One stop source of process control solutions & measuring instrumentation for industrial and OEM applications.
Level Transmitters
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Big Bear Instruments offers a variety of cost competitive Level Transmitters that can withstand a wide range of media, perform in small spaces, and offer a broad choice of mounting and float materials. When corrosive, sticky, or dirty media is involved or your application requires non-contact level detection, these level transmitters deliver. Don’t waste money on products that will let you down at the wrong time. We sell only high-quality industrial instruments that work hard for you. Sort by manufacturer, series, item type, and more to find the best match for your application. Take a look at our selection of level transmitters today.
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Anfield ULS-A-16M-78 Ultrasonic Level Sensor
$371.25
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An economical solution to your analog sensing need: the Ultrasonic Level Sensor can be used as a simple multipoint level switch or for continuous feedback through a 4–20 mA loop. With no moving parts and fully programmable settings, it is more flexible than float level switches. Its compact size and robust construction make it well suited for industrial or mobile equipment.
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Gems RLI-80 Non-Contact Radar Level Sensor
The Gems® RLI-80 Non-Contact Radar Level Sensor is a no-moving parts continuous level transmitter for reliable performance in challenging OEM and industrial tank level applications. RLI-80 Non-Contact Radar comes standard with 4–20 mA, Modbus, and Bluetooth® connectivity for configuration and setup. The RLI-80 provides accurate level measurement in medias with a dielectric constant of 2 or greater. Constructed of chemically inert PVDF material and designed to withstand IP67 conditions, the RLI-80 withstands the harshest conditions. The 2″ NPT mounting provides adaptability to be used in tanks as large as 49.2 ft (15 m). The RLI-80 is unaffected by changes in physical properties of the application such as pressure, temperature, or vapors.
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Gems Series ULS-100 Universal Level Sensor
$176.04
The versatile Universal Level Sensor is a solution for OEM applications. The sensor is compact, tolerates coating, and is rugged enough for mobile equipment in agricultural, construction, buses as well as power generation, semiconductor and HVAC applications.
Features
- IPX7 & IP6K9K
- RoHS – CE
- Solid-state Output
- Sinking or Sourcing
- Wet or Dry signal
- Resists Coating & build-up
- Water -Oil – Hydrocarbon Based Liquids
- High Process Pressure to 300 PSIG
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Gems UCL-510 Level Transmitter
$975.78Gems® type UCL-510 ultrasonic level sensors are general purpose two-wire ultrasonic sensors that provide non-contact level detection up to 49.2″ (1.25m), with 4 relays for switch or control functions and continuous level measurement. This compact unit offers a non-contact alternative to float or conductance sensors in small tank chemical feed or handling applications when corrosive, sticky, or dirty media is involved. Gems UCL-510 is the non-contact solution for small tank level switch, control and measurement.
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Gems UCL-520 Level Transmitter
$1,829.45Gems® type UCL-520 ultrasonic level sensors are general purpose two-wire ultrasonic transmitters that provide non-contact level measurement up to 26.2′ (8m). They are ideally suited for challenging ultra pure, corrosive, or waste liquids. Push button calibrated, the UCL-520 is broadly selected for atmospheric bulk storage, day tank and waste sump applications. Media examples include wastewater and sodium hydroxide. The PC/ABS enclosure is rated NEMA 4X, and the transducer is housed in rugged PVDF.
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Gems XM/XT-300 Continuous Level Transmitter
Gems® XM-XT 300 Series Continuous Level Transmitter is a polysulfone level sensor designed to bring continuous output to shallow tanks and reservoirs. Compact and versatile, these plastic level sensors offer a broad choice of mountings and float materials. Additional features for the XM-XT 300 Series include all-plastic, wetted parts, 4mm resolution, and indicating length to 14˝ (356 mm).
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Gems XM/XT-700 Continuous Level Transmitter
Gems® XM-XT 700-Series Continuous Level Transmitter combine the durability of stainless steel or brass construction with a lightweight, compact design for restricted spaces. The XM-XT 700 series transmitters feature 4mm resolution, indicating length to 14″ (35.5 cm), stem length to 20″ (50 cm), and are ideal for tanks less than 2 feet.
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Gems XM/XT-800 Continuous Level Transmitter
Gems® XM-XT 800 Series Continuous Level Transmitters feature a compact design with the rugged durability of stainless steel or brass construction. The XM-800 series provides analog output, and the XT-800 series adds a choice of signal conditioning for use with receivers or other digital display and control equipment. The XM/XT-800 transmitters offer a wide variety of material combinations and provide compatibility for most small to mid-size tanks in both process and OEM applications.
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SSI Technologies DFT-110 Level Sensor
$144.00
SSI® type DFT-110 ultrasonic level sensors are cost competitive non-contact liquid level drum gauges. The DFT-110 was designed for usage on ANSI MH2-2004 vertical drums with ≤32″ depths. The gauge allows the user to easily select between the following vertical drum settings: 15, 30, or 55 gallon and 57, 114, or 208 liter. It is not intended for use with gasoline.
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SSI Technologies DFT-220 Level Sensor – 4/20mA
$203.00SSI® type DFT-220 ultrasonic level sensors are cost competitive non-contact liquid level drum gauges with 4-20 mA output. The DFT-220 was designed for usage on standard ANSI MH2-2004 vertical drums with ≤32″ depths. The gauge allows the user to easily select between the following vertical drum settings: 15, 30, or 55 gallon and 57, 114, or 208 liter. It is not intended for use with gasoline.