The Story of Thermocouples and Hastings
In 1821, the German physicist Seebeck joined two types of metals A and B,
If the temperature at both junctions is different, it is proportional to the temperature difference.
It was discovered that thermoelectricity is generated.
If one contact point is taken as a reference point and the other point of contact is placed on the area to be measured,
Since the temperature difference can be known by the magnitude of the electromotive force, it is compared with the temperature of the reference point.
to measure the temperature.
This is called a thermocouple, also called a thermocouple.
And the company that has grown with the sensor using this thermocouple
That's Teledyne Hastings.
Teledyne Hastings was founded in 1944 in Hampton, Virginia.
It starts with a company founded by Charles & Mary Hastings.
In 1914 Charles Hastings was a kid who loved fixing and assembling radios.
Not losing interest, he studies electrical engineering at Johns Hopkins University.
And he is now the predecessor of the National Aeronautics and Space Administration (NASA).
It is affiliated with the Aviation Advisory Board (NACA).
Founded in the 1940s, Hastings was a NACA project.
Participating in a project to measure the speed of an aircraft , using a thermocouple-type sensor,
Developed to calculate the temperature difference in the atmosphere and measure the speed.
However, this product worked well at low speeds,
Aircraft speed, which NACA is primarily interested in measuring;
That said, it wasn't suitable for speeds above 250 mph.
Since then, Hastings has applied wireless technology to use radio waves between aircraft and ground bases.
We developed a method to measure the phase change.
The system worked well in the field, but
NACA at that time decided to introduce a new radar system.
Hastings was disappointed with NACA's decision, but the idea was
I think it will be commercially successful.
Requested commercial license from NACA.
Hastings, named Raydist, has a way to accurately measure distance.
He developed a radar system and in 1 945 he developed his own
We launched an anemometer incorporating the thermocouple idea.
He called it 'Air Meter', and it was in a black box.
They made products by painting them in their kitchens.
At first, the car runs a certain distance at a fixed speed.
The product was calibrated based on the measured time,
I later used the vacuum cleaner as a wind tunnel and used it as a reference.
In 1946, Hastings left NACA to focus on business.
In the early days, Raydist accounted for most of the sales,
Afterwards, a product that measures vacuum using the thermocouple method was devised.
Among them, the vacuum gauge is the OEM method.
Such as Stokes, Vactronic, Ulteck, Sergeant-Welch, CHA, Termo Electron, etc.
Started to deliver to companies.
In 1958, the Atomic Energy Commission
In "Nuclear Energy and Weapons Program"
Officially started using Hastings vacuum gauges.
In 1960 Hastings introduced a miniature vacuum gauge.
This product has been widely used by many users.
In 1961, the gas flowing through the capillary tube was measured instead of the existing air meter method .
The output is output linearly, and the ratio of heat capacity is applied
It can be used for a variety of gases.
In 1968, Hastigns products were used to measure the vacuum level of the lunar rock box.
The crew of Apollo 11, the first human to land on the moon, arrived on the moon.
You will be able to extract the rocks needed for research.
After arriving on Earth in a sealed state in the vacuum of the moon by packing the rocks in a box,
When measuring the vacuum inside the box, Teledyne Hastings
A vacuum sensor and gauge were used.
In 1968, the Teledyne group acquired Hastings.
We are supplying vacuum and flow related equipment worldwide.
Source - http://www.teledyne-hi.com/company-information/company-history