American Marine Pinpoint pH Controller User Manual Download | Manualshive

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American Marine Inc.

54 Danbury Road Suite 172

Ridgefield, CT 06877 U.S.A.

Phone/FAX 914/763-5367

www.americanmarineusa.com

PINPOINT

®

pH Controller

Users Manual

American Marine Inc.

54 Danbury Road Suite 172

Ridgefield, CT 06877 U.S.A.

FAX/Phone 914/763-5367

www.americanmarineusa.com

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Summary of Contents for Pinpoint pH Controller

Page 1: ...ite 172 Ridgefield CT 06877 U S A Phone FAX 914 763 5367 www americanmarineusa com PINPOINT pH Controller Users Manual American Marine Inc 54 Danbury Road Suite 172 Ridgefield CT 06877 U S A FAX Phone 914 763 5367 www americanmarineusa com ...

Page 2: ...robe is not immersed in the system it will no longer be reading the correct pH either acid or base might be added in a completely uncontrolled fashion If solenoid valve sticks open the controller will not be able to shut it off So you must be very certain that the pH probe will not become uncovered and your needle valve settings should be chosen so that if the control solenoid valve sticks open yo...

Page 3: ...fluid 3M KCL This is commonly known as storage fluid There is a suction cup attached to the electrode which may be used to secure it or a user devised scheme of holding the electrode may be employed IV CALIBRATING THE pH METER SUBSYSTEM This is a two point calibration instrument therefore TWO different calibrations must always be used A pH 7 00 fluid must be used to set the CALIB and a pH 10 00 or...

Page 4: ...Complacency usually sets in when you feel that Everything is running fine VI ADJUSTING THE CONTROLLER SETPOINTS The PINPOINT pH Controller is capable of controlling pH within the range of pH 4 through pH 10 After the selection of the pH setpoint you will find that the controller can create a span around this setpoint both above and below from about 0 1 pH unit to 1 0 pH unit Two adjustment screws ...

Page 5: ...e dependent on the H ion concentration of the solution in contact with the glass bulb Because this current is very small the signal must be handled very carefully and the electronics in this monitor have been specially designed to handle very weak voltage measure it accurately translate it from a voltage to pH units display that quantity and pass it to the controller subsystem The voltage output f...

Page 6: ...hin 48 hours Overnight delivery available American Marine Inc 54 Danbury Road Suite 172 Ridgefield CT 06877 USA FAX Phone 914 763 5367 www americanmarineusa com PINPOINT pH Controller This example is for a CO2 dosing system When CO2 is added to water it will lower the pH of the water You must first select an acceptable range of pH like 6 6 to 6 4 At any pH value over 6 6 Outlet 1 will be energized...

Page 7: ... put the HI setting to 6 60 and the LO setting is 6 20 therefore the Center value is 6 40 PINPOINT pH Controller Has control ability in both directions In our example the setpoints are as follows HI 6 60 Center Value 6 40 LO 6 20 The controller is set up to control CO2 There is a solenoid attached to Outlet 1 in the back of the controller When the pH of the water is above 6 60 the Outlet 1 will en...

Page 8: ...he range of 6 6 6 8 or lower it will readily dissolve aragonite coral chips housed inside the calcium reactor This enriched calcium seawater also called effluent should be sufficiently aerated to drive off the CO2 and return the pH to the normal range while still carrying the additional calcium in solution before it is re introduced back into the aquarium You will be controlling the pH of the flui...

Page 9: ...Consider the following setup into a marine aquarium sump ...

Page 10: ...tivated valve that when energized by the outlet on the back of the PINPOINT pH Controller will allow CO2 gas to exit the CO2 bottle to be released in the aragonite of the Calcium Reactor This CO2 gas will quickly lower the pH of the seawater inside the reactor A bubble counter if available will visually indicate the volume of CO2 exiting the bottle This gas volume can be adjusted via the needle va...

Page 11: ...aragonite Increased CO2 flow to the reactor decrease or increase the water flow through the reactor install an aerating powerhead in the sump to drive out the CO2 gas and return the effluent to normal seawater pH levels before returning to the aquarium Discussion Some hobbyist want to place the pH electrode directly into the aquarium water Their objective is to use the pH controller as a safety de...

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