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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... ... @@ -146,6 +146,18 @@ 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℃~~40℃ 159 +* Compensation temperature: 0~~50°C 160 + 149 149 == 1.5 Application and Installation == 150 150 151 151 === 1.5.1 Thread Installation Type === ... ... @@ -176,7 +176,7 @@ 176 176 [[image:1675071725288-579.png]] 177 177 178 178 179 - TheImmersion 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.191 +Below is the wiring to for connect the probe to the device. 180 180 181 181 The Immersion Type Sensor has different variant which defined by Ixx. For example, this means two points: 182 182 ... ... @@ -189,6 +189,31 @@ 189 189 [[image:1675071776102-240.png]] 190 190 191 191 204 + 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 + 192 192 == 1.6 Sleep mode and working mode == 193 193 194 194 ... ... @@ -244,7 +244,6 @@ 244 244 [[image:image-20240109160800-6.png]] 245 245 246 246 247 - 248 248 === 1.10.2 for LS version === 249 249 250 250 ... ... @@ -840,13 +840,34 @@ 840 840 When downloading the images, choose the required image file for download. 841 841 842 842 843 -== 6.4 How to measure the depth of other liquids other than water ？==879 +== 6.4 How to measure the depth of other liquids other than water? == 844 844 845 -Test the current values at the depth of different liquids and convert them to a linear scale 846 -Replace its ratio with the ratio of water to current in the decoder 847 847 882 +Test the current values at the depth of different liquids and convert them to a linear scale. 883 +Replace its ratio with the ratio of water to current in the decoder. 848 848 885 +**Example:** 849 849 887 +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 + 850 850 = 7. Troubleshooting = 851 851 852 852 == 7.1 Water Depth Always shows 0 in payload ==
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