Milwaukee Instruments Milwaulkee MA957 User's Manual
Contents
1. The MA957 Regulator set up procedure amp gas flow adjustment is as follows If you have a pH controller unplug the solenoid from the controller and Plug your solenoid into a wall socket or power strip note the distinctive click Do not have it plugged into any type of controller or timer to do the following adjustment Turn your CO2 bottle off Go to the regulator and turn the main knob counterclockwise till you feel no pressure Next go to the needle valve underneath the bubble counter and turn it counterclockwise 7 all the way out until it stops Now go back to your CO2 tank and turn the tank to full open At this point even with the tank being at the full open position you should have no bubbles coming through the bubble counter Very slowly turn the big knob on your regulator in until you start seeing some bubbles come out of your regulator bubble counter Do not pay any attention to the right side gauge All you are interested in is the bubble counter You must proceed very slowly when trying to adjust the CO2 regulator Go slow slow slow take your time we want to slowly work the bubble count up Turn the knob one eighth to one quarter turn clockwise and wait about 30 to 45 seconds or longer before making any further adjustments Continue with this process until you get a bubble count that is equal to what you re looking for If necessary use the needle valve at this point to fine adjust the bubble count but use the need2. le valve as a last resort and as a micro adjustment only This will keep gas back pressure to a minimum in the regulator main chamber and solenoid Please Note The right side gauge is not relevant to adjusting your gas flow The bubble counter is your only true and accurate gauge of gas flow Therefore any reference to the right side gauge serves no purpose and is not necessary in the proper setup of the regulator At this point your gas flow is calibrated If you re using a pH controller plug your solenoid back into the pH controller box Milwaukee Instruments 2950 Business Park Drive Rocky Mount North Carolina 27804 Toll Free 877 283 7837 Fax 252 443 1937 sales milwaukeetesters www milwaukeetesters com
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