 400 mils) |
| Operating Temperature | -35°C to +85°C (-31°F to +185°F) |
| Housing Material | A380 Aluminum |
| Connector Type | Gold-plated Brass ClickLoc™ |
Our Mission and Values
We didn't start out trying to be just another "parts store." We saw a real problem: big plants and factories were being forced into expensive, million-dollar system upgrades just because one tiny, discontinued part broke. We realized that if we could find those "impossible-to-find" components and get them to people fast, we could save them a massive headache. That became our mission.
Over the years, we've turned our headquarters in Xiamen into a global hub. We spent considerable time building relationships with partners worldwide.
We’re already shipping to more than 150 countries now. So whether it’s a power plant somewhere in Europe or a production line down in Southeast Asia, the idea is pretty simple—parts get there fast, usually before small issues have a chance to turn into something bigger. Logistics isn’t perfect anywhere, but we’ve tried to make it solid enough that you’re not sitting around waiting when something actually matters.
We understand that when you're looking for a PLC or DCS module, you're usually stressed because something stopped working. That's why we changed our approach. We don't just "flip" parts; we test them. We're so confident in our stock—even older components from ABB or Allen Bradley—that we back almost everything with a full one-year warranty.
Honestly, we just want you to feel like you’re buying straight from the manufacturer—no extra layers, no guesswork, just that same level of confidence when you place an order with us.
The whole industry is shifting fast right now, “smart factories” everywhere, new systems popping up all the time. But at the same time, a lot of the older setups are still running strong and not going away anytime soon. So we’re kind of sitting in the middle of that—helping you keep the current machines alive and stable, while you slowly figure out what comes next.
We’ve definitely grown over the years, sure. More reach, more countries, more volume. But day to day, it’s still the same idea for us—keep things running, keep the downtime down, make sure the lights stay on and the lines don’t stop.
Primary Measurement Functions
- Differential Expansion (DE): This is its most critical role. It measures the relative axial displacement between a machine's rotor and its casing (stator). This is usually the most sensitive phase. The rotor and casing heat up at different rates, so they expand unevenly. Things can drift pretty quickly if you’re not watching closely.
- Axial Position (Thrust): Basically tracking where the rotor sits inside the thrust bearing. If it moves out of range, you risk metal-to-metal contact, which is about as bad as it gets in these machines.
- Radial Vibration: Common on machines with fluid-film bearings. It’s used to check shaft vibration and get an overall sense of mechanical health. A lot of early warning signs show up here first.
Key Industry Applications
- Power Generation: Widely used in steam turbine generator (STG) sets. The 12.7 mm (500 mil) measurement range is designed specifically to handle the larger rotor movements in these systems.
- Oil & Gas / Petrochemical: Mainly for centrifugal compressors and heavy-duty pumps running in continuous service. The “-CN” version meets NEPSI / CNEX hazardous area certification, so it’s suitable for explosive environments.
- Industrial drive systems: Used in large motors and gearboxes that support critical infrastructure—simple setups on the surface, but absolutely essential when they stop.
Compatible Part Numbers
| 330904-05-14-05-02-00 | 3300/20 |
| 330930-040-00-00 | 990-04-50-02-00 |
| 330909-00-60-10-02-05 | 81545-01 |
| 21000-16-10-15-057-03-02 | 82926-01 |
| 21000-16-10-15-102-03-02 | 84140-01 |
| 21000-16-10-15-114-03-02 | 84145-01 |
| 21000-16-10-15-144-03-02 | 84152-01 |
| 991-01-XX-01-CN | 330103-00-04-10-02-05 |
| 3500/93 135799-02 | 330730-040-03-00 |
| 22810-00-10-10-02 | 330104-00-25-10-02-05 |
| 330193-00-05-10-00 | 330103-00-07-20-02-00 |
| 330103-02-12-05-02-CN | 126599-01 |
| 330103-06-13-05-02-CN | 990-04-70-01-00 |
| 330104-00-04-10-02-CN | 330103-00-15-05-01-00 |
| 990-05-XX-01-CN | 330905-00-10-10-02-00 |
| 330101-30-63-15-02-CN | 991-06-50-01-00 |
| 330104-00-04-50-11-00 | 330103-00-15-10-02-00 |
| 330104-00-12-10-02-00 | 1X35668 |
| 330104-00-15-10-02-00 | 330103-02-07-10-02-00 |
| 3300/05 | 330103-02-12-10-02-00 |
Frequently Asked Questions
1. What is the main function of the 330850-51-CN?
The 330850-51-CN is used to measure things like differential expansion and axial movement in large rotating machines. It converts the gap between a 25 mm probe and the shaft into a voltage signal for the monitoring system.
2. What do “-51” and “-CN” mean in 330850-51-CN?
In 330850-51-CN, “-51” refers to a 5.0 m system length setup. “-CN” means it has China approvals (like NEPSI), so it can be used in hazardous areas.
3. Is 330850-51-CN compatible with older systems?
Yes, 330850-51-CN can replace older 7200 series 25 mm / 35 mm sensors. It’s generally backward compatible, so upgrades are usually straightforward.
4. Can I use different cable lengths with 330850-51-CN?
No. 330850-51-CN is calibrated for a 5.0 m total system length. Using other lengths like 7 m or 9 m may cause measurement errors.
5. What environment can 330850-51-CN work in?
It works in industrial conditions, typically from -35°C to +85°C (-31°F to +185°F). For high-temperature applications like turbines, it’s usually used with suitable high-temp probes.
6. What power does 330850-51-CN need?
It uses a negative DC supply, usually -24 Vdc, within a range of -17.5 to -26 Vdc. Stable power is important for accurate readings.
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