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Changes for page Water Quality Sensors

Last modified by Karry Zhuang on 2025/02/18 15:43
From version 15.1
edited by Karry Zhuang
on 2024/07/18 16:14
Change comment: There is no comment for this version
To version 10.1
edited by Karry Zhuang
on 2024/07/18 12:01
Change comment: There is no comment for this version

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... ... @@ -42,13 +42,11 @@
42 42  
43 43  == 1.7 RS485 Commands ==
44 44  
45 -=== 1.7.1 Query data ===
45 +The address of the EC K1 sensor is 11
46 46  
47 -The address of the EC K10 sensor is 11
48 -
49 49  The query data command is 11 03 00 00 00 02 C6 9B
50 50  
51 -For example, the returned data is 11 03 04 (% style="color:red" %)**02 AE**(%%) 01 64 8B D0. 02 AE is converted to decimal 686,  K=10, EC: 6860uS/cm
49 +For example, the returned data is 11 03 04 02 AE 01 64 8B D0, 02 AE is converted to decimal 686,  K=1, EC: 686uS/cm
52 52  
53 53  
54 54  The address of the EC K1 sensor is 12
... ... @@ -55,107 +55,39 @@
55 55  
56 56  The query data command is 12 03 00 00 00 02 C6 A8
57 57  
58 -For example, the returned data is 12 03 04 (% style="color:red" %)**02 AE**(%%) 01 64 B8 D0. 02 AE is converted to decimal 686,  K=1, EC: 686uS/cm.
56 +~; when K=10, EC: 6860uS/cm.
59 59  
60 -
61 -=== 1.7.2 Calibration Method ===
62 -
63 -
64 -This device uses one-point calibration, and you need to prepare a known E standard solution. When mileage K=1, 1~~2000 uses 1413μS/cm standard solution, and when mileage K=10, 10~~20000 uses 12.88mS/cm standard solution.
65 -
66 -The calibration steps are as follows:
67 -(1) Place the electrode in distilled water and clean it. When mileage 1~~2000 uses 1413μS/cm standard solution, enter the following calibration command after the data is stable.
68 -
69 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %)
70 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 139.083px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Data|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high
71 -|(% style="width:99px" %)0X12|(% style="width:112px" %)0X10|(% style="width:135px" %)0X00|(% style="width:126px" %)0X26|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0X04|(% style="width:1px" %)(((
72 -0X00
73 -
74 -0X00
75 -
76 -0X37
77 -
78 -0X32
79 -)))|(% style="width:1px" %)0XBD|(% style="width:1px" %)0XFC
80 -
81 -1413*10 gives 0X00003732
82 -
83 -Return
84 -
85 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %)
86 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high
87 -|(% style="width:99px" %)0X12|(% style="width:112px" %)0X10|(% style="width:135px" %)0X00|(% style="width:126px" %)0X26|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0XA2|(% style="width:1px" %)0XA0
88 -
89 -
90 -
91 -(2) Place the electrode in distilled water to clean it. Use 12.88mS/cm standard solution for the range of 10~~20000. After the data is stable, enter the following calibration command
92 -
93 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %)
94 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 139.083px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Data|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high
95 -|(% style="width:99px" %)0X11|(% style="width:112px" %)0X10|(% style="width:135px" %)0X00|(% style="width:126px" %)0X26|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0X04|(% style="width:1px" %)(((
96 -0X00
97 -
98 -0X01
99 -
100 -0XF7
101 -
102 -0X20
103 -)))|(% style="width:1px" %)0X33|(% style="width:1px" %)0X75
104 -
105 -12880*10 gives 0X01F720
106 -
107 -Return
108 -
109 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %)
110 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high
111 -|(% style="width:99px" %)0X11|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X26|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0XEB|(% style="width:1px" %)0X50
112 -
113 -
114 -
115 -
116 -
117 117  = 2. DR-PH01 Water PH Sensor =
118 118  
119 119  == 2.7 RS485 Commands ==
120 120  
62 +The address of the dissolved oxygen sensor is 12
121 121  
122 -The address of the pH  sensor is 10
64 +The query data command is 14 03 00 14 00 01 C6 CB
123 123  
124 -The query data command is 10 03 00 00 00 01 87 4B. After the query, 7 bytes will be returned.
125 125  
126 -For example, the returned data is 10 03 02 (% style="color:red" %)**02 AE**(%%) C4 9B.
127 -
128 -02 AE is the pH value, which is converted into decimal to get 686, and then two decimal places are added to get the actual value. 02 AE means the current pH value is 6.86.
129 -
130 -
131 131  = 3. DR-ORP1 Water ORP Sensor =
132 132  
133 133  == 3.7 RS485 Commands ==
134 134  
135 135  
136 -The address of the ORP sensor is 13
72 +The address of the dissolved oxygen sensor is 13
137 137  
138 -The query data command is 13 03 00 00 00 01 87 78
74 +The query data command is 14 03 00 14 00 01 C6 CB
139 139  
140 -For example, the returned data is 13 03 02 (% style="color:red" %)**02 AE**(%%) 80 9B.
141 141  
142 -02 AE is the ORP value, converted to decimal, the actual value is 686, 02 AE means the current ORP value is 686mV
143 -
144 -
145 145  = 4. DR-DO1 Dissolved Oxygen Sensor =
146 146  
147 147  == 4.7 RS485 Commands ==
148 148  
149 -
150 150  The address of the dissolved oxygen sensor is 14
151 151  
152 152  The query data command is 14 03 00 14 00 01 C6 CB
153 153  
154 -After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 (% style="color:red" %)**03 78**(%%) B5 55. 03 78 is the value of dissolved oxygen.
85 +After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 03 78 B5 55. 03 78 is the value of dissolved oxygen.
155 155  
156 156  Converted to decimal, it is 888. Add two decimal places to get the actual value. 03 78 means the current dissolved oxygen is 8.88mg/L
157 157  
158 -
159 159  = 5. DR-TS1 Water Turbidity Sensor =
160 160  
161 161  == 5.7 RS485 Commands ==
... ... @@ -163,10 +163,6 @@
163 163  
164 164  The address of the dissolved oxygen sensor is 15
165 165  
166 -The query data command is 15 03 00 00 00 01 87 1E
96 +The query data command is 15 03 00 14 00 01 C6 CB
167 167  
168 -For example, the returned data is 15 03 02 (% style="color:red" %)**02 9A**(%%) 09 4C
169 -
170 -02 9A is the turbidity value, converted to decimal, it is 666, and then divided by 10, the actual value is 66.6, 02 9A means the current turbidity value is 66.6 NTU
171 -
172 172