GEMS SENSORS & CONTROLS is a global supplier of sensing and control solutions, specializing in liquid level, flow, pressure sensors, miniature solenoid valves, proximity switches, and integrated fluid management solutions. The company, established in 1955, possesses over 65 years of engineering expertise as a trusted manufacturer. It offers precision-engineered products for diverse industries, including agricultural equipment, medical devices, and industrial automation. GEMS SENSORS & CONTROLS supports OEMs and system integrators worldwide, delivering over 5 million sensors annually.GEMSSENSORS&CONTROLSisaglobalsupplierofsensingandcontrolsolutions,specializinginliquidlevel,flow,pressuresensors,miniaturesolenoidvalves,proximityswitches,andintegratedfluidmanagementsolutions.Thecompany,establishedin1955,possessesover65yearsofengineeringexpertiseasatrustedmanufacturer.Itoffersprecision-engineeredproductsfordiverseindustries,includingagriculturalequipment,medicaldevices,andindustrialautomation.GEMSSENSORS&CONTROLSsupportsOEMsandsystemintegratorsworldwide,deliveringover5millionsensorsannually.
Key Products/TechnologiesKeyProducts/Technologies
Liquid Level Sensors & Switches: Comprehensive liquid level monitoring solutions utilizing float, electro-optic, ultrasonic, radar, capacitance, conductivity, and magnetostrictive technologies. A wide range of products for single-point, multi-point, and continuous level measurement. The ULS-200 Capacitance Point-Level Sensor features a durable, solid-state design with no moving parts. The LS-800 Multi-Point Level Switch supports up to six actuation points and is a rugged float switch suitable for water, oils, chemicals, and corrosive liquids. The LS-3 Single-Point Float Level Switch is a compact, low-cost solution ideal for shallow tanks and high-volume OEM use.LiquidLevelSensors&Switches:Comprehensiveliquidlevelmonitoringsolutionsutilizingfloat,electro-optic,ultrasonic,radar,capacitance,conductivity,andmagnetostrictivetechnologies.Awiderangeofproductsforsingle-point,multi-point,andcontinuouslevelmeasurement.TheULS-200CapacitancePoint-LevelSensorfeaturesadurable,solid-statedesignwithnomovingparts.TheLS-800Multi-PointLevelSwitchsupportsuptosixactuationpointsandisaruggedfloatswitchsuitableforwater,oils,chemicals,andcorrosiveliquids.TheLS-3Single-PointFloatLevelSwitchisacompact,low-costsolutionidealforshallowtanksandhigh-volumeOEMuse.
Pressure Sensors & Switches: High-precision pressure measurement devices utilizing MEMS-based transducers, rugged switches, CVD, sputtered thin film, and capacitive technologies. Supporting a wide pressure range from vacuum to 10,000 PSI for various applications. The 3100/3200 Series Pressure Transducers are rugged products with stainless steel construction and high stability. The PS61 Series Pressure Switch is a durable OEM pressure switch with a wide pressure range, long cycle life, and IPX9K-rated sealing for harsh environments. The 3500 Series Pressure Transducer is ideal for installations where space is at a premium, offering quick accuracy at power-up.PressureSensors&Switches:High-precisionpressuremeasurementdevicesutilizingMEMS-basedtransducers,ruggedswitches,CVD,sputteredthinfilm,andcapacitivetechnologies.Supportingawidepressurerangefromvacuumto10,000PSIforvariousapplications.The3100/3200SeriesPressureTransducersareruggedproductswithstainlesssteelconstructionandhighstability.ThePS61SeriesPressureSwitchisadurableOEMpressureswitchwithawidepressurerange,longcyclelife,andIPX9K-ratedsealingforharshenvironments.The3500SeriesPressureTransducerisidealforinstallationswherespaceisatapremium,offeringquickaccuracyatpower-up.
Flow Sensors & Switches: A product line for reliable detection of liquid and gas flow, based on rotor, piston, paddle, shuttle, thermal dispersion, and ultrasonic technologies. The XFT Series Clamp-On Ultrasonic Flow Meter provides non-invasive, accurate flow and temperature monitoring with easy installation. The FS-380P Series Flow Switches are compact, non-metallic inline switches ideal for coolant and fluid handling in HVAC, medical, and industrial systems. The RFO-PW Water Rotorflow® Electronic Flow Sensor is an electronic flow sensor with an FDA-compliant rotor and pulsed output for potable water systems.FlowSensors&Switches:Aproductlineforreliabledetectionofliquidandgasflow,basedonrotor,piston,paddle,shuttle,thermaldispersion,andultrasonictechnologies.TheXFTSeriesClamp-OnUltrasonicFlowMeterprovidesnon-invasive,accurateflowandtemperaturemonitoringwitheasyinstallation.TheFS-380PSeriesFlowSwitchesarecompact,non-metallicinlineswitchesidealforcoolantandfluidhandlinginHVAC,medical,andindustrialsystems.TheRFO-PWWaterRotorflow®ElectronicFlowSensorisanelectronicflowsensorwithanFDA-compliantrotorandpulsedoutputforpotablewatersystems.
Miniature Solenoid Valves: Automatic flow control valves offering 2-way and 3-way functions, available in miniature and sub-miniature sizes. Characterized by low power draw, fast response, and long life, providing reliable fluid control across a wide range of media and pressures. Offering various types including general-purpose valves, isolation valves for high purity or aggressive fluids, and cryogenic valves suitable for extreme cold to -196°C.MiniatureSolenoidValves:Automaticflowcontrolvalvesoffering2-wayand3-wayfunctions,availableinminiatureandsub-miniaturesizes.Characterizedbylowpowerdraw,fastresponse,andlonglife,providingreliablefluidcontrolacrossawiderangeofmediaandpressures.Offeringvarioustypesincludinggeneral-purposevalves,isolationvalvesforhighpurityoraggressivefluids,andcryogenicvalvessuitableforextremecoldto-196°C.
Proximity Switches: Sensor solutions for object detection in various industrial applications.ProximitySwitches:Sensorsolutionsforobjectdetectioninvariousindustrialapplications.
Relays & Barriers: Solid-state relays and Zener barriers designed for safe, arc-free signal control in hazardous environments. Product lines include Programmable Electronic SAFE-PAK® Relay, 65800 Series Single Channel Zener Barrier, and 54800 Series Dual Channel Zener Barrier.Relays&Barriers:Solid-staterelaysandZenerbarriersdesignedforsafe,arc-freesignalcontrolinhazardousenvironments.ProductlinesincludeProgrammableElectronicSAFE-PAK®Relay,65800SeriesSingleChannelZenerBarrier,and54800SeriesDualChannelZenerBarrier.
Integrated Fluid Management Solutions: Custom fluidic systems tailored to OEM specifications, providing simplified installation and optimized performance.IntegratedFluidManagementSolutions:CustomfluidicsystemstailoredtoOEMspecifications,providingsimplifiedinstallationandoptimizedperformance.
Warrick Conductivity Controls: Conductivity-based liquid level control solutions ideal for boilers, sumps, and tanks.WarrickConductivityControls:Conductivity-basedliquidlevelcontrolsolutionsidealforboilers,sumps,andtanks.
Core AdvantagesCoreAdvantages
Extensive Product Portfolio and Technical Expertise: Possession of core product families like liquid level, flow, and pressure sensors, solenoid valves, and a broad range of sensing technologies including float, optical, ultrasonic, and MEMS. Capability to provide comprehensive solutions meeting diverse industrial requirements. Over 70 years of sensor innovation experience contributing to technological leadership.ExtensiveProductPortfolioandTechnicalExpertise:Possessionofcoreproductfamilieslikeliquidlevel,flow,andpressuresensors,solenoidvalves,andabroadrangeofsensingtechnologiesincludingfloat,optical,ultrasonic,andMEMS.Capabilitytoprovidecomprehensivesolutionsmeetingdiverseindustrialrequirements.Over70yearsofsensorinnovationexperiencecontributingtotechnologicalleadership.
Custom Solutions and OEM Manufacturing Capabilities: Provision of OEM manufacturing services for designing, prototyping, and mass-producing sensors and fluid management systems tailored to specific customer needs. Expert engineering teams integrating advanced engineering techniques and field-proven mechanical design best practices to develop robust, cost-optimized solutions. Rapid prototyping and fast production ramp-up capabilities contributing to reduced time-to-market.CustomSolutionsandOEMManufacturingCapabilities:ProvisionofOEMmanufacturingservicesfordesigning,prototyping,andmass-producingsensorsandfluidmanagementsystemstailoredtospecificcustomerneeds.Expertengineeringteamsintegratingadvancedengineeringtechniquesandfield-provenmechanicaldesignbestpracticestodeveloprobust,cost-optimizedsolutions.Rapidprototypingandfastproductionramp-upcapabilitiescontributingtoreducedtime-to-market.
Global Manufacturing and Support Network: Operation of ISO-certified manufacturing facilities in North America, Europe, and Asia, providing fast response, localized service, and technical support to customers worldwide. Strategically located manufacturing sites helping reduce logistics costs and accelerate time-to-market. Global presence ensuring resources to support design and manufacturing requirements anywhere.GlobalManufacturingandSupportNetwork:OperationofISO-certifiedmanufacturingfacilitiesinNorthAmerica,Europe,andAsia,providingfastresponse,localizedservice,andtechnicalsupporttocustomersworldwide.Strategicallylocatedmanufacturingsiteshelpingreducelogisticscostsandacceleratetime-to-market.Globalpresenceensuringresourcestosupportdesignandmanufacturingrequirementsanywhere.
Quality and Reliability: Assurance of product performance and reliability through over 65 years of engineering excellence, ISO 9001, and ISO 13485 (medical device) certifications. Application of Lean Manufacturing principles and rigorous quality control procedures (FMEA, Six Sigma, etc.) leading to improved yield, reduced inventory, shortened production cycles, and lower costs. Individual design and 100% pre-testing of each fluidic component and sub-assembly to ensure reliability for specific applications.QualityandReliability:Assuranceofproductperformanceandreliabilitythroughover65yearsofengineeringexcellence,ISO9001,andISO13485(medicaldevice)certifications.ApplicationofLeanManufacturingprinciplesandrigorousqualitycontrolprocedures(FMEA,SixSigma,etc.)leadingtoimprovedyield,reducedinventory,shortenedproductioncycles,andlowercosts.Individualdesignand100%pre-testingofeachfluidiccomponentandsub-assemblytoensurereliabilityforspecificapplications.
Extensive Industry Application Experience: Deep understanding and application experience across a wide range of industries including medical devices, industrial automation, HVAC, transportation, water treatment, semiconductor fabrication, and food and beverage. Over 20 years of service to the medical market, contributing to patient safety and enhanced medical equipment performance. Provision of high-quality solutions meeting the demands of complex and challenging functions and applications.ExtensiveIndustryApplicationExperience:Deepunderstandingandapplicationexperienceacrossawiderangeofindustriesincludingmedicaldevices,industrialautomation,HVAC,transportation,watertreatment,semiconductorfabrication,andfoodandbeverage.Over20yearsofservicetothemedicalmarket,contributingtopatientsafetyandenhancedmedicalequipmentperformance.Provisionofhigh-qualitysolutionsmeetingthedemandsofcomplexandchallengingfunctionsandapplications.
Target IndustriesTargetIndustries
Medical Devices (In Vitro Diagnostics, Medical Lasers, Analytical Instruments, Respiratory Care, Sterilization, Surgical Systems, Dialysis Machines, Ventilators, Proton Therapy Systems)MedicalDevices(InVitroDiagnostics,MedicalLasers,AnalyticalInstruments,RespiratoryCare,Sterilization,SurgicalSystems,DialysisMachines,Ventilators,ProtonTherapySystems)
Industrial Automation and Process ControlIndustrialAutomationandProcessControl
HVAC (Heating, Ventilation, and Air Conditioning)HVAC(Heating,Ventilation,andAirConditioning)
Hydraulic and Pneumatic SystemsHydraulicandPneumaticSystems
Boilers and Purified Water SystemsBoilersandPurifiedWaterSystems
Imaging SystemsImagingSystems
Major MarketsMajorMarkets
China, JapanChina,Japan
United Kingdom, GermanyUnitedKingdom,Germany
United States, CanadaUnitedStates,Canada
Certifications/PatentsCertifications/Patents
ISO 9001 Certification: Manufacturing facilities in the U.S., U.K., and China hold ISO 9001 certification for quality management systems.ISO9001Certification:ManufacturingfacilitiesintheU.S.,U.K.,andChinaholdISO9001certificationforqualitymanagementsystems.
ISO 13485 Certification: The U.S. headquarters site holds ISO 13485 certification for medical device quality management systems.ISO13485Certification:TheU.S.headquarterssiteholdsISO13485certificationformedicaldevicequalitymanagementsystems.
CRN Approval: CRN approval for Canadian applications.CRNApproval:CRNapprovalforCanadianapplications.
CE Mark: Conformance with CE mark requirements through certified type testing to EMC Directive 2004/108/EC and EN 61326-1, EN 61326-2-3.CEMark:ConformancewithCEmarkrequirementsthroughcertifiedtypetestingtoEMCDirective2004/108/ECandEN61326-1,EN61326-2-3.
RoHS and UL Standards: Pressure products are certified to RoHS and UL standards.RoHSandULStandards:PressureproductsarecertifiedtoRoHSandULstandards.
Patents: Holds US Patent No. 10,534,011 and US Patent No. 10,534,012 related to the FS-B Bidirectional Flow Switch (Part Number 254300). US Patent Application US20120210782A1 for liquid level sensors. A portfolio of patents for innovative technologies, including an early patent for a float switch in 1959 and the development and patenting of level and visual flow indicators in 1966. A patent granted on February 26, 2019, for a sensor assembly that generates an output electrical signal corresponding to a second ultrasonic signal.Patents:HoldsUSPatentNo.10,534,011andUSPatentNo.10,534,012relatedtotheFS-BBidirectionalFlowSwitch(PartNumber254300).USPatentApplicationUS20120210782A1forliquidlevelsensors.Aportfolioofpatentsforinnovativetechnologies,includinganearlypatentforafloatswitchin1959andthedevelopmentandpatentingoflevelandvisualflowindicatorsin1966.ApatentgrantedonFebruary26,2019,forasensorassemblythatgeneratesanoutputelectricalsignalcorrespondingtoasecondultrasonicsignal.