Liquid Level Indicators

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Big Bear Instruments offers a variety of liquid level indicators that are designed for excellent external, visual liquid level indication. Don’t let levels creep up or down on you. Keep a close eye on them so that your process isn’t delayed. We have liquid level indicators for many different industries and applications. Some are made to withstand the most unforgiving environments and high temperatures. Every level indicator we sell is built to last a long time and give accurate readings, inside and out. Sort by manufacturer, series, and more to find the best level indicator for your application. If you can’t find what you need, then contact our customer support team and let them assist you.

  • Gems DIPTAPE™ Indicators – Alloy Versions

    Gems® DIPTAPE™ Indicators (Alloy Version) are rugged brass or stainless steel units ideal for use in water and oils. They have the capability of withstanding temperatures up to 300°F (148°C) and pressure up to 750 psi (52 bar).  The Alloy DIPTAPE Indicators also have indicator markings available in inches or millimeters.

    Common industries that would benefit from the Alloy DIPTAPE indicator include general, marine, power generation, and process control.

     

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  • Gems DIPTAPE™ Indicators – PVC Versions

    Gems® DIPTAPE™ Indicators (PVC Version) are ideal for chemical storage tanks.  They provide one of the best values for liquid level monitoring and can withstand temperatures up to 140°F (60°C) and pressures up to 15 psi (1 bar).  The PVC DIPTAPE indicators are light duty and recommended for use in calm liquids. Indication markings are available in inches or millimeters.

    Common industries that would benefit from the PVC DIPTAPE Indicator are general, marine, process control, process tank gauging, water, and wastewater.

     

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  • Gems LED SureSite® Level Indicator

    Gems® LED SureSite® Level Indicator is a versatile visual level indicator and continuous level transmitter in one product. It is built to withstand constant vibration and shock while operating and every unit can withstand freezing temperatures, rain storms, and wash downs. The LED SureSite indicators are designed to detect tank levels in low light and dirty environments (where traditional units would get covered or be invisible).

    Common applications for the LED SureSite are pharmaceuticals, medical equipment, food and beverages, marine, rail, and boilers.

     

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  • Gems SureSite® High Performance Level Indicator

    Gems® SureSite® High Performance Level Indicators are designed for the most demanding applications.  They feature ANSI flanges and fittings and construction to rigorous ASME standards. The SureSite High Performance series can withstand temperatures up to 750°F (399°C) and pressures up to 4200 PSI (290 bar).  Designed to meet the requirements of ASME B31.1/B31.3, the SureSite High Performance Level Indicators have the reliability and durability for the toughest applications.

     

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  • Gems SureSite® Mini Level Indicator

    Gems® SureSite® Mini indicators feature a diameter of only 1¼” and are perfect for tight spaces. They can replace existing, antiquated sight glasses for excellent external, visual liquid level indication. The SureSite Mini is ideal for use with clean, low viscosity liquids and can withstand pressure up to 400 PSI (27 bar) and temperature up to 400°F (204°C).  These units feature 316 Stainless Steel construction and are available in lengths to over 20 feet.

    Typical applications for the Mini SureSite include pharmaceuticals, medical equipment, food and beverages, semiconductor manufacturing, and boilers.

     

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  • Gems SureSite® Plastic Level Indicator

    Gems® SureSite® Plastic Indicators have a 2″ schedule 80 pipe design that is ideal for use on chemical storage tanks, or with almost any liquid where temperature and pressure requirements are moderate. All SureSite indicators feature the same patented flag for excellent visibility and long-life reliability. The SureSite Plastic Indicators can withstand temperatures up to 280°F (139°C) and pressures up to 150 psi (10 bar).  Another excellent feature is their capability of continuous visual indication up to 20ft.

    Typical industries that can benefit from the SureSite Plastic Indicator are general, process, process tank gauging, and water/wastewater management.

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  • Gems SureSite® Standard Level Indicator

    Gems® SureSite® Standard Alloy Visual Level Indicators have a rugged, welded construction designed for dependability.  They feature a 2.5″ diameter design and can withstand temperatures up to 750°F (399°C) and pressures up to 700 psi (48 bar).  Available in explosion-proof, the SureSite Standard level indicator is constructed for a long service life both indoors and out.

     

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