Changes for page PS-LB/LS -- LoRaWAN Air Water Pressure Sensor User Manual
Last modified by Xiaoling on 2025/04/19 17:58
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... ... @@ -147,19 +147,6 @@ 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 - 163 163 == 1.5 Application and Installation == 164 164 165 165 === 1.5.1 Thread Installation Type === ... ... @@ -192,11 +192,7 @@ 192 192 193 193 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. 194 194 195 -The Immersion Type Sensor has different variant which defined by Ixx. For example, this means two points: 196 196 197 -* Cable Length: 10 Meters 198 -* Water Detect Range: 0 ~~ 10 Meters. 199 - 200 200 [[image:1675071736646-450.png]] 201 201 202 202 ... ... @@ -258,6 +258,7 @@ 258 258 [[image:image-20240109160800-6.png]] 259 259 260 260 244 + 261 261 === 1.10.2 for LS version === 262 262 263 263 ... ... @@ -778,7 +778,7 @@ 778 778 * Example 1: Downlink Payload: 080003 **~-~-->** AT+PROBE=0003 779 779 * Example 2: Downlink Payload: 080101 **~-~-->** AT+PROBE=0101 780 780 781 -=== 3.3.5 Multiple collections are one uplink (Since firmware V1.1)===765 +=== 3.3.5 Multiple collections are one uplink（Since firmware V1.1） === 782 782 783 783 784 784 Added AT+STDC command to collect the voltage of VDC_INPUT multiple times and upload it at one time. ... ... @@ -853,34 +853,6 @@ 853 853 When downloading the images, choose the required image file for download. 854 854 855 855 856 -== 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 - 884 884 = 7. Troubleshooting = 885 885 886 886 == 7.1 Water Depth Always shows 0 in payload ==
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