Oyster 700 – Submersible Pressure Transducer (SS Cage Not Included)

This technology is ideal for pump stations, fuel tanks, ship ballast, storage vessels and all types of water and wastewater applications. The open face ceramic diaphragm avoids clogging or build-up from slurry and wastewater sludge. The optional titanium or PVDF housing with the Tefzel cable are ideal for corrosive environments or saltwater installations.

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Description

Submersible Pressure Transducers for water depths up to 2,000 feet.

The Oyster 700 Series provide accurate and reliable level measurement utilizing the latest miniature microprocessor technology. The transmitter contains a piezo-resistive sensor that outputs a signal proportional to the hydrostatic pressure on the diaphragm. This signal is compared to the atmospheric pressure via the vent tube and compensated to the water temperature to produce an accurate level measurement.

The benefit of an Oyster submersible pressure transducer is the ease of installation. Just strap the transmitter to a pipe and lower to the desired zero (0) level. That’s it. No calibration required! Connect the 2-wire loop powered 4-20mA output and you’re done!

This technology is ideal for pump stations, fuel tanks, ship ballast, storage vessels and all types of water and wastewater applications. The open face ceramic diaphragm avoids clogging or build-up from slurry and wastewater sludge. The optional titanium or PVDF housing with the Tefzel cable are ideal for corrosive environments or saltwater installations.

  • All Welded SS 316L, Titanium or PVDF
  • Molded Polyurethane or Tefzel Cable
  • Pre-calibrated to Specified Water Column Range
  • General Purpose or FM/CSA Approved Intrinsically Safe
  • Integral Temperature Compensation

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Specs

OYSTER MODELS

Most Popular
Oyster 701 – General Purpose
Oyster 711 – Intrinsically Safe

Range:  10″ to 350′ W.C.
Accuracy:  +/- 0.25% FS (BSL)
316L Stainless Steel or Titanium Housing
1″ diameter x 5.75″ length
Polyurethane or FEP (Tefzel) Vented Cable

High Accuracy
Oyster 702 – General Purpose
Oyster 712 – Intrinsically Safe

Range:  10″ to 350′ W.C.
Accuracy:  +/- 0.1% FS (BSL)
316L Stainless Steel or Titanium Housing
1″ diameter x 5.75″ length
Polyurethane or FEP (Tefzel) Vented Cable

Slim Titanium Body
Oyster 703 – General Purpose
Oyster 713 – Intrinsically Safe

Range:  10″ to 800′ W.C.
Accuracy:  +/- 0.25% FS (BSL)
Titanium Housing
3/4″ diameter x 7.25″ length
Polyurethane or FEP (Tefzel) Vented Cable

High Accuracy with Slim Titanium Body
Oyster 704 – General Purpose
Oyster 711 – Intrinsically Safe

Range:  10″ to 800′ W.C.
Accuracy:  +/- 0.1% FS (BSL)
Titanium Housing
3/4″ diameter x 7.25″ length
Polyurethane or FEP (Tefzel) Vented Cable

Extra Slim Body 
Oyster 705 – General Purpose
Oyster 715 – Intrinsically Safe

Range:  0 to 1000′ W.C.
Accuracy:  +/- 0.1% FS (BSL)
316L Stainless Steel or Titanium Housing
1″ diameter x 5.75″ length
Polyurethane or FEP (Tefzel) Vented Cable


Technical Specifications:  Oyster 700 Series

TECHNOLOGY/ OPERATION
Measuring Principle                                                                       Submersible Pressure Transducer
Measuring Range                                                                             Version Dependent, up to 2,00 ft W.C.

PERFORMANCE
Accuracy (non-linearity, hysteresis & repeatability)       ± 0.25% FS (BSL) Standard Version
± 0.1% FS (BSL) High Accuracy Version
Overpressure                                                                                    Full scale ranges up to 20 psi – 10X
Above 20 to 150 psi – 4X
Compensated Temperature Range                                          30˚ to 85˚ F (-2˚ to +30˚ C)
Compensated Temperature Accuracy                                    ± 1.5% TEB > 5 psi – Standard Version
± 0.3% TEB > 5 psi – High Accuracy Version
Power Supply                                                                                    2-wire, 4-20mA, 12-40 VDC

OUTPUTS
Analog                                                                                                  1   4-20mA, Loop-powered output
ENVIRONMENT
Temperature Range                                                                       -10˚ to +175˚F  (-20˚ to +80˚C)
Outdoor Rating                                                                                 NEMA 6P  (IP 68) Submersible

DESIGN
Dimensions                                                                                        Version Dependent
Housing  Material                                                                            Stainless Steel 316L, Titanium or PVDF with Ceramic Face
Weight                                                                                                 Approximate 7 oz. (excluding cable)

APPROVALS
Standard                                                                                              General Purpose
Hazardous Areas (Optional- requires I.S. Barrier)              FM & CSA Approved Class I, II; Div. I, II;  Grp A-G

WARRANTY
Product Warranty                                                                            1 year

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