Strain Gauge and Vibrating Wire Pressure Transducers

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Strain Gauge and Vibrating Wire Pressure Transducers are used for uplift measurement in the foundation of concrete dams, overflow settlement measurement in earth fill and rockfill dams, and all other applications where a rugged and reliable pressure transducer is required for measuring fluid pressure in closed circuits.

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Overview

Strain Gauge and Vibrating Wire Pressure Transducers are used for uplift measurement in the foundation of concrete dams, overflow settlement measurement in earthfill and rockfill dams, and all other applications where a rugged and reliable pressure transducer is required for measuring fluid pressure in closed circuits. The pressure transducer comes with a 1/4” NPT thread, or NPT port, for easy connection to pipes or other components of the hydraulic circuit to be monitored. The strain gauge transducers can be read dynamically if required by the application.


STRAIN GAUGE TRANSDUCERS SPECIFICATIONS

ITEM SPECIFICATION
Accuracy ±0.1% FS
Standard Pressure Ranges 0.035 through 100 MPa
Compensated Temp. Range -10°C to 80°C
Field Rangeability Yes
Pressure Output 4 to 20 mA
Temperature Output Optional
Wetted Materials Standard 316L SS Polyamide Fluorocarbon
Electrical Termination Sealed Cable
Dimensions 109 mm X Ø25 mm
NPT Thread 1/4 inch male

 

VIBRATING WIRE PRESSURE TRANSDUCERS SPECIFICATIONS

ITEM SPECIFICATION
Over range 2 X F.S.
Resolution 0.025% F.S. minimum
Accuracy 0.1% F.S.
Standard Pressure Ranges 0.07 through 75 MPa
Operating Temperature -20 to 80°C (-4 to 176°F)
Diaphragm Displacement <0.001 cc at F.S.
Thermal Zero Shift <0.05% F.S./°C
Materials Hermetically sealed stainless steel housing
Thermistor Type NTC 3K Ohms @ 25°C
Thermistor Interchangeability ±0.2°C
Thermistor Resolution 0.1°C
Dimensions 150 mm X 25 mm
NPT Thread 1/4 inch female

Strain Gauge and Vibrating Wire Pressure Transducers are commonly used for:

  • Uplift pressure measurement in concrete dam foundations.
  • Retrofit of earth-fill dam settlement systems.
  • Fluid pressure measurement in closed circuits.

Strain Gauge and Vibrating Wire Pressure Transducers Ordering Info

STRAIN GAUGE TRANSDUCER 1/4” NPT THREAD (0 – 3 MPa range)

ITEM PART #
4-20 mA output – Sealed ELSGT610

STRAIN GAUGE TRANSDUCER 1/4” NPT THREAD (>3 MPa range)

ITEM PART #
4-20 mA output – Sealed ELSGT611

VIBRATING WIRE TRANSDUCER 1/4” NPT PORT

ITEM PART #
0.07 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-0.07
0.175 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-0.175
0.35 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-0.35
0.7 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-0.7
1.0 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-1.0
2.0 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-2.0
3.0 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-3.0
5.0 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-5.0
7.5 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-7.5
10 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-10
35 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-35
75 Mpa Vibrating Wire Transducer with 1/4” NPT Port VW2180-75

Electrical Cable

ITEM PART #
Two twisted pairs cable with polyurethane jacket. EL380004

Readout

ITEM PART #
Vibrating Wire Readout – VW2106 VW2106

Additional Ordering Info

Cable length required.
Pressure range.
Output type.

File Name

Strain Gauge and Vibrating Wire Pressure Transducers

Resource Type

Brochure
Language Version Download
English ELB0032G
Spanish ELB0071C

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