Wema USA, Inc. - Fort Lauderdale, FL
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of sensors including liquid level tank monitors made from stainless steel. Available in 4 in. to 38 in. length with 10 mm to 40 mm resolution and -40 degrees C to +85 degrees C operating temperature. Used in black and gray water tanks. Meets ISO, CE, NMMA, ABYC and USCG standards.
www.wemausa.com/sensors/coverSensors.shtml#...

Gearench - Clifton, TX
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer of liquid level tank monitors for vertical storage tanks & made of weather resistant & clear UV protected polycarbonate. Tank level monitors are available with stainless steel low profile A frame, stainless steel seal bearing pulleys & deep grooved nylon inserts, nylon coated stainless steel cable, tank attachments for welded, bolted & fiberglass tanks, stainless steel floats, reflective vinyl measurement decals & nylon tank plugs with minimum clearance for cable.
www.gearench.com/products/tank-safety-gauge...

Schmitt Industries, Inc. - Portland, OR
Distributor, Manufacturer, Service Company
Manufacturer of Xact® worldwide propane tank monitoring system. The Xact® tank monitoring system transmits data via Globalstar® satellite & displays tank information via internet on your computer or PDA.
www.xact-data.com/products/

Innovative Solutions, LLC - Naugatuck, CT
Distributor, Custom Manufacturer
Custom manufacturer of gages including liquid level tank monitors or level indicators. Visual liquid level indicators are available in brass, PTFE, 316 stainless steel or PVC stem materials. Indicators are available with maximum pressure of up to 750 psig & maximum temperature ranging up to 705 degrees F. Indicators with 1 in., 2 in. & 3 in. NPT & flange mounting styles & Buna or stainless steel float are also available. Applications include fuel tanks, remote chemical & water storage, hazardous liquid storage & on-road tanks & drums.
www.innovativesensing.com/intermediate.aspx...

Madison Co. - Branford, CT
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 certified. Manufacturer of standard and custom monitors including pressure, temperature, proximity, liquid level and reed sensors. Various types include thermocouples, thermistors, bimetal switches, hydrostatic, PCB mount and negative, vacuum, actuator and HVAC pressure switches. RoHS, WEEE and REACH compliant. UL listed. NSF, FM, CSA and CE approved. Made in USA.
www.madisonco.com/index.php

Hatfield and Company, Inc. - Locations
Distributor, Manufacturers' Rep
Manufacturers rep. & distributor of liquid level control monitoring equipment.
www.hatfieldandcompany.com/search/levelmeas...

L & J Technologies, Inc. - Hillside, IL
Manufacturer, Custom Manufacturer
Manufacturer of Tank Monitors & level gauging equipment. L&J Tank Monitors provide leak detection, alarm & tank level information. Serving the petroleum, petrochemical, chemical, food, pharmaceutical, pipeline, steel, water treatment & biogas industries.
Brand Names: GPE, Omnitrol
www.ljtechnologies.com/ljeng/lje.htm

Safe-T-Tank Corp. - Meriden, CT
Manufacturer, Custom Manufacturer
Manufacturing vertical mounted, 2 in. NPT-M self-contained, battery operated, high/low tank level monitoring. NEMA 4X box with loud, audible alarm with front 360 degree flashing visual indicating LED's & "test" feature.
www.safe-t-tank.com/leak_det.html

KROHNE, Inc. - Peabody, MA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of flow measuring devices including liquid bypass level indicators & wireless gages for tank monitors applications. Features include, suits corrosive, noxious or flammable substances, level or interface measurement, measurement of pressure up to 120 bar & temperatures up to 300 degrees C, readable scale for level readings & no power required. Options available include limit switches. Products can be customized to meet exact requirements.
krohne.com/en/

Cannon Water Technology, Inc. - Granite Bay, CA
Distributor, Service Company
Distributor of liquid level wireless tank monitors & indicators including temperature & pressure gages. Transmitters, thermo-wells & test equipment are also available.
www.cannonwater.com/Products/wika.html

Motor Protection Electronics, Inc. - Apopka, FL
Manufacturer, Custom Manufacturer
Manufacturer of phase & voltage monitors. Phase monitors protect against under voltage & rapid load cycling. Phase monitors will trip at 15 percent of setting for 230 V & will reset at 12% for 230 V in under voltage & over voltage conditions. Other specifications include trip delay of 5 seconds, reset delay of 2 seconds standard, voltage ranging from 100 V to 130 V & 200 V to 240 V, output rating of 10 A resistive at 240 VAC & 6 A inductive at 240 VAC, white Lexan® enclosure & phenolic base.
products.mpelectronics.com/item/level-measu...

AMETEK U.S. Gauge PMT Products - Feasterville, PA
Manufacturer
Manufacturer of liquid level tank monitors. Includes optional desktop housings, internal mounting locations for lighting & surge protectors & display data for transmitters, transducers & scales. Also includes adjustable input filters for noise rejection, selectable display resolution, square root extraction for flow measurement with DP transmitters, 24 volt excitation, alarm relays & analog or digital outputs for process control functions. Meters are powered from 100 to 240 VAC. Serves aerospace, aquatic, aviation, automotive, industrial, laboratory, medical, & military markets.
www.ametekusg.com/products/controllers.cfm

Harwil - Oxnard, CA
Manufacturer
Manufacturer of pump up/down liquid level controls for automatic filling or emptying of tanks or vessels. Design eliminates false starts due to turbulent wave action. Models for clean or contaminated fluids, acids & bases.
www.harwil.com/products/level-switches

Gulf Controls Company, LLC - Tampa, FL
Distributor, Custom Manufacturer, Service Company
Distributor of fluid controls including liquid level tank monitors. Types include flow meters, liquid filled pressure gages, flow control valves, switches & transducers. Capabilities include design & programming, turn-key control systems, electro-mechanical control integration, retrofitting & CAD. Services include on-site consultation, inspection, testing, assembly of power units, special systems, manifolds & structural framing units, fabrication, installation, in house lapping, machining, special packaging, barcode labeling & kitting of part sets.
Brand Names: Neodyne
www.gulfcontrols.com/product-lines/pl-compl...

LOFA Industries, Inc. - Roswell, GA
Distributor, Manufacturer
Lean manufacturing. Manufacturer of liquid level tank monitors or sensors for oil, fuel & aqueous mediums. Types include hydraulic & fuel liquid level tank monitors. Sensors are available in 8 in. to 47 in. length with various features including plus or minus switch output, environmental protection up to IP 69K & voltage, PWM or current outputs. Monitors are compatible with 12 & 24 voltage systems. Two years warranty.
Brand Names: BEDIA

Drum Alarm - Rochester, NY
Manufacturer
Manufacturer of liquid level tank monitors.

Spectrapure - Tempe, AZ
Distributor, Manufacturer, Manufacturers' Rep
Manufacturer of water filtration & purification systems including water quality monitors, tank level monitors & liquid level tank monitors. Available with an accuracy of plus/minus 2 percent. Applications include whole-house reverse osmosis systems, aquarium, water garden & pond use, horticultural, greenhouse & nursery; medical, laboratory, printed circuit board manufacturing, laser cooling loops, purified water systems for hydrogen generation & fuel cell applications, humidification & steam generation, spot-free car wash & spot-free window washing applications, arsenic removal drinking water systems.

STI - Morrisville, NC
Distributor, Custom Manufacturer
ISO 9001:2000 certified distributor for the biotech, pharmaceutical, chemical & food industries. Products include fittings, gages, gaskets, hose, hose assemblies, plastic tanks, tubing & valves.

PGK, Inc. - Maple Valley, WA
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of liquid level tank monitors including level controllers & switches.

Prime Measurement Products, LLC - City Of Industry, CA
Manufacturer, Custom Manufacturer
ISO 9001 certified manufacturer of liquid & ultrasonic level tank analog monitors. Features include alarm set point comparison & reporting, on-demand measurement & reporting & linking facility for up to 30 monitors to one system controller. Specifications include accuracy up plus/minus 0.15% of analog input range, operating temperature ranging from minus 40 degrees F to plus 140 degrees F, up to 8 analog inputs, 14 terminal block electrical connections, & wall & pipe mounting. Analog monitor transmits values ranging from 4 mA to 20 mA & from 0 VDC to 5 VDC signals remotely to the controller using battery powered local radio network.

FMC Tanks - Charleston, SC
Distributor, Manufacturer, Service Company
Manufacturer of standard & custom tank monitoring systems including liquid level tank monitors & indicators. Other products such as recycling bins/hoppers, sea-containers, tanks, stacks, modular generator systems, chemical & volatile liquid storage buildings, structural canopy enclosures, barge/crane lifting systems & ballistic resistant shelters are available. Capabilities include metal forming, welding & coating.

KRIWAN Americas - Dayton, OH
Manufacturer
Manufacturer, distributor & designers of liquid level & tank level monitors. Features include screw-in unit & removable evaluation unit, relay switches, color coded connection cable, coupling ring mounting & nickel plated steel & glass fiber reinforced housing. Specifications include 240 V relay, 120 bar compressive strength, 42 bar maximum operational pressure, 45 g to 80 g weight & minus 30 degrees C to 60 degrees C ambient temperature range. Liquid & tank level monitors are used for level monitoring of fluids in oil sump of motors, tanks & reservoirs & also for non-contact detection of fill limits.

King Engineering Corp. - Newell, WV
Manufacturer, Custom Manufacturer
Manufacturer of liquid level tank monitors including multiple tank processor/setpoint controller, & operating system (OS) for Windows 98/2000. Controller features include 8 tank multiple channel capacity, direct entry of digital setpoints, & dual SPDT controller relays per channel. Digital setpoints offers a simple level monitoring. SP processors support digital RS-485 communications to a central control & use the digitally controlled relays to provide discrete level inputs through analog I/O of a PLC. Operator interface with menus & prompts, secure data configuration structure & runs on any Windows® based PC. Accurate plant-wide tank level inventory monitoring.
Brand Names: LevelPRO, LevelVIEW

Greyline Instruments, Inc. - Massena, NY
Manufacturer
Manufacturer of a full line of level monitors which measures level or open channel flow & features user-friendly calibration system, 3 programmable control relays, electrical surge protection, intrinsically safe sensor option, self-testing option, false echo rejection & isolated 4-20 mA (1000 ohm) output. Standard PVC sensors with optional PTFE are rated for measurement ranges up to 32 ft or optional PVC sensor rated for 50 ft.

BJ Enterprises - Waynesboro, VA
Distributor, Manufacturer
Tank monitoring systems & indicators. Tank level alarms. Monitors for high or low tank. Leak detectors & sensors. Audio-visual liquid level early warning systems. Tank air valve systems. Electric drain valves.