The pressure needs to (40) grams of mercury if the internal diameter of the tube (2) mm If diameter (3) mm setting calls (60) g and now open gate device and make it Stands vertically we'll see the tube inside a ruler scale ( 0) to (300) is a measure Pressure approved.
And now we begin examining the device:
1 - open the valve in the tank Move it to the left side.
2 - After that mercury out of the tank and must depend on (0) due to the absence of any pressure.
3 - grasp the rotator cuff (the rubber envelope with a cloth bag) in our hands Left grasp Blower our hands right .
4 - close the front LED blower Ptdoarh Clockwise by the thumb and index finger of the right hand
5 - start pressing Blower We note the rise of a column of mercury in the tube and continue until it reaches the (300) without There will be any Bubble
6 - let Blower and here must remain mercury index number (300) Also .
This indicates that the device is working.
Q 1 What if the level falls on its Himself?
C / There are several reasons
1 - a hole in the bag rubber band Nbdelh.
2 - Holiday In front of the blower valve due to the presence of dirt.
Solution / LED tend Blower then Conducting the following there rubber Zabaneh behind LED remove them by forceps and Nnzvha from dust Or rubber waste and then be proven so well that he can not pressure the reflux paid within the Blower .
3 - Do not install Khartoum well in the reservoir or slot slot LED front
Q 2 What if broken pipe as a result of falling or colliding?
C / here draw attention tank valve should be closed upon completion of Measurement and his tendency to right and then moving the lever to the right also to limited Mercury inside the tank to prevent the spread during emergency situations So that mercury is a Toxic vapor until .
Back QUESTION: open coil at the top of the tube Ptdoarh reverse clockwise a broken pipe
And put a new one but the same dimensions and measurements of the top and introduce it in place on the Circular base
Then close the reservoir cap or coil well and gently .
Q 3 What if mercury leak from the bottom then?
C / Possible rubber Allowacher may well the heart is not judged or not sit the tube in place Well .
Q 4 What if there was a decrease in the amount of mercury how we supplement?
C / Open the plug at the top of the tube and by medical syringe pull estimator of mercury and Nqtr In the form of A few batches and watching his arrival down and tend the device gently to the right A little bit in order to enter into Alkhzanthm him back to the place it until it reaches the point (0) and then close Sealer.
Q 5 if the tube where dirt and difficult to read?
C / of course oxidized mercury as a result of air passing interaction and produces Mercury oxide a Gahoaúah substance black and take the tube out of his place Then put a small piece of cotton at the beginning One of the parties and we pay by Wire longer than the tube and Out him of the other party and put it in place.
Q 6 What do I do if I found air bubbles out during measurement of mercury in the tube?
C / This indicates that there is a lack of mercury.
Initially investigate the cause of the loss of mercury Maybe there Decreasing:
1 - reservoir replaces or works
2 - the bottom of the glass tube There is a rubber ring to prevent leakage replaced
3 - There is at the top of the glass tube filter Allows the passage of air and allows the passage of mercury replaces Moreover also there loop Rubber sits above the filter may be caused by exuding replace one another in the case of the Damage in the case of disclosure of the reason we add what has been decreasing mercury
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