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257	257	== 2.2 Wiring ==
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	259	+
259	259	[[image:image-20240720172548-2.png||height="348" width="571"]]
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261	261
262	262	== (% style="color:inherit; font-family:inherit" %)2.3 (% style="color:inherit; font-family:inherit; font-size:26px" %)Mechinical Drawing(%%) ==
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264	264	[[image:image-20240714174241-2.png]]
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266	266
267	267	== 2.4 Installation Notice ==
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	271	+
269	269	Do not power on while connect the cables. Double check the wiring before power on.
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271	271	Installation Photo as reference:
272	272
273		-**~ Submerged installation:**
	276	+(% style="color:blue" %)**Submerged installation:**
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275	275	The lead wire of the equipment passes through the waterproof pipe, and the 3/4 thread on the top of the equipment is connected to the 3/4 thread of the waterproof pipe with raw tape. Ensure that the top of the equipment and the equipment wire are not flooded.
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277	277	[[image:image-20240718191348-6.png]]
278	278
279		-**~ Pipeline installation:**
	282	+(% style="color:blue" %)**Pipeline installation:**
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281	281	Connect the equipment to the pipeline through the 3/4 thread.
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283	283	[[image:image-20240718191336-5.png||height="239" width="326"]]
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285		-**Sampling:**
	288	+(% style="color:blue" %)**Sampling:**
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287	287	Take representative water samples according to sampling requirements. If it is inconvenient to take samples, you can also put the electrode into the solution to be tested and read the output data. After a period of time, take out the electrode and clean it.
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289		-**Measure the pH of the water sample:**
	292	+(% style="color:blue" %)**Measure the pH of the water sample:**
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291	291	First rinse the electrode with distilled water, then rinse it with the water sample, then immerse the electrode in the sample, carefully shake the test cup or stir it to accelerate the electrode balance, let it stand, and record the pH value when the reading is stable.
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