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1		-XWiki.ting
	1	+XWiki.Xiaoling

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147	147	* Material: 316 stainless steels
148	148
149	149
150		-=== 1.4.3 Wireless Differential Air Pressure Sensor ===
151	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 ===
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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
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258	258	[[image:image-20240109160800-6.png]]
259	259
260	260
	245	+
261	261	=== 1.10.2 for LS version ===
262	262
263	263
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571	571	== 2.6 Frequency Plans ==
572	572
573	573
574		-The PS-LB/LS uses OTAA mode and below frequency plans by default. Each frequency band use different firmware, user update the firmware to the corresponding band for their country.
	559	+The PS-LB/LS uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
575	575
576	576	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
577	577
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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) ===
	766	+=== 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.
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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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