VT104 Series

VT104 Series

Product catalog summary
Section: Vibration Sensors
Product Overview: The document details the specifications and features of Piezo Electric Velocity Accelerometers, specifically the VT104 series, which are backed by an unconditional lifetime warranty. These sensors are designed for vibration analysis and offer dual output for velocity and temperature measurements.
Product Features: The VT104 series sensors are high-performance, dual output sensors with a side exit connector/cable. They provide a velocity output of 100 mV/in/sec and a temperature output of 10 mV/°C.
Specifications:
  • Environmental: Operates within a temperature range of -58 to 250°F (-50 to 121°C) and offers maximum shock protection of 5,000 g, peak. The sensors are CE certified for electromagnetic sensitivity and are hermetically sealed, submersible up to 200 ft (60 m).
  • Physical: The sensing element is made of PZT ceramic in shear mode, with a weight of 5.6 oz (159 grams) and a case made of 316L stainless steel. The resonant frequency is 1,320,000 CPM (22000 Hz).
  • Vibration: Sensitivity is ±10% at 100mV/in/sec (4mV/mm/sec) with a frequency response of 90-420,000 CPM (1.5-7000 Hz) and a dynamic range of ±50 in/sec (±1270 mm/sec).
  • Electrical: The settling time is less than 4 seconds, with a voltage source of 18-30 VDC and constant current excitation of 2-10 mA. The output impedance is less than 100 ohms, and case isolation is greater than 108 ohms.
Ordering Information: The VT104 series is available in different configurations, including VT104-1D, VT104-2D, and VT104-3D, with options for cable length and termination. The sensors can be built to order or are available as stock products.
Connector and Cable Details: The VT104-1D uses a 3-pin connector, while the VT104-2D and VT104-3D have integral cables. The conductor polarity is specified for signal/power, common, and temperature voltage.
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Catalog excerpts

VT104 Series-1

Dual Output, Piezo Electric Velocity Sensor, Velocity/Temperature, Side Exit Connector/Cable, 100 mV/in/sec, 10 mV/°C Actual Product Size Shown Product Features Velocity and Temperature Output in One Sensor High Performance, Dual Output Sensor 9 ±50 in/sec, Peak Dynamic Range 9 Standard 3 Pin MIL Connection D Integrates to Velocity in the Sensor Connector Pin Polarity A (+) Signal / Power Specifications Part Number Vibration Sensitivity (±10%) Frequency Response (±3dB) Frequency Response (±10%) Dynamic Range (Peak) Temperature Measurement Range Temperature Output Electrical Settling Time Voltage Source (IEPE) Constant Current Excitation Spectral Noise @ 10 Hz Spectral Noise @ 100 Hz Spectral Noise @ 1000 Hz Output Impedance Bias Output Voltage Case Isolation <4 seconds 18-30 VDC 2-10 mA 25 m IPS/jHz 2 m IPS/jHz 0.5 m IPS/^Hz <100 ohm 10-14 VDC >108 ohm Specifications Environmental Temperature Range Maximum Shock Protection Electromagnetic Sensitivity Sealing Submersible Depth (VT104-2D/3D) Physical Sensing Element Sensing Structure Weight Case Material Mounting Hole Connector (non-integral) Resonant Frequency Mounting Torque Mounting Hardware Calibration Certificate 5,000 g, peak CE Welded, Hermetic 200 ft. 60 m PZT Ceramic Shear Mode 5.6 oz 159 grams 1/4-28 Captive Bolt M6x1 Captive Bolt CA10 Ordering Information Backed by our Unconditional Lifetime Warranty www.ctconline.com Page 72

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