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Murphy Level Swichgage with Latching Control Relays OPLHABPS-05

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Murphy Surface Mount 0-5 Ft Level Swichgage with Latching Control Relay 4-1/2 in. - OPLHABPS-05

Product Condition: NEW
Murphy Surface Mount Level Swichgage Instrument with Latching Control Relay and Square Case OPLHABPS-05
Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

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The Murphy Surface Mount 0-5 Ft Level Swichgage with Latching Control Relay OPLHABPS-05 is a combination level indicating gage with adjustable low and high limit switch. Limit switch can be wired directly to electric pilot circuits to operate alarms, shutdown or start/stop pumps to maintain predetermined levels. This OPLHABPS-05 features a surface mount enclosure and 4-1/2 in. (114 mm) dial for easy viewing. Adjustable limit switch is accessible from front of the Swichgage instrument. Internal latching control relay is available to provide ON/OFF automation for electric motor applications.

The OPLHABPS-05 operates from static head pressure. Pressure is transmitted to the process connection of the Swichgage instrument. From here the pressure operates the 316 stainless steel bellows. The bellows operates the stainless steel rotary geared movement which in turn operates the indicating pointer on the face of the dial. When the pointer closes with the limit contact, a control circuit is completed and signals an alarm and/or shutdown or starts/stops a pump.

Applications: Saltwater Disposal Systems • Waterflood Systems • Diesel Day Tanks • Oil Storage Tanks


  • Surface Mount with Square Case
  • 4-1/2 in. (114 mm) Dial
  • 0–5 ft. (0–1.5 m) Dual Scale Dial
  • Eliminates under/overfill due to “human error”
  • Combination Level Indicating Gage and Critical Level Limit Switch
  • High and Low Level Limit Contacts Are Visible and Adjustable
  • Designed to Start and Stop Pumps to Maintain Specific Levels
  • Latching Control Relay



  • Part No.: OPLHABPS-05
  • Range: 0–5 ft. (0–1.5 m) dual scale dial
  • Case: Die cast aluminum
  • Dial: 4-1/2 in. (114 mm), white on black background
  • Conduit: Square case: 1/2 NPT, conduit
  • Overrange: Do not exceed 10% above full range
  • Accuracy: ±2% for the first and last quarters of the scale, the middle half of scale is ±1%
  • Limit Switch Ratings: Pointer Contacts SPDT center off; 2 A, 30 VDC, 1 A, 125 VAC
  • Latching Control Relay: SPDT, 10 A @ 120 VAC (standard)
  • Sensing Element: Bellows, 316 Stainless Steel (standard)
  • Process Connections: 1/4 NPT Female
  • Item Dimensions: 16 x 11 x 5-1/2 in. (406 x 279 x 140 mm)
  • Item Weight: 8 lb. (3.6 kg) approximately


Additional Information

Product Condition NEW
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