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Truflo® OBS Series LED Plastic Pressure Gauge

Truflo® OBS Series LED Plastic Pressure Gauge

All Plastic LED Digital Pressure Gauge & Isolator

Highest Accuracy ±1% + 4-20mA + 2 Relay Outputs


  • All Plastic (Gauge + Isolator)

  • No Filling Required

  • Heavy Duty Design; Simple to Install

  • Completely Corrosion Resistant

  • Designed to Act as Visual Pressure Alert for Bag/Filter Change-Out

  • Extra Large LED Display

  • Reduces Small Pressure Surges caused by Water Hammer or Metering Pump Pulsations

  • Highest Accuracy in Industry 1%

  • One-Piece Molded Design (No Assembly)

  • Suitable for Corrosive Media + Slurries

  • No Programing Required

  • PTFE Diaphragm – Standard PP and PVDF

  • 15 FT of Cable Standard


Dial Diameter Large 2-1/2" (Big Numbers)
Mounting Direct Mount, Bottom Connection FNPT 1/2"
Housing NEMA 4X PVDF or Polypro - PTFE Diaphragm -´┐ŻOne Piece Molded Design (No Assembly)
Lens Polycarbonate
Dial Dial LED
Connection 1/2" FNPT
Accuracy +/-1.0 %
Operating temperature Max. Working Temp. PVDF-195 F, PP-170ºF
Pressure Range 0-290 PSI (Ambient Temp)
Output 4-20mA + 2 (NPN or PNP) Relay Outputs
Power Supply 10-30V DC


OBS Series LED Data Sheet
OBS Series LED Page 2 Data Sheet
OBS Series LED Page 3 Data Sheet


About Us

Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


Our Products

Dataloggers, sensors, pumps, recorders, hand held instruments, flow instrumentation, level controls, valves, instrumentation, containers, tanks, transmitters, data loggers, digital indicators, mixers and agitators, pressure intrumentation, analyzers and controllers for a variety of industrial applications such as water quality, pH/ORP and more.

Website Content

Water Analyzers and Controllers, Wireless Products, Corrosion Monitoring Equipment, Cooling Tower and Boiler Controllers, a wide variety of Pumps, Valves, Dataloggers and Recorders, HVAC, Instrumentation, Skids and Systems, Containers and Tanks from world leading manufacturers are products you will find on this site.

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