Changes for page Water Quality Sensors

Last modified by Karry Zhuang on 2025/02/18 15:43
<
From version < 45.3 >
edited by Xiaoling
on 2024/08/06 10:38
To version < 43.1 >
edited by Karry Zhuang
on 2024/07/20 17:26
>
Change comment: Uploaded new attachment "image-20240720172632-4.png", version {1}

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Author
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1 -XWiki.Xiaoling
1 +XWiki.karry
Content
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3 3  {{toc/}}
4 4  
5 5  
6 -
7 -
8 8  = 1. DR-ECK Water EC Probe =
9 9  
10 10  == 1.1 Specification: ==
11 11  
12 -
13 13  * **Power Input**: DC7~~30
14 14  * **Power Consumption** : < 0.5W
15 15  * **Interface**: RS485. 9600 Baud Rate
... ... @@ -24,11 +24,8 @@
24 24  * **IP Rated**: IP68
25 25  * **Max Pressure**: 0.6MPa
26 26  
27 -
28 -
29 29  == 1.2 Application for Different Range ==
30 30  
31 -
32 32  [[image:image-20240714173018-1.png]]
33 33  
34 34  
... ... @@ -35,12 +35,8 @@
35 35  == 1.3 Wiring ==
36 36  
37 37  
38 -[[image:image-20240720172533-1.png||height="347" width="569"]]
39 -
40 -
41 41  == 1.4 Mechinical Drawing ==
42 42  
43 -
44 44  [[image:image-20240714174241-2.png]]
45 45  
46 46  
... ... @@ -47,19 +47,19 @@
47 47  == 1.5 Installation ==
48 48  
49 49  
50 -**Electrode installation form:**
40 +**Electrode installation form**
51 51  
52 -A: Side wall installation
42 +A:Side wall installation
53 53  
54 -B: Top flange installation
44 +B:Top flange installation
55 55  
56 -C: Pipeline bend installation
46 +C:Pipeline bend installation
57 57  
58 -D: Pipeline bend installation
48 +D:Pipeline bend installation
59 59  
60 -E: Flow-through installation
50 +E:Flow-through installation
61 61  
62 -F: Submerged installation
52 +F:Submerged installation
63 63  
64 64  [[image:image-20240718190121-1.png||height="350" width="520"]]
65 65  
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71 71  
72 72  [[image:image-20240718190204-2.png||height="262" width="487"]]
73 73  
74 -**Error cause:** The electrode joint is too long, the extension part is too short, the sensor is easy to form a dead cavity, resulting in measurement error.
64 +Error cause: The electrode joint is too long, the extension part is too short, the sensor is easy to form a dead cavity, resulting in measurement error.
75 75  
76 76  [[image:image-20240718190221-3.png||height="292" width="500"]]
77 77  
78 -**Error cause: **Measurement error or instability may occur due to water flow not being able to fill the pipe or air accumulation at high altitudes.
68 +Error cause: Measurement error or instability may occur due to water flow not being able to fill the pipe or air accumulation at high altitudes.
79 79  
80 80  B. Correct installation method
81 81  
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90 90  * Cleaning of conductivity electrodes: Organic stains on the electrode can be cleaned with warm water containing detergent, or with alcohol. Calcium and magnesium precipitates are best cleaned with 10% citric acid. The electrode plate or pole can only be cleaned by chemical methods or by shaking in water. Wiping the electrode plate will damage the coating (platinum black) on the electrode surface.
91 91  * The equipment should be calibrated before each use. It is recommended to calibrate it every 3 months for long-term use. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.).
92 92  
93 -
94 -
95 95  == 1.7 RS485 Commands ==
96 96  
97 97  
... ... @@ -101,10 +101,9 @@
101 101  
102 102  === 1.7.1 Query address ===
103 103  
92 +send
104 104  
105 -**send**
106 -
107 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
94 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %)
108 108  |=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high
109 109  |(% style="width:99px" %)0XFE |(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X50|(% style="width:70px" %)0X00|(% style="width:72px" %)0X00|(% style="width:56px" %)0X51|(% style="width:56px" %)0XD4
110 110  
... ... @@ -111,17 +111,14 @@
111 111  If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, which can be used as a method of address query.
112 112  
113 113  
114 -**response**
101 +response
115 115  
116 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
103 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:561.333px" %)
117 117  |=(% style="width: 50px;background-color:#4F81BD;color:white" %)New address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 106px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 93px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 104px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high
118 118  |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0
119 119  
120 -
121 -
122 122  === 1.7.2 Change address ===
123 123  
124 -
125 125  For example: Change the address of the sensor with address 1 to 2, master → slave
126 126  
127 127  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:575.333px" %)
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267 267  
268 268  == 2.2 Wiring ==
269 269  
270 -[[image:image-20240720172548-2.png||height="348" width="571"]]
271 271  
272 -
273 273  == (% style="color:inherit; font-family:inherit" %)2.3 (% style="color:inherit; font-family:inherit; font-size:26px" %)Mechinical Drawing(%%) ==
274 274  
275 275  [[image:image-20240714174241-2.png]]
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448 448  
449 449  == 3.2 Wiring ==
450 450  
451 -[[image:image-20240720172620-3.png||height="378" width="620"]]
452 452  
453 -
454 454  == 3.3 Mechinical Drawing ==
455 455  
456 456  [[image:image-20240714174241-2.png]]
... ... @@ -613,7 +613,6 @@
613 613  
614 614  == 4.2 wiring ==
615 615  
616 -[[image:image-20240720172632-4.png||height="390" width="640"]]
617 617  
618 618  
619 619  == (% id="cke_bm_224234S" style="display:none" %) (%%)4.3 Impedance requirements for current signals ==
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725 725  
726 726  == 5.2 wiring ==
727 727  
728 -[[image:image-20240720172640-5.png||height="387" width="635"]]
729 729  
730 -
731 731  == 5.3 Impedance requirements for current signals ==
732 732  
733 733  [[image:image-20240718195414-8.png||height="100" width="575"]]
image-20240720172640-5.png
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