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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... ... @@ -146,18 +146,6 @@ 146 146 * Operating temperature: 0℃~~50℃ 147 147 * Material: 316 stainless steels 148 148 149 -=== 1.4.3 Wireless Differential Air Pressure Sensor === 150 - 151 -[[image:image-20240511174954-1.png]] 152 - 153 -* Measuring Range: -100KPa~~0~~100KPa,Intermediate range is optional. 154 -* Accuracy: 0.5% F.S, resolution is 0.05%. 155 -* Overload: 300% F.S 156 -* Zero temperature drift: ±0.03%F.S/°C 157 -* Operating temperature: -40℃~~85℃ 158 -* Compensation temperature: 0~~50°C 159 - 160 - 161 161 == 1.5 Application and Installation == 162 162 163 163 === 1.5.1 Thread Installation Type === ... ... @@ -195,6 +195,7 @@ 195 195 * Cable Length: 10 Meters 196 196 * Water Detect Range: 0 ~~ 10 Meters. 197 197 186 + 198 198 [[image:1675071736646-450.png]] 199 199 200 200 ... ... @@ -201,34 +201,6 @@ 201 201 [[image:1675071776102-240.png]] 202 202 203 203 204 - 205 -=== 1.5.3 Wireless Differential Air Pressure Sensor === 206 - 207 - 208 -(% style="color:blue" %)**Application:** 209 - 210 -Indoor Air Control & Filter clogging Detect. 211 - 212 -[[image:image-20240513100129-6.png]] 213 - 214 -[[image:image-20240513100135-7.png]] 215 - 216 - 217 -The Wireless Differential Air 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. 218 - 219 -[[image:image-20240513093957-1.png]] 220 - 221 - 222 -Size of wind pressure transmitter: 223 - 224 -[[image:image-20240513094047-2.png]] 225 - 226 -Note: The above dimensions are measured by hand, and the numerical error of the shell is within ±0.2mm. 227 - 228 - 229 - 230 - 231 - 232 232 == 1.6 Sleep mode and working mode == 233 233 234 234 ... ... @@ -284,6 +284,7 @@ 284 284 [[image:image-20240109160800-6.png]] 285 285 286 286 248 + 287 287 === 1.10.2 for LS version === 288 288 289 289 ... ... @@ -804,7 +804,7 @@ 804 804 * Example 1: Downlink Payload: 080003 **~-~-->** AT+PROBE=0003 805 805 * Example 2: Downlink Payload: 080101 **~-~-->** AT+PROBE=0101 806 806 807 -=== 3.3.5 Multiple collections are one uplink (Since firmware V1.1)===769 +=== 3.3.5 Multiple collections are one uplink（Since firmware V1.1） === 808 808 809 809 810 810 Added AT+STDC command to collect the voltage of VDC_INPUT multiple times and upload it at one time. ... ... @@ -879,34 +879,6 @@ 879 879 When downloading the images, choose the required image file for download. 880 880 881 881 882 -== 6.4 How to measure the depth of other liquids other than water? == 883 - 884 - 885 -Test the current values at the depth of different liquids and convert them to a linear scale. 886 -Replace its ratio with the ratio of water to current in the decoder. 887 - 888 -**Example:** 889 - 890 -Measure the corresponding current of the sensor when the liquid depth is 2.04m and 0.51m. 891 - 892 -**Calculate scale factor：** 893 -Use these two data to calculate the current and depth scaling factors：(7.888-5.035)/(2.04-0.51)=1.86470588235294 894 - 895 -**Calculation formula：** 896 - 897 -Use the calibration formula：(Current current - Minimum calibration current)/Scale factor + Minimum actual calibration height 898 - 899 -**Actual calculations：** 900 - 901 -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 902 - 903 -**Error：** 904 - 905 -0.009810726 906 - 907 - 908 -[[image:image-20240329175044-1.png]] 909 - 910 910 = 7. Troubleshooting = 911 911 912 912 == 7.1 Water Depth Always shows 0 in payload ==
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