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Empty and fill your tank with a single device—this dual-level switch includes two float switches that actuate at different levels. Mount through a threaded connection at the top of your tank.
Mount these switches from outside the tank through a threaded connection at the top or bottom of your tank.
Install these switches into an unthreaded hole at the top or bottom of your tank and secure with a nut from inside the tank.
Install these switches into a threaded connection in your tank wall from outside the tank.
Mount these switches through an unthreaded hole in your tank wall and secure with a nut from outside the tank.
Hang these free-floating switches in your tank for liquid-level monitoring that doesn't require installation through a tank wall.
Detect water level with infrared light to avoid false switch activation caused by vibration in your tank.
For use in locations with flammable gases and combustible dust, this switch is UL listed and CSA certified for Class I, Divisions 1 and 2, Groups C and D; and Class II, Divisions 1 and 2, Groups E, F, and G.
This switch mounts to the outside of your tank and detects chemical level through plastic tank walls by measuring the capacitance between the switch and tank contents; it cannot be used with metal tanks.
Use high-frequency sound waves to detect chemical level.
Detect chemical level with infrared light to avoid false switch activation caused by vibration in your tank.
Use the included bracket to mount these switches to the inside of your tank.
Designed for use in areas where flammable substances are present, these switches are CSA certified for hazardous locations.
Cut the probes on these switches to fit the size of your tank.
Short probes are built into the tip of these switches.
Measure the level of conductive liquids without drilling a hole in your tank—these switches mount to the outside of the tank and track the capacitance between them and the tank’s contents.
Empty and fill your tank with a single device—these dual-level switches include two float switches that actuate at different levels. Mount through a threaded connection at the top of your tank.
Mount these switches from outside the tank through a threaded connection.
For visual monitoring and easy access, these switches are housed in a clear acrylic reservoir that mounts to the outside of your tank.
Mount this switch through the top of your tank.
Install these switches through a tank wall.
These switches are CSA certified for hazardous locations.
Mount these switches into a threaded connection at the top or bottom of your tank.
Mount these switches through an unthreaded hole in your tank wall and secure with a nut from inside the tank.
Install one of these relays to actuate equipment that has a higher current rating than your switch.
A polypropylene float makes these switches buoyant even in viscous liquids.
Detect when oil rises on water, foam forms on beer, and tanks empty, triggering pumps and valves in food and sanitary lines. These switches are 3-A and European Hygienic Engineering and Design Group (EHEDG) certified since they’re easy to keep clean.
Use these float valves with water.
With a durable bronze body, these float valves can be used with water and hydraulic fluid.
Control water levels in spaces where a rod and lever won’t fit; these float valves have an internal float and connect to your pipe.
Able to withstand higher temperatures than PVC float valves, these valves have a temperature range of 35° to 175° F.
These float valves have a temperature range of 35° to 110° F.
Smaller than other float valves, these are sized for containers with limited space.
Commonly used in ice-making machines, these valves have floats that rest inside a clear plastic reservoir.
Made of stainless steel, these float valves have excellent corrosion resistance even when exposed to chemicals.
Automatically remove condensate from compressed air or inert gas lines—these float valves have a float-operated drain control.
Combine these float valve bodies with floats and rods (not included) to create float valves that meet exact specifications.
Bend these flexible indicators around the contours of your hydraulic fluid, oil, or water tank. Because their plastic resists shattering, they don’t need a protective shield like other liquid-level indicators, so you can check your tank’s level from any angle.
The nylon body and window make these indicators shatter resistant.
Monitor hydraulic fluid or oil level in pressurized applications, such as hydraulic systems where overflow is a concern.
Monitor hydraulic fluid or oil level in gear boxes, crank cases, and other reservoirs.
Made with clear, shatter-resistant plastic, these indicators don't require a shield to protect them like other oil-level indicators, so you can check your hydraulic fluid or oil level from any angle.
Check the level of liquids containing chemicals such as alcohol-based solvents, boric acid, and sodium bicarbonate.
Shut-off valves stop flow so you can clean and replace gauge glass without removing these indicators from your equipment.
Combine a pair of valves with a gauge glass and four guard rods to build a complete level indicator.
Replace existing gauge glass or combine with valves and guard rods to build your own level indicator.
Use this gauge glass with heavy duty level indicators.
Simultaneously monitor the hydraulic fluid or oil level and temperature in gear boxes, crank cases, and other reservoirs.
Check both the temperature and the hydraulic fluid or oil level in a pressurized system.
Seal the glass on your level indicator.
Use these gaskets with heavy duty level indicators to seal the glass.
Avoid overfilling—these indicators pop up when your tank is almost full.
Monitor liquid level in applications that have vibration, high pressures, and high temperatures. These indicators are also known as armored level gauges.
Install these gauges through the top of your tank to monitor diesel, fuel oil, or gasoline level.
For use with water, hydraulic fluid, and diesel, install these gauges through the top of your tank.
With a stainless steel float and float rod, these gauges resist corroding from chemicals.
Mount these gauges on the flat end of a horizontal, cylindrical tank to monitor diesel fuel, fuel oil, or gasoline level.
Using inches or centimeters instead of common levels, such as full or empty, these gauges are more precise than standard gauges when measuring liquid levels. They work with water, hydraulic fluid, or diesel.
Measure water, hydraulic fluid, or diesel fuel level in your drum.
These sights have a glass window.
The window and body are made from a single piece of plastic, making these sights more shatter resistant than sights with a glass window.
Easily view liquid movement and level changes from a distance—these sights have an indicator ball inside the glass window.
Continuously monitor oil quality through the clear plastic reservoir and use the attached drain valve to remove water accumulation.
Machined from one piece of stain- and impact-resistant plastic.
View tank contents from multiple angles through the plastic domed window.
With a thick glass window fused to a metal body, these sights resist cracking at high pressures.
Often used in kilns and other heating equipment, these sights have a quartz window that can withstand temperatures up to 1600° F. They're also known as peep sights.
Weld these sights to single-wall tanks.
Mount these sights from the inside of your tank and secure with a lock nut.
Press these sights into a hole in your tank wall; no additional mounting nuts are needed. They mount from the outside.
Monitor food, brewery, chemical, pharmaceutical, and biotech processing lines with these sights that attach to quick-clamp fittings for fast installation and easy removal for cleaning.
Designed with quick-clamp (KF) connections, these sights connect to a port on a high-vacuum chamber, so you can monitor what's happening inside.
Check the contents of your tank from multiple angles with the domed window. To mount these sights, fasten their extend flange to tank walls.
An extended flange makes these sights easy to bolt onto tank walls.
Add a window to your high-vacuum system. With a pane of glass sealed inside a high-vacuum CF flange, these sights bolt onto vacuum chambers, tee fittings, and manifolds.
Easy to set up and use, these transmitters measure liquid levels using a standard float gauge.
Best for measuring liquid levels in applications where traditional mounting is difficult, these transmitters sit at the bottom of your tank.
FM and C-FM approved, these transmitters safely measure liquid levels where explosive gas or dust may be present. Set them at the bottom of your tank in applications that make traditional mounting difficult.
Using high-frequency soundwaves, these transmitters measure the levels of corrosive, dirty, or sticky liquids without coming into contact with them.
Measure the distance to objects and the level of liquids and materials despite size, shape, or surface finish, and send that information to other parts of your system.
If the primary float fails, the backup float kicks in and an alarm sounds to indicate float malfunction.
Hang these switches in a sump pit to detect rising water levels.
Activate your pump in dirty water that contains sludge and sewage.
An alarm and a red light alert you when water levels rise too high.
Built to resist corrosion and last in harsh environments, these vertical rulers are iron with a porcelain-enamel finish. Mount them to walls and tanks.
Permanently mount these vertical rulers to walls and tanks.
Connect continuous segments to create a ruler up to 10 ft. long.
Measure volume in gallons or liters without calculations.
Fold these vertical rulers for convenient storage and transport.
Use this color-changing paste to determine water level in a tank.
Attach a plumb bob (sold separately) to the rope’s hook and lower it into your tank to take a measurement.
Paste changes color when it’s submerged to indicate the gasoline level in a tank.
Also known as oil-gauging tapes, use these tape measures to check the level of oil and other fluids in deep, large containers such as tanks and vats.
Reach deep into small holes and slots for precise depth measurements.
Take precise depth measurements in small holes and slots.
Connectable extension rods allow you to measure depths.
These gauges come with a calibration certificate traceable to NIST that states they've passed a test for accuracy.
All gauges have zero-position memory, also known as absolute (ABS) positioning, which retains the measuring position when the gauge is turned off.
Measure depth in dusty or wet environments--these gauges are rated IP67 for protection from dust and temporary water submersion.
Check measurements at a glance.
When water contacts the sensor, it triggers a buzzer to alert personnel to a leak or overflow hazard. Frequently used to monitor sinks, pipe lines, tubs, and sump pumps.
Keep an eye on leaks, overflow, and temperature changes near your equipment, even when you’re offsite.
One person is all you need to determine level around corners and over long distances.
Know at a glance if your propane gas supply is running low.
Detect objects and liquid or material levels to set off actions in your system—regardless of size, shape, or surface finish.
Ensure tires are fit for use. Gauges measure tread depth up to 1".