Machinery protection and diagnostics in ionizing radiation zones are achieved using the Bently Nevada 330530-01. This specialized velocity sensor integrates a piezoelectric sensing element with internal solid-state electronics designed to resist radiation-induced degradation. By converting case acceleration into a clean, low-impedance voltage output directly proportional to vibration velocity, the 330530-01 enables continuous safety and operational monitoring of critical pumps, fans, and turbines in areas where standard vibration sensors fail.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Model / Part Number | 330530-01 |
| Sensor Type | Radiation Resistant Velomitor |
| Sensitivity | 3.94 mV/mm/s (100 mV/in/s) ±5% at 100 Hz |
| Frequency Range | 4.5 Hz to 2.0 kHz (270 to 120,000 cpm) ±3.0 dB |
| Velocity Range (Peak) | 1270 mm/s (50 in/s) peak |
| Operating Temperature | -54 degC to +121 degC (-65 degF to +250 degF) |
| Housing Material | 316L Stainless Steel |
| Connector Type | 2-Pin MIL-C-5015 Hermetic Connector |
| Maximum Mounting Torque | 4.5 N-m (40 in-lb) |
| Country of Origin | USA |
| Shipping Weight (Calculated) | 0.70 kg |
| Connector Pin | Signal / Circuit Assignment |
|---|---|
| Pin A | Signal Positive (+) / Bias Voltage Out |
| Pin B | Signal Return (-) / Common Ground Reference |
The 330530-01 is physically and electrically drop-in compatible with standard 330500 mounting profiles, allowing for hot-swap upgrades on machinery relocated or re-designated for radiation containment services. It interfaces directly with Bently Nevada 3500/42M Proximitor Seismic Monitors and 1900/65A General Purpose Monitors without requiring firmware modifications, provided the monitor channel is configured for a standard 100 mV/in/s (3.94 mV/mm/s) sensor input.
While the internal amplifier is built to resist cumulative ionizing radiation doses, prolonged exposure exceeding specified structural limits will eventually induce bias voltage drift. System engineers must monitor the DC bias voltage regularly on the diagnostic terminal of the Bently Nevada 3500 rack. A shifting bias voltage typically indicates the onset of radiation fatigue in the semiconductor junction. Ensure that temperature fluctuations do not exceed +121 degC, as thermal stress accelerates radiation-induced degradation of the internal seal.
Standard PVC and Teflon cables degrade rapidly under radiation exposure, losing insulation resistance and introducing severe signal noise. Always run radiation-tolerant mineral-insulated (MI) cabling or polyimide/ETFE (Tefzel) insulated twisted, shielded pairs. Grounding must be strictly maintained at the monitor/rack end of the cable loop. The shield must remain fully isolated and floating at the sensor's MIL-C-5015 connector housing to prevent structural ground loop current from corrupting low-frequency vibration signals.
Prepare the machine mounting surface. The surface must be flat to within 0.02 mm (0.001 in) and machined to a surface finish of 0.8 micrometers (32 microinches) Ra to ensure linear transfer of high-frequency vibration.
Apply a very light, micro-thin coat of silicone coupling grease or thread compound to the flat base surface to eliminate microscopic air gaps between the sensor and the machine housing.
Thread the sensor into the tapped hole. Use a calibrated torque wrench to torque the sensor housing to exactly 4.5 N-m (40 in-lb). Do not over-torque, as this induces casing stress and distorts the internal sensor assembly.
Connect the 2-pin MIL-C-5015 radiation-tolerant cable. Ensure the connection is hand-tightened, then securely wrap with self-amalgamating high-temperature tape if exposure to moisture or sprays is anticipated.
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Manufacturer: Bently Nevada
Product No.: 330530-01
Country of origin:United States
Product Type: Vibration Sensors
Payment: T/T, Western Union
Weight: 320g
Shipping port: Xiamen
Warranty: 12 months
Machinery protection and diagnostics in ionizing radiation zones are achieved using the Bently Nevada 330530-01. This specialized velocity sensor integrates a piezoelectric sensing element with internal solid-state electronics designed to resist radiation-induced degradation. By converting case acceleration into a clean, low-impedance voltage output directly proportional to vibration velocity, the 330530-01 enables continuous safety and operational monitoring of critical pumps, fans, and turbines in areas where standard vibration sensors fail.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Model / Part Number | 330530-01 |
| Sensor Type | Radiation Resistant Velomitor |
| Sensitivity | 3.94 mV/mm/s (100 mV/in/s) ±5% at 100 Hz |
| Frequency Range | 4.5 Hz to 2.0 kHz (270 to 120,000 cpm) ±3.0 dB |
| Velocity Range (Peak) | 1270 mm/s (50 in/s) peak |
| Operating Temperature | -54 degC to +121 degC (-65 degF to +250 degF) |
| Housing Material | 316L Stainless Steel |
| Connector Type | 2-Pin MIL-C-5015 Hermetic Connector |
| Maximum Mounting Torque | 4.5 N-m (40 in-lb) |
| Country of Origin | USA |
| Shipping Weight (Calculated) | 0.70 kg |
| Connector Pin | Signal / Circuit Assignment |
|---|---|
| Pin A | Signal Positive (+) / Bias Voltage Out |
| Pin B | Signal Return (-) / Common Ground Reference |
The 330530-01 is physically and electrically drop-in compatible with standard 330500 mounting profiles, allowing for hot-swap upgrades on machinery relocated or re-designated for radiation containment services. It interfaces directly with Bently Nevada 3500/42M Proximitor Seismic Monitors and 1900/65A General Purpose Monitors without requiring firmware modifications, provided the monitor channel is configured for a standard 100 mV/in/s (3.94 mV/mm/s) sensor input.
While the internal amplifier is built to resist cumulative ionizing radiation doses, prolonged exposure exceeding specified structural limits will eventually induce bias voltage drift. System engineers must monitor the DC bias voltage regularly on the diagnostic terminal of the Bently Nevada 3500 rack. A shifting bias voltage typically indicates the onset of radiation fatigue in the semiconductor junction. Ensure that temperature fluctuations do not exceed +121 degC, as thermal stress accelerates radiation-induced degradation of the internal seal.
Standard PVC and Teflon cables degrade rapidly under radiation exposure, losing insulation resistance and introducing severe signal noise. Always run radiation-tolerant mineral-insulated (MI) cabling or polyimide/ETFE (Tefzel) insulated twisted, shielded pairs. Grounding must be strictly maintained at the monitor/rack end of the cable loop. The shield must remain fully isolated and floating at the sensor's MIL-C-5015 connector housing to prevent structural ground loop current from corrupting low-frequency vibration signals.
Prepare the machine mounting surface. The surface must be flat to within 0.02 mm (0.001 in) and machined to a surface finish of 0.8 micrometers (32 microinches) Ra to ensure linear transfer of high-frequency vibration.
Apply a very light, micro-thin coat of silicone coupling grease or thread compound to the flat base surface to eliminate microscopic air gaps between the sensor and the machine housing.
Thread the sensor into the tapped hole. Use a calibrated torque wrench to torque the sensor housing to exactly 4.5 N-m (40 in-lb). Do not over-torque, as this induces casing stress and distorts the internal sensor assembly.
Connect the 2-pin MIL-C-5015 radiation-tolerant cable. Ensure the connection is hand-tightened, then securely wrap with self-amalgamating high-temperature tape if exposure to moisture or sprays is anticipated.
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Returns & Warranty
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| Country of origin |
United States
|
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