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07-08-2005, 06:43 PM | #11 |
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The PH and ORP probes in the tank.
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07-08-2005, 06:49 PM | #12 | |
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ATTN TO ALL USERS OF ORP/PH CONTROLLER, I have received numerous calls from reefers regarding the ORP readings, ie very low value of 120 - 160 when they initially start the unit. Please note that the probe requires some time to stabilize , as such I would suggest you guyzs to do as follows; 1) Let the probe be immersed in the water for a few days and leave the unit on , observe the value after a few days. ( Pls update me via pm , thks.) 2) In the meantime , do not operate your ozonizer as yet as it will be operating based on a inaccurate ORP value , due to the probe stabilizing in. Please do not hesistate to contact me shld u have further enquiries. Thank you. Also , I believe that there is nothing wrong with the units like some have put it, to confirm this , I tested with a newly bought ORP probe tis afternoon and tested a seasoned Milwaukee ORP probe 1) Broadly James Coporation USA ORP Electrode = Immediate reading = 103 mV 2) Seasoned Milwaukee ORP Electrode = 399 - 400mV 3) Tested with my 2 days China ORP electrode = 334mV so moral of story is u muz stabilize Electrode first. |
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07-08-2005, 06:50 PM | #13 | |
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07-08-2005, 06:54 PM | #14 | |
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Regards |
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07-08-2005, 07:27 PM | #15 |
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Like that I think I will connect up the Ozone generator few days later.
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07-08-2005, 08:36 PM | #16 | |
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07-08-2005, 08:46 PM | #17 |
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Should the probe be in the sump or main tank?
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07-08-2005, 10:51 PM | #18 |
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Hi guys,
I was about to doing a review and found that Sherman has done his.. so, I should hijacck your thread, sherman (don mind hor.) Okay.. The setup and installation procedure have been covered by Sherman. Here are some of the statistics: I have conduct a test with both Milwaukee ORP and PH-203 ORP controller Here are the finding: after 3 days into water Milwaukee/PH-203 391 / 391 with Milwaukee's probe 228 / 228 with PH-203's probe So, what is this figures tell?? Well, the main unit(body) is acurrately reflect the reading correctly ...cheers!!! But the Redox from PH-203(probe) is kind of slow in picking up the reading correct....(when I start 3-days ago, my reading was 134). after three day is 222-229. So, my recommendation to all guys who have set their ORP to 350 or 400 using the original PH-203 probe to reset your setting to 225 (which is around 380 in Milwaukee's probe). until your probe is settle down. PS: this is also a good test to simulate a "auto-stop" when it hit the pre-define value. |
07-08-2005, 11:12 PM | #19 |
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the probe is already calibrated....don't have to recal again for me....i've checked against my PH pen and a 7.0 PH fliud....
not using ozone....but reading is 320..... |
07-08-2005, 11:58 PM | #20 | |
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