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Model 893V Piezoelectric Velocity Sensor
Brand: Wilcoxon Sensing TechnologiesThe 893V uses the industry standard 2-wire voltage transmission technique with a constant current supply. Thanks to the sensor’s isolated ground and internal shield, no ground loops or frame voltages are present to disturb the measurement. The rugged sensor has a simpler design (fewer components) than typical velocity sensors, making it inherently reliable.
Further, the 893V is housed in a hermetically sealed and corrosion resistant case, making the sensor suitable for use with machinery in harsh industrial environments.
Features- Ultra low-noise electronics for clear signals at very low vibration levels
- Tuned bandpass flatness for repeatability
- Eliminates distortion caused by high frequency signals
- Hermetically sealed
- Manufactured in an approved ISO 9001 facility
Specifications
Approvals & Certifications
- CE
Approvals & Certifications
- ISO 9001
Electrical Connectors
- Mating: MIL Connector (MIL-C-5015 Style)
- Output Connector: 2-Pin, MIL-C-5015 Style
- Twisted Shielded-pair Cable
Enclosure, Body Material
- 316L Stainless Steel
Frequency
- Frequency Response (± 10 %): 6.0 to 2,500 Hz
- Frequency Response (± 3 dB): 4.5 to 5,000 Hz
- Resonance Frequency, Mounted, Nominal: 15 kHz
Mounting
- 1/4-28 Tapped Hole
Noise
- Electrical Noise, Equivalent In/sec (Broadband: 2.5 Hz to 25 kHz): 150 µin/sec
- Electrical Noise, Equivalent In/sec (Spectral: 1,000 Hz): 1.0 µin/sec/√Hz
- Electrical Noise, Equivalent In/sec (Spectral: 10 Hz): 25 µin/sec/√Hz
- Electrical Noise, Equivalent In/sec (Spectral: 100 Hz): 1.5 µin/sec/√Hz
Non-Linearity
- Amplitude Non-Linearity: 2 %
Output Impedence
- Maximum 80 Ω
Power Requirement
- Input Supply Current: 2-10 mA
- Supply Voltage for Current Source: 22-28 Vdc
Range
- Velocity Range: 50 In/sec Peak
Seal Type
- Hermetic
Sensitivity
- Base Strain Sensitivity: 0.0005 In/sec/μstrain
- Electromagnetic Sensitivity, Equivalent In/sec: 50 µin/sec/Gauss
- Sensitivity, ± 5 %, 25° C (77° F): 100 mV/inch/sec
- Transverse Sensitivity: Max. 5 % of Axial
Shock
- Shock Limit: 5,000 G Peak
Temperature Range
- -50° to 120° C (-58° to 248° F)
Vibration
- Vibration Limit: 2,500 G Peak
Voltage
- Bias Output Voltage, Nominal: 12 Vdc