The 2852-PCD Plugged Chute Detector provides non-intrusive monitoring of chutes and hoppers for bulk material detection. Combining the technology of capacitance with unique sensor designs provide non-intrusive monitors for bulk solids handling systems. The result is a low cost and low maintenance system to determine the presence or absence of product in a pipe, chute, or other ves... (read more)

The FluoroCheck II provides benchtop and field monitoring of petroleum oils in: (read more)

Take Control of Foam in Oil & Gas Operations
Arjay's foam control switches and monitors deliver real-time detection for reliable foam suppression in process applications. Trusted since 1983. (read more)

With Arjay's 40+ years of capacitance expertise, the 2880-FCM Foam Control Monitor delivers accurate, continuous foam level detection (read more)

With Arjay's 40+ years of capacitance expertise, the 2880-FCM Foam Control Monitor delivers accurate, continuous foam level detection. (read more)

Reliable Continuous Level Monitoring With No Moving Parts

The 2880-LT Probe Mounted Level Transmitter delivers accurate 4-20 mA level output for liquids and solids. Corrosion-resistant. Easy calibration. (read more)

The Arjay 2852-HCF floating alarm monitors sumps, tanks, and lagoons for surface oil accumulation — alerting operators instantly. Tracks changing water levels automatically. Works with all oil types. (read more)

20+ years of protecting the environment—and we're just getting started.
Arjay Engineering has completed new North American, ATEX, and IECEx approvals on our redesigned HydroSense 4410-LMP Oil in Water Analyser.
Now suitable for Class I, Zone 2 hazardous locations. No purge required.
Continuous. Reliable. Certified. (read more)

The FluoroCheck II measures petroleum hydrocarbons in wastewater, groundwater, cooling water, and produced water—with results you can trust.
Solvent-free screening or full extraction testing? You choose. Disposable cuvettes eliminate cross-contamination. Multi-point calibration handles site-specific needs. (read more)

The 2880-LT probe-mounted capacitance transmitter provides reliable continuous level monitoring for water and wastewater systems. Corrosion-resistant stainless steel and Teflon parts, no moving components, and HF capacitance technology deliver accurate, maintenance-free measurements with 4-20 mA output for pumps, alarms, or control systems. (read more)

Continuous level monitoring that won't foul or fail you
The 2880-LT uses HF capacitance technology — no moving parts, no routine cleaning. Probe-mounted electronics with 4-20 mA output. (read more)

Meet Discharge Regulations Without Chemicals, Consumables, or Costly Downtime
The HydroSense 4410-LMP ensures continuous EPA/IMO compliance with zero consumables. Non-contacting sensors mean lower maintenance costs and reliable readings. (read more)

Arjay Engineering is proud to announce the completion of the new North American, ATEX, and IECEx approvals on our redesigned HydroSense 4410-LMP Oil in Water Analyser (read more)

The HydroSense 4410-LMP Oil in Water Analyser offers continuous on-line monitoring for ppm concentrations of petroleum oils in effluent and produced water without chemicals or lag time. A non-contacting sensor design minimizes system maintenance. (read more)

Combining many unique design features into a compact package makes the 4420-OCM an ideal solution to monitoring for oil leaks in your water system. (read more)

The Dry Pump Monitor observes a cross sectional area of the pipe and locks in on the capacitance field of the fluid passing through. A change toward a dry condition or a liquid of a different dielectric will upset the capacitive field and initiate an alarm. (read more)

The 4100-PRO provides continuous profiling of oil/water interface and emulsions in tanks. A profile of the emulsion location and thickness will be obtained using multiple capacitance probes staggered in an oil/water separator. (read more)

The 2880-OWI Oil Water Interface Transmitter provides reliable monitoring of oil/water interface and emulsions. (read more)

FluoroCheck II: Instant PPM Oil-in-Water Results in Under 60 Seconds
Instant ppm oil-in-water detection just got faster! Discover the FluoroCheck II benchtop analyzer: direct solvent-free testing OR EPA/ISO-compliant solvent extraction in one portable unit. ±0.1 ppm accuracy, no cleaning, field-ready. Perfect for wastewater, produced water & environmental c... (read more)

2882-LS Probe Mounted Level Switch (read more)

HydroSense 4420-OCM Continuous Closed-Loop for All Oil Types (read more)

Continuous profiling of oil / water interface and emulsions in tanks (read more)

Industrial wastewater management is important for the environment. Wastewater Oil Sump Alarms help in this process by detecting oil in sumps. These alarms help industries quickly spot and address potential problems, ensuring cleaner water. (read more)

Oil-in-Water Monitors in Municipal Wastewater Applications help cities improve water safety. They detect small amounts of oil in water quickly, allowing cities to act fast when there’s contamination. Using these monitors, cities can provide cleaner water more efficiently. (read more)

The 2852-HCF Floating Oil Spill Alarm provides reliable monitoring of sumps and containments for oil spills. The 2852-HCF uses a hydrocarbon float sensor for separated oil-on-water applications. This floating oil spill alarm monitors the surface of water in sumps, tanks, and lagoons to alert when oil has separated to the water surface. This is typically used to alert of spills or... (read more)

Arjay Engineering 4100-CAP for capacitance/dielectric monitoring of liquids and solids for concentration, moisture content, blending & quality control. (read more)

The HydroSense 4410 offers a high accuracy approach to monitoring low concentrations of free and soluble oils in water. Combining many unique design features into a compact package makes this an ideal solution to monitoring for oil contamination in your water system. (read more)

The Plugged Chute Detector monitors a chute or vessel using a sensor mounted flush with the chute wall. The sensor indicates a normal passage of product. When the product compacts due to a plugged condition, the monitor activates a relay to turn off equipment and alert operators. (read more)

The 4600-RMS is well suited for applications where it is inconvenient or impossible to directly connect to your instruments to view or retrieve data or where constant monitoring is required. Typical industries include manufacturing, power, water, wastewater, oil & gas, parking garages. (read more)

Stay alert with the 2852-HCF oil spill alarm! Reliable hydrocarbon float sensor for sumps, tanks and lagoons. Detect oil-on-water, control pumps, and notify operators swiftly. Act responsibly, choose prompt detection. (read more)

Reliable monitoring of sumps and containments for oil spills

The 2852-HCF protects facilities from accidental pumping of
oils to municipal storm drains or streams. Ideal in utilities,
factories, treatment plants & commercial applications.
Anywhere oil on water should be acknowledged. (read more)

Arjay Products in Hydro-Electric Plants (read more)

The 2852-HCF Floating Oil Spill Alarm alerts you instantly when oil accumulates in sumps, tanks, and containments, helping you prevent costly damage and stay compliant. (read more)

As oil and gas from wash-down, leaks and spills go down the drain, the 2852-OWS uses capacitance technology to monitor the oil water separator so oil doesn’t flow into the sewer system. (read more)

Forklift use in warehouses is of main concern. Carbon Monoxide monitors from Arjay can interlock to ventilation systems for worker safety and energy efficiency. In the docking bays, nitrogen dioxide may also be of concern from truck exhaust.

The GasAlert Max is a typical monitor for these applications. (read more)

From oil leak detection to water quality control, we help you stay compliant and protect your systems every step of the way. (read more)

The FluoroCheck makes fast, accurate measurements easy—perfect for site screening and process monitoring, all in a portable, efficient design. (read more)

The 2852-LPS Area Leak Alarm discovers leaks quickly before contamination spreads. The leak detection system uses high-frequency capacitance to detect the accumulation of liquid leaks in containments, floor spaces and double wall tanks that are normally dry areas. (read more)

Industrial wastewater management is important for the environment. Wastewater Oil Sump Alarms help in this process by detecting oil in sumps. These alarms help industries quickly spot and address potential problems, ensuring cleaner water. (read more)

The 2852-DPM Dry Pump Monitor offers pipe monitoring for dry conditions to protect pumps and equipment. It is a low cost and low maintenance system to determine the presence or absence of product in a pipe or pump. (read more)

With Arjay's HydroSense, experience industry-leading continuous, on-line monitoring of ppm concentrations of oil in water! Choose UV Fluorescence for precise petroleum oil detection, or Light Scatter for a broad range of oils. (read more)

Transform your oil-water separation process with our advanced continuous profiling technology! (read more)

Selecting the right floating oil spill alarm is crucial for timely and efficient spill detection. An ideal alarm not only identifies the presence of oil on water but also ensures that this detection leads to immediate action. (read more)

Typical applications include oil/water interface in pipes and separators, water accumulation in fuel tank bottoms, and product phase changes in process piping streams. (read more)

Introducing the 4600-RMS Remote Monitoring System — your solution for effortless, reliable monitoring of field instruments. Enjoy easy setup, advanced customization and instant alerts. Perfect for various industries, it offers remote access and constant monitoring through WebAdvantage. Stay connected, stay informed. (read more)

The 2880-OWI Oil Water Interface Transmitter provides reliable monitoring of oil/water interface and emulsions. (read more)

The 2852-CAP sensing probe monitors the capacitance field around the probe. (read more)