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Photohelic is a trademarked name for a type of pressure switch and pressure gauge combination device manufactured by Dwyer Instruments. It combines the functions of measuring and controlling pressure in one unit, with the ability to set high and low pressure setpoints that trigger electrical switches for control purposes.
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What does the word photohelic mean?
"Photohelic" typically refers to a type of pressure switch or gauge that combines both pressure measurement and control functions with the option for visual monitoring or recording through photography. It is commonly used in industrial applications to measure and control air pressure in ventilation systems.
Difference between photohelic and magnahelic gauge?
A photohelic gauge measures and displays pressure differentials and can also control devices based on those readings. A magnahelic gauge, on the other hand, measures positive, negative, and differential pressures but does not have control capabilities.
Difference between photohelic and magnahelic guage?
PHOTOHELIC® Pressure ControlPHOTOHELIC® models combine the MAGNEHELIC®gauge with a precise pressure switch that lets you control low and high gas pressures. Knob controls adjust dual set points, which allow for variable deadband control. These set points contain photocells that actuate DPDT relays when room pressures reach a preset upper or lower limit, and they can be set up to control corrective damper action. As the room pressure changes in response to damper motion, and the indicator returns to the null band, damper motion is halted.
What does the word struck mean?
"Struck" is the past tense of the verb "strike," which can mean to hit, collide with, or make contact with forcefully. It can also mean to be affected by a particular situation or emotion.
What is the significance of Mean square distance?
Mean square distance is a statistical measure that provides information about the dispersion of data points from the mean. It is commonly used in various fields such as physics, engineering, and finance to quantify the variability of a dataset. A smaller mean square distance indicates that data points are closer to the mean, while a larger mean square distance suggests more variability in the data.
What is a photohelic?
Means you are afraid of having your picture taken.
What does the word photohelic mean?
"Photohelic" typically refers to a type of pressure switch or gauge that combines both pressure measurement and control functions with the option for visual monitoring or recording through photography. It is commonly used in industrial applications to measure and control air pressure in ventilation systems.
Difference between photohelic and magnahelic gauge?
A photohelic gauge measures and displays pressure differentials and can also control devices based on those readings. A magnahelic gauge, on the other hand, measures positive, negative, and differential pressures but does not have control capabilities.
Difference between photohelic and magnahelic guage?
PHOTOHELIC® Pressure ControlPHOTOHELIC® models combine the MAGNEHELIC®gauge with a precise pressure switch that lets you control low and high gas pressures. Knob controls adjust dual set points, which allow for variable deadband control. These set points contain photocells that actuate DPDT relays when room pressures reach a preset upper or lower limit, and they can be set up to control corrective damper action. As the room pressure changes in response to damper motion, and the indicator returns to the null band, damper motion is halted.
What does (.)(.) mean?
you mean what you mean
What does descriptor mean?
It mean what you don't what does it mean.
What does mean mean in statistics?
Mean is the average.
What does GRI mean?
What does GRI mean? What does GRI mean?
What do the hardens mean mean?
The haudensaunee mean irguios
Do you say 'what does it mean' or 'what is it mean'?
The correct usage is "what DOES it mean"
Who was king Henry and what did he do?
he was a mean person who lived with mean people in a mean castle on a mean hill in a mean country in a mean continent in a mean world in a mean solar system in a mean galaxy in a mean universe in a mean dimension
What does what do you mean mean?
as you do
