Changes for page PS-LB/LS -- LoRaWAN Air Water Pressure Sensor User Manual
Last modified by Xiaoling on 2025/04/19 17:58
Change comment:
Uploaded new attachment "image-20240513094047-2.png", version {1}
Summary
-
Page properties (2 modified, 0 added, 0 removed)
-
Attachments (0 modified, 4 added, 0 removed)
Details
- Page properties
-
- Author
-
... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.ting - Content
-
... ... @@ -147,6 +147,19 @@ 147 147 * Material: 316 stainless steels 148 148 149 149 150 +=== 1.4.3 Wireless Differential Air Pressure Sensor === 151 + 152 +[[image:image-20240511174954-1.png]] 153 + 154 +* Measuring Range: -100KPa~~0~~100KPa,Intermediate range is optional. 155 +* Accuracy: 0.5% F.S, resolution is 0.05%. 156 +* Overload: 300% F.S 157 +* Zero temperature drift: ±0.03%F.S/°C 158 +* Operating temperature: -40℃~~85℃ 159 +* Compensation temperature: 0~~50°C 160 + 161 + 162 + 150 150 == 1.5 Application and Installation == 151 151 152 152 === 1.5.1 Thread Installation Type === ... ... @@ -179,7 +179,11 @@ 179 179 180 180 The Immersion Type pressure sensor is shipped with the probe and device separately. When user got the device, below is the wiring to for connect the probe to the device. 181 181 195 +The Immersion Type Sensor has different variant which defined by Ixx. For example, this means two points: 182 182 197 +* Cable Length: 10 Meters 198 +* Water Detect Range: 0 ~~ 10 Meters. 199 + 183 183 [[image:1675071736646-450.png]] 184 184 185 185 ... ... @@ -241,7 +241,6 @@ 241 241 [[image:image-20240109160800-6.png]] 242 242 243 243 244 - 245 245 === 1.10.2 for LS version === 246 246 247 247 ... ... @@ -762,7 +762,7 @@ 762 762 * Example 1: Downlink Payload: 080003 **~-~-->** AT+PROBE=0003 763 763 * Example 2: Downlink Payload: 080101 **~-~-->** AT+PROBE=0101 764 764 765 -=== 3.3.5 Multiple collections are one uplink （Since firmware V1.1）===781 +=== 3.3.5 Multiple collections are one uplink (Since firmware V1.1) === 766 766 767 767 768 768 Added AT+STDC command to collect the voltage of VDC_INPUT multiple times and upload it at one time. ... ... @@ -837,6 +837,34 @@ 837 837 When downloading the images, choose the required image file for download. 838 838 839 839 856 +== 6.4 How to measure the depth of other liquids other than water? == 857 + 858 + 859 +Test the current values at the depth of different liquids and convert them to a linear scale. 860 +Replace its ratio with the ratio of water to current in the decoder. 861 + 862 +**Example:** 863 + 864 +Measure the corresponding current of the sensor when the liquid depth is 2.04m and 0.51m. 865 + 866 +**Calculate scale factor：** 867 +Use these two data to calculate the current and depth scaling factors：(7.888-5.035)/(2.04-0.51)=1.86470588235294 868 + 869 +**Calculation formula：** 870 + 871 +Use the calibration formula：(Current current - Minimum calibration current)/Scale factor + Minimum actual calibration height 872 + 873 +**Actual calculations：** 874 + 875 +Use this formula to calculate the value corresponding to the current at a depth of 1.5 meters: (6.918-5.035)/1.86470588235294+0.51=1.519810726 876 + 877 +**Error：** 878 + 879 +0.009810726 880 + 881 + 882 +[[image:image-20240329175044-1.png]] 883 + 840 840 = 7. Troubleshooting = 841 841 842 842 == 7.1 Water Depth Always shows 0 in payload ==
- image-20240329175044-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Bei - Size
-
... ... @@ -1,0 +1,1 @@ 1 +55.2 KB - Content
- image-20240511174954-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.ting - Size
-
... ... @@ -1,0 +1,1 @@ 1 +65.9 KB - Content
- image-20240513093957-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.ting - Size
-
... ... @@ -1,0 +1,1 @@ 1 +320.4 KB - Content
- image-20240513094047-2.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.ting - Size
-
... ... @@ -1,0 +1,1 @@ 1 +62.7 KB - Content