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OBS-LE Digital Pressure Transmitter

Brand: Truflo®

The OBS-LE Series is the industry’s only integral molded one-piece plastic Pressure Transmitter and Gauge Guard. 

Gauge Guards are utilized to protect the pressure gauge from any corrosive media in the process system via an isolator. 

The OBS-LE Series Pressure Transmitters are truly unique and industry leading when it comes to pressure measurement in corrosive environments. 

OBS-LE Pressure Transmitters are a one-piece design and come factory pre-filled, resulting in an industry leading accuracy of 1.0%.

Eliminating the need for filling saves the user time and the difficulty of having to fill a gauge isolator. 

The bright LED will change from green to red in any upset condition. 

The OBS-LE is equipped with a 4-20mA output + 2 Relays (NPN or PNP). 

The OBS-LE Series is available in PVC, PP & PVDF, all equipped with a Teflon® Diaphragm, making the entire unit completely corrosion resistant and the perfect pressure gauge for chemical applications. 

Engineering the entire body in a plastic housing rather than just the gauge guard allows users to be confident that the complete unit will stand up in even the most corrosive environments.
Features
  • All Plastic | Gauge & Isolator
  • Pressure Gauge + Switch + Transmitter + Isolator
  • Green LED changes to Red – Relays Active
  • Reduces Pressure Pulsations
  • High Accuracy | ±1.0%
  • Visual Notification of Relay Outputs
  • One-Piece Molded Design | No Filling

Specifications

Brand

Mounting

  • Direct Mount
  • Bottom Connection

Process Connection

  • 1/2” MNPT
  • FNPT
  • Type G
  • Flanged

Power Supply

  • 10-30 Vdc

Pressure Ranges

  • 0 to 145 psi

Lens

  • High Impact Polycarbonate

Accuracy

  • ± 1.0 %

Operating Temperature

  • PVC - 140° F
  • PP - 190° F
  • PVDF - 240° F

Dial Diameter

  • 2”

Standards and Approvals

  • CE
  • FCC
  • RoHS

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