Rohr 140® Liquid Level Indicator

THE MODEL 140-LLI DIPLAYS THE LEVEL IN AN OPEN-TOP TANK BY SENSING THE HYDROSTATIC HEAD PRESSURE AND CONVERTING IT TO MOVEMENT OF A POINTER ON A FIXED SCALE CONTINUOUSLY INDICATING LIQUID LEVEL IN AN ATMOSPHERIC (VENTED) VESSEL. BECAUSE OF IT’S UNIQUE DESIGN, THE MODEL 140-LLI HAS A LONG SERVICE LIFE WITH MINIMAL MAINTENANCE REQUIREMENTS.

ROHR 140 Liquid Level Indicator

Rohr 140® Features

What sets our Rohr 140® Liquid Level Indicator apart.

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Minimal Maintenance
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Precision Calibration
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Superior Seal Design
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Isolated Mechanical Parts

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About the ROHR Liquid Level Indicator

The Rhor Controls Model 140 Liquid Level Indicator (Model 140-LLI) is the oil and gas industry’s leading on the market. It utilizes cutting-edge diaphragm sensors to give you a constant analog readout of the liquid level in a vented container.

The Rohr Controls Model 140 LLI requires minimal maintenance due to its modular design.

Its precision diaphragms have been precision calibrated to ensure consistent, accurate readouts.

The seal design ensures that the mechanical parts are isolated from fluids and corrosive agents in the atmosphere.

 The Model 140-LLI displays the level in a tank by sensing the head pressure and converting it to the movement of a pointer on a fixed scale, continuously indicating the liquid level in an atmospheric (vented) vessel. 

Because of its unique design, the Model 140-LLI has a long service life with minimal maintenance requirements. The Model

140-LLI utilizes a set of precision-crafted diaphragms as the sensing element, and the superior seal design isolates mechanical working parts from process fluids and corrosive agents in the atmosphere. Span and zero adjustment nobs are on the exterior of the unit, and if maintenance is ever required on the interior of the unit, the face plate can be easily removed.  All components are stainless steel, span and zero adjustment knobs, and a leak indicator that lets the operator know if the primary seal is compromised.

THE MODEL 140-LLI UTILIZES ONE OR MORE MICROSWITCHES TO CONTROL VARIOUS ELECTRICAL DEVICES.

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Specs

Operating Temperature:
-20°F to 225°F.Maximum Head Pressure:
90 PSI.Range (Vessel Height):
3 feet through 60 feet.CSA Certified:
Explosion Proof Class I, Division I, Group DOptions
Connector Options:
2” FNPT Standard (Stainless Steel).
Scale Options:
Include feet of water, gallons, barrels and cubic meters and others.Multipe Switch Options:
Including 2 through 7 switches.Electrical Switches:
SPDT Micro Switch; 11 Amp @ 120 to 250 VAC 1/2 Amp @ 125 VDC.Electrical Connections:
1/2” Female Pipe Thread or 3/4” Female Pipe Thread
Indicator Accuracy:
+ / – 2% of Full ScalePulsation Dampener:
The pulsation dampener minimizes pressure spikes caused by erratic flow of liquid into or out of the vessel, delivering a constant pressure on the spring for more accurate readings.