VW0420: Vibrating Wire Isolated Analog Interface

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The VW0420 provides an interface between vibrating wire instruments and factory automation systems which support 4-20 mA sensors.

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Product Features

  • Maximum flexibility in connecting the system
  • 4 dielectrically isolated ground subsystem
  • Straightforward setup, easy to connect via USB cable

Overview

The VW0420 provides an interface between vibrating wire instruments and factory automation systems which support 4-20 mA sensors. The vibrating wire section measures the natural frequency and temperature of the sensor. The measurements are then converted to engineering units, unit converted etc. as required, and scaled to the 4-20 mA outputs. Setup of the device is straightforward, using a Windows host program connected via USB cable.


VW0420: Vibrating Wire Isolated Analog Interface Specifications

ITEM SPECIFICATION
Vibrating Wire Sensor Types Piezometer, strain gauge, mini-strain gauge, displacement sensor etc.
Sweep Types A,B,C,D,E,F, user-defined
Frequency Input 450-6000 hz
Update Rate 2 seconds
Vibrating Wire Calibration mX+b, polynomial, units conversion, temperature compensation
Thermistor Types NTC 3000, 2252, 5k, 10k, 2k RTD
Current Outputs (2) Vibrating Wire, Thermistor
Current Output 4-20 mA nominal, isolated between channels and with respect to sensor to 2500 VAC
Vibrating Wire Conversion Base Raw data, engineering units, temperature corrected
Vibrating Wire Conversion Base Unit B units, kPa, psi, mH2O, µe, etc
Temperature Conversion Base °C, °F, ohms
Current Resolution 0.002%
Current Conversion Accuracy 0.02%
Host Program PC Connection USB 2.0, USB mini B connector
Compatible Operating Systems Windows 10
Operating Temperature -40 to 55°C
Power Supply 9-24 VDC, 8-35 mA, isolated to 1000 VAC
Dimensions 3.55 x 3.62 x 0.89 in. (90 x 92x 22.5 mm)

The VW0420: Vibrating Wire Isolated Analog Interface provides an interface between vibrating wire instruments and factory automation systems which support 4-20 mA sensors.

File Name

VW0420 Vibrating Wire Isolated Analog Interface Brochure

Resource Type

Brochure
Language Version Download
English ELB0031C

File Name

VW0420 Analog VW Interface Instruction Manual

Resource Type

Manual
Language Version Download
English ELM0046E

File Name

VW0420 Host Software

Resource Type

Software

Note

INSTALLATION NOTES:
Unzip the ZIP file once it is downloaded.
DO NOT connect the USB cable until all software has been installed first.
Run the “VW0420 Host 1.32.0.exe” file and follow instructions in the “VW0420 Analog VW Interface Instruction Manual.pdf” while installing.

Language Version Download
English 1.33.0

Speak with an Expert

I’m very happy with the quality of the instrumentation and technical support from RST, as always. They worked with us from the initial stages of the project to ensure that we were fully prepared and equipped to use the RSTAR network for the first time. They delivered everything within the tight project time frame to ensure that there were no delays on site, and the submersible tilt meters looked like new even after over twelve months of being submerged in Thames water!
 
-Richard Lipscombe, BEng (Hons), Director & Principle Consultant - RL Geotechnical Ltd