Product Description
Product Overview
| Field | Details |
|---|---|
| Manufacturer | Bently Nevada, a Baker Hughes business |
| Part Number | 330500-02-02 |
| Product Type | Velomitor Piezo-velocity Sensor |
| Function | Measures absolute bearing housing, casing, or structural vibration |
| Associated Document | 141632 Rev. P (330500 Velomitor Piezo-velocity Sensor Datasheet) |
Functional Specifications
| Feature | Specification |
|---|---|
| Sensor Type | Piezoelectric accelerometer with embedded integrated electronics, solid-state design |
| Sensitivity | 3.94 mV/mm/s (100 mV/in/s) ±5% at 100 Hz |
| Frequency Response | - 4.5 Hz to 5 kHz (270 to 300 kcpm) ±3.0 dB - 6.0 Hz to 2.5 kHz (360 to 150 kcpm) ±0.9 dB |
| Temperature Sensitivity | -14% to +7.5% typical over operating temperature range |
| Velocity Range | 1270 mm/s (50 in/s) peak |
| Transverse Sensitivity | <5% of sensitivity |
| Amplitude Linearity | ±2% up to 152 mm/s (6 in/s) peak |
| Mounted Resonant Frequency | >12 kHz |
| Output Bias Voltage | -12 ±3.0 V DC over temperature, referenced to Pin A |
| Dynamic Output Impedance | <2400 Ω |
| Broadband Noise Floor | 0.004 mm/s (160 μin/s) rms, nominal (4.5 Hz to 5 kHz) |
| Grounding | Case isolated |
| Maximum Cable Length | 305 m (1000 ft) with cable part number 02173006, no signal degradation |
| Polarity | Pin A positive with respect to Pin B when sensor case moves toward connector |
Physical Specifications
| Feature | Specification |
|---|---|
| Weight | 142 g (5.0 oz) typical |
| Diameter | 25.3 mm (0.995 in) |
| Height | 63.2 mm (2.49 in) |
| Case Material | 316L stainless steel |
| Connector | 2-pin Mil-C-5015, hermetically-sealed, 316L stainless steel shell |
| Mounting Thread | M8 × 1 (option 02) |
| Mounting Torque | 32–46 kg cm (24–40 in-lb) max |
| Counterbore | 12.7 mm (0.500 in) diameter, 0.8 mm (0.030 in) deep |
| Threaded Depth | 3/8-24 UNF-2B, 6.4 mm (0.250 in) min, 14.0 mm (0.550 in) max drill depth |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | -55 to 121°C (-67 to 250°F) |
| Shock Survivability | 5000 g peak, maximum |
| Relative Humidity | Up to 100% non-submerged; hermetically-sealed case |
| Base Strain Sensitivity | 0.005 in/s/μ strain |
| Magnetic Field Susceptibility | <51 μin/s/gauss (50 gauss, 50–60 Hz) |
Hazardous Area Approvals (ATEX, Option 02)
| Certification Type | Details |
|---|---|
| Intrinsically Safe (Zone 0/1) | - Ex ia IIC T4, T4 @ -40 to 100°C (-40 to 212°F) - Parameters: Ui = 28 V, Ii = 150 mA, Pi = 0.84 W, Ci = 10.8 nF, Li = 0 - Install per drawing 167537 - Cables type A or B per EN 60079-25 must match entity parameters |
| Non-Incendive (Zone 2) | - Ex nL IIC T4, AEx nA IIC T4, T4 @ -40 to 100°C (-40 to 212°F) - Install per drawing 167537 - Supply parameters must not exceed specified values |
| Additional Approvals | Refer to Approvals Quick Reference Guide (108M1756) for country-specific details |
Compliance and Certifications
| Certification Type | Details |
|---|---|
| FCC | Complies with Part 15; no harmful interference, accepts received interference |
| EMC | EMC Directive 2014/30/EU |
| RoHS | RoHS Directive 2011/65/EU |
| Maritime | Not applicable to 330500 (applies to 330400 and 330425 only) |
Ordering Information
| Field | Details |
|---|---|
| Part Number | 330500-02-02 (A: 02 - M8 × 1 Mounting Thread, B: 02 - ATEX Approval) |
| Interconnection Cables | - Standard lengths: 6 to 99 ft (1.8 to 30 m) - Custom lengths: 2.0 to 99 ft (0.6 to 30 m) for 9571-NN, 84661-NN; 3.0 to 96 ft (0.9 to 29 m) for 89477-NN - Types: 9571-NN (shielded), 89477-NN (armored), 84661-NN (right-angle), 124235-NN (18 AWG) |
| Accessories | - 100076: User Guide - 02173006: Bulk cable - 46000-01: Magnetic Base - 46122-01: Quick Connect - 89410-01: M8 × 1 Mounting Adapter - 101212-01: Connector Kit - 123135-01: Power Module |
| Housing Options | - 21128-AA-BB: Velocity Transducer Housing - 107770-AA-BB: CENELEC-approved Housing with 330500, Zone I, Group IIC |
| Related Documents | - 141632 Rev. P: 330500 Velomitor Piezo-velocity Sensor Datasheet - 108M1756: Approvals Quick Reference Guide - 167537: Installation Drawing for 330500 |