The Bently Nevada 330400-01-00 is a rugged acceleration transducer designed for precision vibration measurement. This sensor offers a sensitivity of 10.2 mV/m/s² (100 mV/g) ±5%. It operates within a 10 Hz to 15 kHz frequency range. Many users rely on this model for machinery protection and condition monitoring. The Bently Nevada 330400-01-00 delivers consistent performance under extreme temperatures and humid conditions.
Sensitivity and Range
The 330400-01-00 provides a sensitivity of 10.2 mV/m/s² (100 mV/g) ±5%. Its acceleration range reaches 490 m/s² (50 g) peak from 10 Hz to 15 kHz. Above 15 kHz, the usable range decreases significantly due to transducer resonance. Amplitude linearity stays within ±1% up to 490 m/s² (50 g) peak.
Noise and Frequency Response
The broadband noise floor measures only 0.039 m/s² (0.004 g) rms between 10 Hz and 15 kHz. Frequency response holds ±3 dB from 10 Hz to 15 kHz (600 to 900,000 cpm). Additionally, it achieves ±10 dB from 30 Hz to 10 kHz (1,800 to 600,000 cpm).
Temperature and Transverse Sensitivity
Typical temperature sensitivity ranges from -11% to +3% across the operating range. Transverse sensitivity remains less than 5% of axial sensitivity.
Resonance and Base Strain
Mounted resonant frequency exceeds 30 kHz with a resonant peak amplitude of 20 dB maximum. For serial numbers with the letter “G”, base strain sensitivity is 49 mm/s²/mstrain (0.005 g/mstrain). For older units without “G”, Bently Nevada recommends using the mounting base to reduce strain effects.
Electrical and Cable Data
Maximum cable length reaches 305 metres (1,000 ft) without signal degradation. Power requirements include an input voltage of -24 ± 0.5 Vdc and a nominal bias current of 2 mA. Output bias voltage is -8.5 ± 0.5 Vdc. The case is electrically isolated.
Temperature and Shock
Operating and storage temperature spans -55°C to +121°C (-67°F to +250°F). Shock survivability peaks at 49,050 m/s² (5,000 g).
Humidity and Magnetic Field
Relative humidity tolerance reaches 100% condensing (non-submerged). The hermetically sealed case supports this level. Magnetic field susceptibility is below 2.21 mm/s²/gauss (225 mg/gauss) at 50-60 Hz.
IP Rating and Physical Dimensions
The 330400-01-00 has an IP68 rating (dust tight and watertight) for the sensor only, not the cable. Weight without cable is 99 g (3.5 oz) typical. Diameter measures 23 mm (0.93 in). Height including mounting stud is 59 mm (2.3 in).
Connector and Materials
A 3-pin MIL-C-5015 receptacle is used. Both case and connector are made of 316L stainless steel. Mounting surface finish requires 32 minch rms. Recommended mounting torque is 4.1 N·m (3.0 ft·lb). The sensor can be mounted in any orientation.
Mounting Preparation
First, clean the mounting surface to achieve 32 minch rms finish. Then, apply 4.1 N·m (3.0 ft·lb) torque when securing the ¼-28 UNF integral stud. Avoid over-tightening to prevent thread damage.
Cabling and Grounding
Use a compatible 3-pin MIL-C-5015 cable assembly. The maximum cable length is 305 metres (1,000 ft). Since the case is isolated, proper grounding should be done at the signal conditioner side.
Orientation and Strain Relief
The 330400-01-00 works in any orientation. For older serial numbers without “G”, always install the optional mounting base to minimize base strain sensitivity. Secure the cable to prevent vibration-induced stress.
Bently Nevada 330400-01-00 accelerometer sensor (1 unit)
¼-28 UNF integral mounting stud (pre-installed)
Protective dust cap for MIL-C-5015 connector
Installation quick-start guide
Note: Cables and mounting bases are sold separately.
FedEx, UPS, DHL
1. Can I use the Bently Nevada 330400-01-00 in high-humidity environments?
Yes, the 330400-01-00 has an IP68 rating and a hermetically sealed case. It tolerates 100% condensing humidity as long as it is not submerged.
2. What is the maximum cable length for this accelerometer?
You can extend the cable up to 305 metres (1,000 ft) without any signal degradation. This makes the Bently Nevada 330400-01-00 suitable for remote monitoring installations.
3. How do I identify if my unit has low base strain sensitivity?
Check the serial number. If it is preceded by the letter “G”, base strain sensitivity is 49 mm/s²/mstrain. For units without “G”, Bently Nevada recommends using the mounting base to reduce strain.
4. Does the sensor require a specific power supply?
Yes, it needs -24 ± 0.5 Vdc input voltage with a 2 mA bias current. The output bias voltage will then be -8.5 ± 0.5 Vdc. Always verify your power supply before connection.
5. What is the resonant frequency of the 330400-01-00?
The mounted resonant frequency exceeds 30 kHz. The resonant peak amplitude is limited to 20 dB maximum, ensuring reliable measurements below 15 kHz.
| Brand Name | Bently Nevada |
| Model No. | 330400-01-00 |
| Product Type | Accelerometer Acceleration Transducer |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
