The Bently Nevada 330750-60-CN High Temperature Velomitor System is designed for vibration monitoring where the sensing point is exposed to extreme heat. Its separated sensing head and signal-conditioning electronics support reliable velocity measurements on turbines and other critical rotating machinery.
Brand:
Bently NevadaItem NO.:
330750-60-CNPart Number:
330750-60-CNWeight:
1.32kgDimensions:
22.8*22.8*0.36cmManufacture Year:
LatestPlace of Origin:
USACertification:
CO,CQDescription:
High Temperature Velomitor System|
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High Temperature Velomitor System for vibration monitoring on turbines and critical rotating machinery.
The 330750 system separates the sensing head from the signal-conditioning electronics. Its integral hardline cable allows the electronics to remain in a cooler location while the sensing head measures vibration at a high-temperature surface.
| Price | Request a current quotation based on quantity, condition and destination. |
| Stock | Availability is confirmed by the sales team before order acceptance. |
| Lead time | Confirmed with the quotation and affected by quantity and delivery country. |
| Condition & warranty | Exact item condition, packaging and warranty terms are stated in the quotation. |
| Sensitivity | 5.7 mV/mm/s (145 mV/in/s), ±5% |
| Frequency response | 15 to 2000 Hz (±3.0 dB); 20 to 1000 Hz (±0.9 dB) |
| Amplitude range | 635 mm/s peak below 680 Hz; 2940 m/s² peak above 680 Hz |
| Output bias voltage | -12 ±2.0 VDC |
| Noise floor | 0.127 mm/s (0.005 in/s) rms nominal, 15 Hz to 2 kHz |
| Transverse sensitivity | Less than 5% of sensitivity |
| Mounted resonance | Greater than 5 kHz |
| Sensor head & hardline cable | -55°C to +400°C (-67°F to +752°F) |
| Electronics temperature | -55°C to +121°C (-67°F to +250°F) |
| Connector | 2-pin MIL-C-5015, hermetically sealed stainless-steel shell |
| Minimum bend radius | 51 mm (2.0 in) |
| Maximum field cable | 305 m (1,000 ft) without signal degradation |
| Typical weight, 6 m | 953 g (2.10 lb) |
Use the manufacturer documents for final engineering and installation decisions:
Installation reference: 330750/330752 High Temperature Velomitor System User Guide, document 135090.
The current manufacturer structure is 330750-AA-BB: product family, integral hardline-cable length and approval option.
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330750 PRODUCT FAMILY |
› |
60 6 M CABLE |
› |
CN VERIFY SUFFIX |
|
20 2 m |
40 4 m |
60 6 m |
80 8 m |
| Part number | What customers should know |
|---|---|
| 330750-60-CN | Listed product code with a 6 m integral cable. CN is not shown as a selectable approval suffix in the current ordering guide; verify the original nameplate and certificate. |
| 330750-60-05 | Currently documented 6 m configuration. Suffix 05 identifies multiple approvals: CSA, ATEX and IECEx. |
| 330752-60-05 | Related 6 m High Temperature Velomitor configuration. The 330752 drawing shows an M8×1 threaded sensing head, while the 330750 drawing uses a four-hole flange arrangement. |
What is the price of 330750-60-CN?
Price depends on quantity, condition and destination. Request a current quotation.
Is 330750-60-CN in stock?
Availability changes. Contact sales for current stock and lead time.
Where can I download the datasheet?
The manufacturer datasheet is document 141639; the installation reference is User Guide 135090.
Is 330750-60-05 a replacement?
It is the currently documented 6 m configuration with multiple approvals. Confirm mounting, approvals and the original nameplate before substitution.
What is the difference between 330750 and 330752?
They belong to the same high-temperature family but use different sensing-head mounting arrangements. The 330752 drawing shows an M8×1 threaded head; 330750 uses a flange-style mounting pattern.
What is the maximum sensor temperature?
Current versions support sensing-head and hardline-cable temperatures up to 400°C; the electronics housing is limited to 121°C.
What cable is recommended?
Use a two-conductor, double-shielded cable. Select standard, armored, right-angle or short-run options to suit the installation.
What should I send for a quotation?
Provide the complete part number, quantity, condition, delivery country, certificate requirements and a nameplate photo.
Same-family sensors and manufacturer-listed accessories for the 330750 system.
| Part number | Type | Use |
|---|---|---|
| 330752-60-05 | Related sensor | Same HTVS family; verify mounting before substitution. |
| 9571-NN | Standard cable | Shielded cable from HTVS to monitor. |
| 84661-NN | Armored cable | Stainless armor for mechanical protection. |
| 89477-NN | Right-angle cable | For restricted connector clearance. |
| 122129-NN | Short-run cable | 18 AWG shielded interconnect cable. |
| 00531061 | Mating connector | Connector for 330750 and 330752 systems. |
| 169546 | Cable clamp | Hardline clamp for temperatures above 260°C. |
NN is the required cable length in feet. Confirm length, connector, temperature and approval before ordering.
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