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Read pressure directly at the source and send data remotely with one device.
With a pressure range common to most compressed air systems, use these transmitters to monitor your system's air pressure.
Remotely track your system's pressure readings from the convenience of a smartphone or tablet. Good for preventative maintenance and route-based monitoring, these battery-powered transmitters use Bluetooth to alert you when equipment requires your attention.
Remotely monitor pressure in general purpose applications such as pumping and compressing systems.
Adhere to safety standards and monitor pressure when working with high concentrations of oxygen.
Choose these transmitters when you need reliable pressure monitoring but not high accuracy.
At least four times as accurate as standard pressure transmitters, these transmitters are ideal for use in laboratories and analytical testing applications.
Fine-tune the pressure range on these transmitters to account for changes in pressure readings over time.
Safely monitor liquid, gas, and steam pressure in hazardous locations with these transmitters. They meet NEC safety standards, so they protect against an explosion where flammable gases and vapors are present.
Monitor and control pressure in portable HVAC systems, hydraulics, and oil and gas equipment. Unlike other pressure transmitters that measure the difference between your system and the atmosphere, these transmitters give measurements relative to zero pressure—regardless of altitude or temperature.
These transmitters automatically compensate for error introduced by vibration as well as temperature fluctuations, so you do not need to program your receiving device to correct for these factors. They convert pressure to an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor pressure or control equipment.
FM approved and CSA certified for use in hazardous locations, these transmitters monitor pressure where combustible fumes may be present.
The diaphragm on these transmitters mounts flush with your system’s connection, leaving no room for thick liquids to clog or harden. They’re often used to monitor pressure in wastewater, paint, and adhesive-dispensing applications.
Monitor your system’s pressure and vacuum from a smartphone or tablet via Bluetooth. These battery-powered transmitters send alerts if equipment requires your attention, so they’re good for preventative maintenance and route-based monitoring.
Specifically made for compressed air and gas systems, these transmitters remotely monitor pressure and vacuum.
Monitor and control vacuum pumps, air compressors, and hydraulics while viewing readings and warnings on the display.
With an accuracy of ±0.25%, use these transmitters in applications that require highly accurate measurement of both pressure and vacuum, such as activating vacuum pumps.
Convert both pressure and vacuum into an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor pressure or control equipment.
These transmitters automatically compensate for error introduced into both pressure and vacuum measurements by vibrations as well as temperature fluctuations, so you do not need to program corrections for these factors into your receiving device. They convert pressure and vacuum to an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor pressure or control equipment.
Used in hazardous locations, these transmitters safely convert pressure and vacuum into an electrical signal to measure liquids, gases, and steam. NEC rated for safety, these transmitters are explosion proof, so they can be used in environments containing flammable gases and vapors.
Check the difference in air pressure between two inputs at the source using the dial indicator or remotely using a receiver.
Get the flexibility of a differential pressure transmitter and a switch in one. These transmitters can work as a traditional transmitter using an analog output but also have electronic switch outputs and IO Link compatibility, making them great for advanced automation applications.
View readings at the source with the dial indicator or remotely using a receiver—these transmitters measure the difference in pressure between two inputs in liquid applications.
At least twice as accurate as standard transmitters, these transmitters sense differential pressure at an accuracy of ±0.25%.
Used with pumps, cooling systems, and other liquid applications, these transmitters remotely measure the difference in pressure between two inputs.
Safe for use in environments where flammable gases and vapors are present, these transmitters measure the difference in pressure between two process lines without needing to program your receiving device to correct for errors. They meet NEC safety standards for protection against an explosion.
Measure the difference in pressure between two process lines without needing to program your receiving device to correct for errors. These transmitters automatically compensate for errors caused by vibration and temperature changes.
Designed for compressed air and gas systems, these transmitters remotely monitor vacuum.
Account for changes in vacuum readings over time by fine-tuning the vacuum range on these transmitters.
At least four times as accurate as standard vacuum transmitters, these transmitters sense vacuum at an accuracy of ±0.25%, making them ideal for use in laboratories and in analytical testing applications.
Convert vacuum into an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor vacuum or control equipment.
A digital display allows for easy reading of measurements.
Gauges come in a variety of colors so you can identify an important spot in your process line.
Read your pressure from a distance with these large-dial gauges.
Measure small pressure changes in ventilation systems, hydraulic applications, and other critical processes.
Keep tabs on liquid levels in pump and tank applications with these gauges—a dual scale displays pressure in feet of H2O and psi.
These are the most commonly used pressure gauges. Use them with pumps, filters, regulators, and in process lines to measure and display pressure.
These gauges fit into square cutouts in your instrument panel.
The small dial on these gauges allows for installation in tight spaces.
The case material and connection threads are stainless steel for protection in corrosive environments, plus the dial is glycerin-filled to reduce needle flutter in high-vibration applications.
Gauges have an accuracy of ± 0.5% to ± 1%. They are suitable for critical processes that require high accuracy, such as hydraulic and laboratory applications.
These gauges have a unique case design that eliminates the air bubble on the dial face, which can distort readings.
These gauges can withstand both extremely cold and extremely hot temperatures.
These gauges have a red needle that indicates the highest pressure reached since the last setting. They have a liquid-filled dial that reduces needle flutter for precise readings in high-vibration applications.
A liquid-filled dial reduces needle flutter for precise readings in high-vibration applications.
These gauges have a unique case design that eliminates the air bubble on the dial face, which can distort readings. They have a liquid-filled dial that reduces needle flutter for precise readings in high-vibration applications.
Unlike other gauges that have multiple moving parts that can shake loose, these have only one internal part. They are the most shock-resistant gauges we offer.
Gauges have an accuracy of ± 1% to ± 1.5%. They are suitable for critical processes that require high accuracy, such as hydraulic and laboratory applications.
Gauges have an accuracy of ± 2%.
Use these gauges to monitor the pressure of compressed gas.
Gauges are UL 393 listed for use with fire-protection service equipment.
Designed for use with boilers, these gauges measure pressure and temperature simultaneously.
Check the pressure on your drinking water system with these gauges—they meet NSF/ANSI Standard 61 for safe use with potable water.
Use in high-pressure applications up to 2,000 psi.
These gauges have a liquid-filled dial that reduces needle flutter in high-vibration applications reaching 2,000 psi.
Use in low-pressure applications up to 160 psi.
Clearly read pressure levels in your drinking water system, even with heavy vibration. The dial face is filled with glycerin, which absorbs shock and keeps the needle steady.
Measure small changes in air pressure with these gauges. They are commonly used to indicate clogged filters and to monitor fans and blowers.
A band of green, yellow, and red provides a clear indication of changes in differential pressure.
Also known as manometers, these gauges come with indicating liquid that moves up and down two columns—the difference in height between them is your pressure.
Use in medium-pressure applications up to 1,500 psi.
Use in high-pressure applications up to 3,000 psi.
Designed for harsh environments prone to vibration, these gauges pair a corrosion-resistant 304 stainless steel case with a glycerin-filled dial that reduces needle flutter.
Often used with chillers and in refrigeration systems, these gauges display the temperature of ammonia relative to the pressure measurement.
A 304 stainless steel case coupled with 316 stainless steel connection threads provide protection from corrosive environments.
A glycerin-filled dial reduces needle flutter for precise readings in high-vibration applications.
These portable gauges have three different dials to display pressure and vacuum measurements on a low, medium, and high scale.
Also known as compound gauges, these measure both pressure and vacuum.
Commonly used to indicate clogged filters, these gauges display the difference between two pressure or vacuum measurements.
Unlike other gauges that measure the difference between your system and the atmosphere, these give measurements relative to zero pressure.
Also known as data loggers, these recorders track and store pressure measurements that you can upload to your computer.
These recorders measure and log pressure on a paper chart.
Gauges have an accuracy of ±0.25%.
With an accuracy of ±0.05%, these have the highest accuracy of all our test gauges.
Test and calibrate transmitters, gauges, and other equipment that measures pressure.
These gauges have a glycerin-filled dial to reduce needle flutter for precise readings in high-vibration applications.
With an accuracy of ±0.25%, these gauges are designed for critical processes that require precision.
All-stainless steel construction makes these gauges suitable for testing and calibrating in corrosive environments.
Use these gauges to test and calibrate transmitters, gauges, and other equipment that measures vacuum.
To check the difference in pressure between two points, these switches have a dial indicator that shows differential pressure in real time.
Tested and verified by UL and C-UL for use where explosive dust or gas are present, these switches have an explosionproof enclosure that meets NEMA 7 and 9 standards for hazardous locations. They are often used to indicate a filter is clogged in a pump or cooling system.
Often used with ovens, dryers, and HVAC systems, these switches detect small differences in air pressure to indicate a filter is clogged or help you maintain a certain air pressure.
Detect the difference in pressure between two points. For instance, these switches can indicate a filter is clogged in a pump or cooling system.
With an explosionproof enclosure that meets NEMA 7 and 9 standards for hazardous locations, these switches were tested and verified by UL and CSA for use where explosive gas or dust may be present. Often used with ovens, dryers, and HVAC systems, they can indicate a filter is clogged or help maintain a certain air pressure.
Troubleshoot and monitor the difference in air pressure between two points—these switches have a dial indicator to show differential pressure in real time.
Use smartphones and tablets to monitor humidity and temperature within your system or facility. Connect these battery-powered transmitters to your smart device via Bluetooth, and receive data to ensure workplace conditions are suitable for processes, inventory, or personnel.
Monitor your system’s temperatures directly from your smart device. These battery-powered transmitters send data to smartphones and tablets via Bluetooth, so you can easily confirm your processes are functioning properly. Good for route-based monitoring and preventative maintenance.
The indicator moves when flow is present, so it’s easy to visually confirm flow from a distance.
Often used in cooling, lubrication, and process systems.
To maintain a clear view of your process media without disrupting flow, twist the tubular window to clear debris and buildup with the internal wipers.
The low-profile body fits in areas with limited clearance.
For visual confirmation of flow from a distance, these sights have a ball indicator that moves when flow is present.
Withstand twice the temperature of standard sights. These are rated for temperatures up to 400° F.
Rated for more than double the pressure of standard flow sights, these can withstand pressures up to 400 psi.
A large tubular window provides an unobstructed view of liquid color, clarity, and movement from multiple angles.
A ball indicator increases the visibility of flow for checking at a distance.
The included mounting ring lets you install these sights in instrument panels.
About half the height of other flow sights for chemicals, these fit in areas with limited clearance.
Built to withstand harsh chemicals.
To prevent contaminating your oxygen line, these flowmeters are specially cleaned and bagged.
Instead of a scale, these flowmeters have a large dial that makes it easy to read the flow rate of your gas from a distance.
Measure the flow rate of gases in applications where pressure fluctuates, such as compressed air systems.
Designed for air and other gases, these flowmeters measure the rate at which they're moving through your pipes.
A case protects these flowmeters from blows and other impact as they measure the flow rate of gas. Install them in instrument panels using the fittings on the back.
Monitor the flow rate of air and other gases from your instrument panel—these flowmeters have fittings on the back for panel mounting.
Instead of a scale calibrated to a specific gas’ flow rate, these flowmeters measure in millimeters and include a conversion chart, so you can check the flow rate of water and multiple gases without any calculations.
No need to disassemble your PVC pipeline—insert these flowmeters into a drilled hole and secure them using the included clamps.
Measure the flow rate of liquids up to 212° F.
Easily install the unthreaded ends of these flowmeters into a PVC piping system.
To avoid metal contaminating liquids, such as deionized water, these flowmeters are made entirely of plastic and rubber.
Monitor the flow rate of liquids and use the integrated switch to turn equipment on and off, or activate an alarm when liquid reaches a set flow rate.
Install these flowmeters in an instrument panel to measure the flow rate of hot water and other liquids reaching up to 212° F.
Install these flowmeters in an instrument panel where they might be exposed to blows and other impact.
A spring piston instead of a float allows these flowmeters to measure flow rate in any mounting orientation.
Check the flow rate of liquids up to 200° F from an easy-to-read digital display instead of a scale or dial.
A large dial instead of a scale makes it easier to read the flow rate from a distance.
Liquids with particles up to 1/8" in diameter won't clog this flowmeter.
A 304 stainless steel case protects these flowmeters from blows that could shatter the glass body.
Often used to pinpoint flow issues, these flowmeters clamp onto pipe, so you can spot-check the flow rate at different points without disassembling your system. They measure by tracking the time it takes for ultrasonic waves to pass through your liquid, so they don’t need to come into contact with your liquid.
Install these flowmeters securely into large pipelines with the flanged ends.
Fittings on the back let you install these flowmeters in instrument panels.
Check the flow rate of liquids in your system.
If the oil in your line is too hot or pressurized for standard flowmeters, use these flowmeters to measure the flow rate.
With a spring piston instead of a float, these flowmeters measure the flow rate of oil in any mounting orientation.
Often used to find worn components or leaks, these flowmeters have a valve, so you can test the flow of oil from pumps and other equipment at different pressures.
Often used in low-flow metering applications for lubricants or antifreeze, these transmitters measure flow rate and send the data to a remote display or programmable logic controller (PLC).
Send flow rate data using these transmitters while also being able to visually confirm liquid is flowing.
Send flow rate and temperature measurements simultaneously to a programmable logic controller (PLC), data logger, or other receiving device.
Send flow rate measurements to monitor and control equipment.
Using ultrasonic waves, these transmitters measure the flow rate of your liquid from outside your pipe.
Also known as magmeters, these transmitters use a magnetic field to measure flow rate and temperature with high accuracy.
Install these transmitters between two flanges in a flanged pipe system to measure flow rate and send the data to a remote display or programmable logic controller (PLC). For easy cleaning and maintenance, you can slide the transmitter out from between the flanges.
Measure and transmit flow rate, pressure, and temperature of industrial gases, such as air, argon, CO2, and nitrogen, flowing through your system.
A digital display makes it easy to check both the total amount of liquid that’s flowed through and the batch total.
The digital display on these totalizers makes it easy to check the total amount of high-temperature liquid—up to 200° F—passing through your system.
Use these totalizers to measure the total amount of liquid up to 200° F flowing through your pipe system.
Measure the total amount of liquid flowing through these totalizers.
Often used in heating, cooking, and power-generating systems, these totalizers measure the total amount of natural gas, propane, and butane that flow through them.
Measure the amount of light oil that flows through these totalizers.
Install this totalizer on your grease gun or valve to measure grease dispensing and reduce waste.
Determine the amount of gasoline, diesel fuel, and kerosene that flows through these totalizers.
Meeting NSF/ANSI 61, these totalizers measure the cumulative amount of drinking water flowing through them.
Track batches and the total amount of gasoline, diesel fuel, and kerosene passing through your system.
Often used in hard-to-access areas, these totalizers let you monitor the total amount of drinking water flowing through them up to 250 feet away.
Flanged ends let you securely integrate these totalizers into large drinking water pipelines to measure the cumulative amount of water flowing through them.
Calibrate the flow rate of metering pumps.
Use these flowmeter/totalizers to measure both the flow rate and total flow volume of oil, gasoline, diesel fuel, and kerosene.
With one meter, these flowmeter/totalizers measure the flow rate and total flow volume of high-temperature liquid up to 200° F.
The unthreaded ends of these flowmeter/totalizers install into a PVC piping system, so you can measure the flow rate and volume of liquid passing through your system.
Using the flanged ends, securely install these flowmeter/totalizers in large, high-flow pipelines to measure the flow rate and total volume of liquid flowing through.
Determine the flow rate and total volume of liquid flowing through your system with the same meter.
Often used in hard-to-access areas, these flowmeter/totalizers have a display that can be placed up to 25 feet from the sensor. They connect to unthreaded PVC pipe.
With a thick glass window fused to a metal body, these sights resist cracking at high pressures.
Continuously monitor oil quality through the clear plastic reservoir and use the attached drain valve to remove water accumulation.
Easily view liquid movement and level changes from a distance—these sights have an indicator ball inside the 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.
These sights have a glass window.
Machined from one piece of stain- and impact-resistant plastic.
View tank contents from multiple angles through the plastic domed window.
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.
Easy to set up and use, these transmitters measure liquid levels using a standard float gauge.
Using high-frequency soundwaves, these transmitters measure the levels of corrosive, dirty, or sticky liquids without coming into contact with them.
Install these gauges through the top of your tank to monitor diesel, fuel oil, or gasoline level.
Mount these gauges on the flat end of a horizontal, cylindrical tank to monitor diesel fuel, fuel oil, or gasoline level.
With a stainless steel float and float rod, these gauges resist corroding from chemicals.
For use with water, hydraulic fluid, and diesel, install these gauges through the top of your tank.
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.
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.
Combine a pair of valves with a gauge glass and four guard rods to build a complete level indicator.
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.
Check both the temperature and the hydraulic fluid or oil level in a pressurized system.
Simultaneously monitor the hydraulic fluid or oil level and temperature in gear boxes, crank cases, and other reservoirs.
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.
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.
Monitor hydraulic fluid or oil level in gear boxes, crank cases, and other reservoirs.
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.
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.
Designed for use in areas where flammable substances are present, these switches are CSA certified for hazardous locations.
Install these switches into a threaded connection in your tank wall from outside the tank.
Mount these switches from outside the tank through a threaded connection at the top or bottom of your tank.
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.
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.
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.
Short probes are built into the tip of these switches.
These switches are CSA certified for hazardous locations.
Cut the probes on these switches to fit the size of your tank.
Install these switches through a tank wall.
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.
Mount these switches into a threaded connection at the top or bottom of your tank.
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.
Easy to install, these flow switches come already set to a specific set point and don’t require you to disassemble your pipeline.
Safely activate and deactivate equipment in environments with flammable gases and combustible dust when your flow rate reaches a set point. These switches save you from disassembling your pipeline because you insert them into pipe tees or pipe outlets instead of mounting them inline.
When these switches reach a set flow rate, they send digital signals to your programmable logic controller (PLC) to activate automated controls or alarms.
Avoid complicated inline installation—these flow switches insert into a tee or pipe outlet, so you don’t need to disassemble your pipeline.
Safe to use where flammable gases and combustible dust may be present, these switches activate or deactivate when your flow reaches a factory-set level. All are UL listed for hazardous environments.
Activate or deactivate equipment when your flow rate reaches a set point.
Measure the flow rate of oil at pressures up to 3,600 psi to activate or deactivate equipment.
Factory set to activate equipment when your drinking water system reaches a fixed level, these flow switches are easier to install than adjustable flow switches.
Good for compressed-air systems and other compressed gases that reach up to 3,600 psi, these switches measure the flow rate to activate or deactivate equipment when they reach a set point.
Accurate even in applications where pressure fluctuates regularly, these flow switches split flow into two paths and measure their difference in pressure drop to calculate the flow rate of liquid.
Quicker to install than adjustable flow switches in high-pressure lines, these switches come factory-set to activate or deactivate equipment at a specific level. They compensate for the viscosity and density changes of liquid.
For monitoring flow at a glance, these switches have a plastic window with a rotor indicator that spins when there’s flow.
Rated for pressures up to 3,600 psi, these switches measure the flow rate of liquids to activate or deactivate equipment when your flow rate reaches a set point.
UL listed for use where flammable gases or combustible dusts may be present, these flow switches activate or deactivate equipment when your flow rate reaches a set point.
Since they come factory set to a specific set point, these switches are easier to install than adjustable flow switches.