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(Optional measuring range). 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: -20℃~~60℃ 158 -* Storage temperature: -20℃~~60℃ 159 -* Compensation temperature: 0~~50°C 160 - 161 161 == 1.5 Application and Installation == 162 162 163 163 === 1.5.1 Thread Installation Type === ... ... @@ -188,7 +188,7 @@ 188 188 [[image:1675071725288-579.png]] 189 189 190 190 191 - Below is the wiring to for connect the probe to the device.179 +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. 192 192 193 193 The Immersion Type Sensor has different variant which defined by Ixx. For example, this means two points: 194 194 ... ... @@ -201,31 +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 -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 - 229 229 == 1.6 Sleep mode and working mode == 230 230 231 231 ... ... @@ -882,28 +882,7 @@ 882 882 Test the current values at the depth of different liquids and convert them to a linear scale. 883 883 Replace its ratio with the ratio of water to current in the decoder. 884 884 885 -**Example:** 886 886 887 -Measure the corresponding current of the sensor when the liquid depth is 2.04m and 0.51m. 888 - 889 -**Calculate scale factor：** 890 -Use these two data to calculate the current and depth scaling factors：(7.888-5.035)/(2.04-0.51)=1.86470588235294 891 - 892 -**Calculation formula：** 893 - 894 -Use the calibration formula：(Current current - Minimum calibration current)/Scale factor + Minimum actual calibration height 895 - 896 -**Actual calculations：** 897 - 898 -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 899 - 900 -**Error：** 901 - 902 -0.009810726 903 - 904 - 905 -[[image:image-20240329175044-1.png]] 906 - 907 907 = 7. Troubleshooting = 908 908 909 909 == 7.1 Water Depth Always shows 0 in payload ==
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