WitMotion IEPE Vibration Sensor Accelerometer Transmitter (WTVB) 4-20mA Option for Motor/Pump Bearings
WitMotion IEPE Vibration Sensor Accelerometer Transmitter (WTVB) 4-20mA Option for Motor/Pump Bearings
WitMotion
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Overview
This WitMotion IEPE piezoelectric vibration sensor accelerometer transmitter series is designed for vibration monitoring and data acquisition in rotating equipment such as motors, pumps, and bearing housings. The product line includes multiple selectable styles (e.g., WTVB-10P / WTVB-50P / WTVB501P / WTVB503P, and DAQ7101 / DAQ7102 options), with IEPE sensor variants specified below; the listing title also references a 4-20 mA output option.
Key Features
- Premium 304 stainless steel housing (corrosion-resistant, wear-resistant)
- Built-in IEPE circuit: floating isolated design, dual shielding, strong noise immunity
- 2-pin low-impedance output: long-distance transmission with anti-interference, stable signal, simplified cabling
- Oil & dust resistant design for harsh industrial environments
- Two mounting options: magnetic mount and threaded mount; magnetic base electrical isolation option shown
- Custom options available (custom cable for different application needs)
Specifications
WTVB-50P (Magnetic / Threaded)
Dimensions: 52.5 x 25 mm
| Measurement Range (Peak) | ±50 g |
| Sensitivity (25°C) | 100 mV/g (160 Hz) |
| Linearity | ±1% |
| Frequency Range (±10%) | 1-10,000 Hz |
| Frequency Range (±3 dB) | 0.5-14,000 Hz |
| Transverse Sensitivity | ≤5% |
| Excitation Voltage | 18-28 VDC (Constant Current) |
| Constant Current Excitation | 2-10 mA |
| Output Impedance | <100 Ω |
| Full-Scale Output (Peak) | ±5 V |
| Noise (RMS) | <50 μV |
| Bias Voltage | +10 to +14 V |
| Case-to-Ground Insulation | ≥10^9Ω |
| Operating Temperature | -40°C to +120°C |
| Shock Limit (Peak) | ±2000 g |
| Connection Cable | MIL 2-Pin Shielded Cable (3 m) |
WTVB-10P (Magnetic / Threaded)
Dimensions: 52.5 x 25 mm
| Measurement Range (Peak) | +10g |
| Sensitivity (25°C) | 500 mV/g(160Hz) |
| Linearity | +1% |
| Frequency Range (+10%) | 0.2~5,000Hz |
| Frequency Range (+3 dB) | 0.1~ 10,000 Hz |
| Transverse Sensitivity | ≤5% |
| Excitation Voltage | 18 VDC ~ 28 VDC (Constant Current) |
| Constant Current Excitation | 2~10mA |
| Output Impedance | <1000 |
| Bias Output (Peak) | +5V |
| Noise (RMS) | <80 uV |
| Bias Voltage | +10~+14VDC |
| Insulation Resistance | 210800 |
| Operating Temperature | -40°C~+120°C |
| Shock Limit (Peak) | +2000g |
| Connection Cable | MIL 2-Pin Shielded Cable (3 m) |
WTVB501P
- Built-in IEPE preamplifier
- Compatible with common coaxial shielded cables
- Simplifies the test setup
| Measurement Range (Peak) | ±50g |
| Sensitivity (25°C) | 100mV/g (160Hz) |
| Frequency Response (±1 dB) | 0.5-8,000Hz |
| Transverse Sensitivity | < 5% |
| Excitation Voltage | 18-28 VDC (Constant Current) |
| Constant Current Excitation | 2-10mA |
| Output Impedance | < 100 Ω |
| Full-Scale Output (Peak) | ±5V |
| Noise | < 50μV |
| Bias Voltage | +9~+12V |
| Operating Temperature | -40°C to +120°C |
| Shock Limit (Peak) | +3000g |
| Temperature Response | See chart |
| Structure | Shear |
| Housing Material | 304 Stainless Steel |
| Output Connector | Side M5 |
| Mounting Thread | M5 |
| Piezo Material | PZT-5 |
| Weight | ~13g |
| Mounting Stud | M5 |
| Cable | Dual-end M5 general coaxialcable, 2m |
WTVB503P
- Tri-axial output for X, Y, and Z measurement
- Built-in IEPE preamplifier
- 1/4-28 4-pin output
| Measurement Range (Peak) | +50g |
| Axial Sensitivity (25°C) | 100 mV/g (160 Hz) |
| Frequency Response (+1 dB) | 1-5,000 Hz |
| Frequency Response (+3 dB) | 0.5-10,000 Hz |
| Transverse Sensitivity | ≤5% |
| Excitation Voltage | 18-28 VDC (Constant Current) |
| Constant Current Excitation | 2-10 mA |
| Output Impedance | <1000 |
| Full-Scale Output (Peak) | +5V |
| Noise | <50uV |
| Bias Voltage | +9~+12V |
| Operating Temperature | -40°C to +120°C |
| Shock Limit (Peak) | +1000g |
| Temperature Response | See Chart |
| Structure | Shear |
| Housing Material | 304 Stainless Steel |
| Output Connector | 1/4-28 4-Pin |
| Mounting Thread | M5 |
| Piezo Material | PZT-5 |
| Weight | ~48g |
| Mounting Stud | M5 |
| Cable | 1/4-28 4-pin to 3 BNC 4-core shielded cable, 5 m |
IEPE Sensor Specs (MIL-C-5015 2-Pin / IP65 configuration shown)
| Range (Peak) | +50g |
| Sensitivity (25°C) | 100mv/g (160Hz) |
| Freq. Response (+1 dB) | 1~10,000Hz |
| Freq. Response (+3 dB) | 0.5~15,000Hz |
| Transverse Sensitivity | ≤ 5% |
| Structure/Piezo | Shear/PZT-5 |
| Housing | 304 Stainless Steel |
| Connector | MIL-C-5015 2-Pin |
| Mounting Thread | 1/4-28 |
| Protection | IP65 |
| Weight | ~80g |
| Excitation Voltage | 18VDC~28VDC (Constant Current) |
| Const. Current | 2~10mA |
| Output Impedance | <100Ω |
| Full-Scale Output | +5V |
| Noise (rms) | <50μV |
| Bias Voltage | +10~+14V |
| Operating Temp. | -40°C~+120°C |
| Shock Limit (Peak) | +2000g |
| Temp. Response | See Temp. Curve |
| Mounting Stud | 1/4-28 to M6 |
| Cable | DJ03-3M |
DAQ7101 Key Features
- IEPE / Voltage / 20 mA Inputs
- Built-in 4 mA / 24 V Constant Current Source
- Isolated USB 2.0 Interface
- 100 Mbps Ethernet
- Optional Wi-Fi
- PC Software & Demo Code for Secondary Development
- Free libzsig Library: Filtering, Statistical Features, FFT & Time-Frequency Analysis
- Supports Windows / Linux / Android
- Supports C / C++ / C# / LabVIEW / MATLAB / Python
DAQ7102 Key Features
- USB 2.0 high-speed interface, 100 M Ethernet port
- Optional WiFi interface, POE power support
- Integrated 4 mA, 24 V constant current source for IEPE/ICP sensors
- 24-bit resolution with synchronous sampling, zero-latency data transfer
- Selectable 4 gain ranges per channel
- High throughput up to 320 kS/s total, 120 K samples on-board storage; supports external trigger input
- 1 analog output, 12-bit resolution, 0-5 V range
- 4 x DI, 4 x DO, compatible with COMS/TTL logic
- 2 x 32-bit counters, up to 1 MHz input
- 2 x PWM generators, up to 1 MHz output
Available Styles (Select an Option)
- Magnetic base
- Magnetic base layer
- WTVB-10P
- WTVB-50P
- WTVB503P
- WTVB501P
- DAQ7101 (BNC) 2
- DAQ7102
Applications
- Motor and pump vibration monitoring
- Bearing condition monitoring and vibration testing setups
- IEPE sensor data acquisition and analysis workflows (when DAQ options are selected)
For selection guidance (matching sensor connector/cable and DAQ interface requirements), contact support@rcdrone.top or visit https://rcdrone.top/.
Details
Choose the electrically isolated magnetic base when you need quick mounting without creating a ground loop.
DAQ7102 adds a 4 mA, 24 V constant-current source for IEPE/ICP sensors with USB and Ethernet data transfer.
304 stainless steel construction and a built-in IEPE circuit support stable, low-noise vibration monitoring in industrial environments.
Installation stays flexible with either a magnetic mount for fast setup or a threaded mount for secure permanent fastening.
Key specs for the WTVB-50P variant are summarized, including bandwidth, constant-current excitation, and IP65 protection.
DAQ7101 supports IEPE, voltage, and 20 mA inputs and includes a built-in constant-current source for sensor power.
WTVB501P includes a built-in IEPE preamplifier and works with common coaxial shielded cables to simplify test setups.
WTVB503P provides tri-axial X/Y/Z measurement in a compact body with IEPE signal conditioning.
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