When the pressure is applied, Bourdon tube will straighten and pulling the link that is connected to it.
The gear will turn anti-clockwise and move the pointer needle to indicate the reading of the 1 2″ dial type is the commonly used with 1 8″ male pipe thread to be connected to HVAC system..
The colour code of the low-side hoses used is BLUE and the high side is RED.
Compound Gauges are used to measure the pressure and vacuum with typical pressure range from 0 to 240psi and vacuum range from 0 to 30″ Hg...
Thermometers are used to measure the temperature of the liquid line, suction line, of interest in the refrigerating system.
The other type is infra-red similar to the ones that the doctors use in the clinic except that the range is broader.
This is instrument that can be used to measure the current of conductor without having to disconnect the circuit and connect in series with it.
This device follows the principle of transformer where the magnetic field that is induced in the conductor is used to determine the current that is flowing in the conductor..
Alora wrote as writer for dozens of home improvement clients and informed homeowners about the industry as writer for EcoWatch.
alumna of University of Pennsylvania, Roxanne is now Oklahoma, DIY enthusiast, and the proud parent of playful pug...
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