Pressure for a Safe Installation

Welcome to All Sensors “Put the Pressure on Us” blog. This blog brings out pressure sensor aspects in a variety of applications inspired by headlines, consumer and industry requirements, market research, government activities, and you.

Pressure for a Safe Installation

When an old heating, ventilation and air conditioning (HVAC) unit is past its prime, it’s time to bring in the experts.  Before the HVAC experts can apply their skills, the unit must be safely moved from the truck that brought it to its ultimate mounting location. This involves several safety protocols including solidly anchoring the truck and its crane, carefully attaching the cable to lift and move the unit, monitoring both the angle of the arm and amount of weight being lifted and, finally, avoiding sway. While several of these aspects, especially the last one, are ensured by the expertise of the operator, a pressure measurement from a load meter tells the operator that the load is withing the safe lifting capabilities of the crane including its hydraulics.

HVAC Unit Replacement Process

Safely lifting and moving the HVAC unit includes monitoring the weight of the load through a pressure measurement. In this case, the UNIC gauge provides the weight in 1000# and hydraulic pressure in psi with a red line at 3,000 psi.

Do you have a pressure sensing question? Let us know and we’ll address it in an upcoming blog.
Email us at [email protected]

Pressure in Airflow for Cooling

Welcome to All Sensors “Put the Pressure on Us” blog. This blog brings out pressure sensor aspects in a variety of applications inspired by headlines, consumer and industry requirements, market research, government activities, and you.

Pressure in Airflow for Cooling

Some medical procedures involve cooling and pressure to safely implement them. For example, the Cryo 6 therapy system delivers air at temperatures down to -30°C air for efficient pain treatment, swelling reduction and muscle relaxation. The system enables cryotherapy with precise placement and at a constant dosage. Other cooling methods, such as contact cooling, cryogen spray or ice packs pose the risk of skin burns. In contrast, the Cryo 6 system decreases the skin temperature quicker and keeps a constant dosage throughout the entire treatment time.

In dermatology procedures, such as a blue or red LED light therapy that involve exposing the skin to infrared light after a chemical has been applied to improve the efficacy of the treatment, the cooling unit makes the 20-minute procedure tolerable by providing cooling air.

Cryo 6 therapy system

Single-touch buttons on the Zimmer Cryo 6 control panel allow easy adjustment of the therapy fan speed and treatment time. Simply tapping the up or down buttons adjusts either setting. In this case, the level 5 setting indicates a relative measurement made by a pressure sensor.

Do you have a pressure sensing question? Let us know and we’ll address it in an upcoming blog.
Email us at in[email protected]

Using Pressure to Find Undersea Treasures

Welcome to All Sensors “Put the Pressure on Us” blog. This blog brings out pressure sensor aspects in a variety of applications inspired by headlines, consumer and industry requirements, market research, government activities, and you.

Using Pressure to Find Undersea Treasures

For treasure hunters and salvagers trying to find historical and valuable items from ships that sank centuries ago, there are two options: sucking up or blowing away the sand — both involve pressure. Vacuuming sand from the bottom of port channels is common for dredging operations that relocate the sand to provide accessibility to ships. One recent project used a vacuum (negative pressure) approach with a two-mile-long, 30-inch-wide pipeline to transport the sand.

In contrast, treasure hunters just need to move the sand out of the way so they can see objects that have settled below layers of silt. They are not concerned with where the sand goes, so positive pressure has proven to be the technique of choice. Using a method invented in the 1960s by legendary salvager Mel Fisher, steel tubes called mailbox blowers, redirect engine wash from a boat’s propellors downward to clear the ocean bottom some 30 feet underwater. For a given size opening, the size of the props and their speed determine the depth and intensity of the jet from the prop wash.

Two 33-inch diameter mailbox blowers clear away sand 30 feet underwater. Source: History Channel.Two 33-inch diameter mailbox blowers clear away sand 30 feet underwater. Source: History Channel.

The amount of pressure developed is not measured, but it must be sufficient to reveal the desired objects.

Salvaged Spanish gold coin from the wreck of the 1715 Treasure Fleet was located by pressure. Source: History Channel Beyond Oak Island.Salvaged Spanish gold coin from the wreck of the 1715 Treasure Fleet was located by pressure.
Source: History Channel Beyond Oak Island.

Do you have a pressure sensing question? Let us know and we’ll address it in an upcoming blog.
Email us at [email protected]

Emergency Pressure for Tires

Welcome to All Sensors “Put the Pressure on Us” blog. This blog brings out pressure sensor aspects in a variety of applications inspired by headlines, consumer and industry requirements, market research, government activities, and you.

Emergency Pressure for Tires

One of the few things worse than finding a flat tire on your car in the morning, is finding a flat tire after you have traveled to your destination. At home you might have a tire pump to inflate the tire and if the leak wasn’t too bad, you could drive to a location where the tire could be changed and repaired. Having a readily available source of pressure stored in your vehicle was not a viable option for most people.

With the Airmoto or one of its portable lightweight air compressor competitors, that situation has changed. Specifically, the AirMoto unit with package dimensions of 7.01 x 3.86 x 2.05 inches, weighs only 1.2 lbs. Capable of providing up to 120 psi to inflate most tires from cars to bicycles to trucks, the lithium battery powered unit can inflate a car tire in about 8 minutes. To allow the user to wait somewhere comfortable while the tire is inflating, the digital pressure gauge (displaying units in psi, bars, kPA or Kg/cm2) is set to the desired value (maximum value of 120 psi) and the pump turns off when that pressure is reached. At a price of $69 (or less for some competitive models), it is now easy and affordable to have emergency pressure available at all times.

AirMoto Portable Air Compressor

Do you have a pressure sensing question? Let us know and we’ll address it in an upcoming blog.
Email us at [email protected]