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Last modified by Xiaoling on 2025/07/10 16:21
From version 142.2
edited by Xiaoling
on 2025/06/10 15:26
Change comment: There is no comment for this version
To version 129.1
edited by Xiaoling
on 2025/04/19 16:25
Change comment: Uploaded new attachment "image-20250419162538-1.png", version {1}

Summary

Details

Page properties
Content
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1 1  
2 2  
3 3  
4 -[[image:image-20240109154731-4.png||data-xwiki-image-style-alignment="center" height="546" width="769"]]
4 +(% style="text-align:center" %)
5 +[[image:image-20240109154731-4.png||height="671" width="945"]]
5 5  
6 6  
7 7  
... ... @@ -47,7 +47,9 @@
47 47  Each PS-LB/LS is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
48 48  )))
49 49  
51 +[[image:1675071321348-194.png]]
50 50  
53 +
51 51  == 1.2 ​Features ==
52 52  
53 53  
... ... @@ -133,7 +133,7 @@
133 133  === 1.4.2 Immersion Type ===
134 134  
135 135  
136 -[[image:image-20240109160445-5.png||height="199" width="150"]]
139 +[[image:image-20240109160445-5.png||height="221" width="166"]]
137 137  
138 138  * Immersion Type, Probe IP Level: IP68
139 139  * Measuring Range: Measure range can be customized, up to 100m.
... ... @@ -141,15 +141,11 @@
141 141  * Long-Term Stability: ±0.2% F.S / Year
142 142  * Storage temperature: -30°C~~80°C
143 143  * Operating temperature: 0°C~~50°C
144 -* Probe Material: 316 stainless steels
145 -* Cable model specifications： CGYPU 5*0.2mm2
146 -* Usage characteristics of Cable
147 -1） Operating temperature：-40℃— +70℃
148 -2） -30℃ bending cable 15 times of outer diameter can work normally
147 +* Material: 316 stainless steels
149 149  
150 150  === 1.4.3 Wireless Differential Air Pressure Sensor ===
151 151  
152 -[[image:image-20240511174954-1.png||height="193" width="193"]]
151 +[[image:image-20240511174954-1.png||height="215" width="215"]]
153 153  
154 154  * Measuring Range: -100KPa~~0~~100KPa(Optional measuring range).
155 155  * Accuracy: 0.5% F.S, resolution is 0.05%.
... ... @@ -245,13 +245,13 @@
245 245  
246 246  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
247 247  |=(% style="width: 167px;background-color:#4F81BD;color:white" %)Behavior on ACT|=(% style="width: 117px;background-color:#4F81BD;color:white" %)Function|=(% style="width: 226px;background-color:#4F81BD;color:white" %)Action
248 -|[[image:1749521239729-288.png]] 1~~3s|(% style="background-color:#f2f2f2; width:117px" %)Send an uplink|(% style="background-color:#f2f2f2; width:225px" %)(((
247 +|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT between 1s < time < 3s|(% style="background-color:#f2f2f2; width:117px" %)Send an uplink|(% style="background-color:#f2f2f2; width:225px" %)(((
249 249  
250 250  
251 251  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, blue led will blink once.
252 252  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
253 253  )))
254 -|[[image:1749521245437-170.png]] >3s|(% style="background-color:#f2f2f2; width:117px" %)Active Device|(% style="background-color:#f2f2f2; width:225px" %)(((
253 +|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT for more than 3s|(% style="background-color:#f2f2f2; width:117px" %)Active Device|(% style="background-color:#f2f2f2; width:225px" %)(((
255 255  
256 256  
257 257  Green led will fast blink 5 times, device will enter OTA mode for 3 seconds. And then start to JOIN LoRaWAN network.
... ... @@ -258,7 +258,7 @@
258 258  Green led will solidly turn on for 5 seconds after joined in network.
259 259  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
260 260  )))
261 -|[[image:1749521282079-419.png]] x5|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)Red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
260 +|(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)Red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
262 262  
263 263  == 1.8 Pin Mapping ==
264 264  
... ... @@ -308,13 +308,13 @@
308 308  
309 309  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
310 310  
311 -[[image:image-20250419162538-1.png]]
310 +[[image:1675144005218-297.png]]
312 312  
313 313  
314 314  The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
315 315  
316 316  
317 -(% style="color:blue" %)**Step 1: Create a device in TTN with the OTAA keys from PS-LB/LS.**
316 +Step 1: Create a device in TTN with the OTAA keys from PS-LB/LS.
318 318  
319 319  Each PS-LB/LS is shipped with a sticker with the default device EUI as below:
320 320  
... ... @@ -323,45 +323,30 @@
323 323  
324 324  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
325 325  
326 -**Create the application.**
327 327  
328 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SAC01L_LoRaWAN_Temperature%26Humidity_Sensor_User_Manual/WebHome/image-20250423093843-1.png?width=756&height=264&rev=1.1||alt="image-20250423093843-1.png"]]
326 +Register the device
329 329  
330 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111305-2.png?width=1000&height=572&rev=1.1||alt="image-20240907111305-2.png"]]
328 +[[image:1675144099263-405.png]]
331 331  
332 332  
333 -**Add devices to the created Application.**
331 +Add APP EUI and DEV EUI
334 334  
335 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111659-3.png?width=977&height=185&rev=1.1||alt="image-20240907111659-3.png"]]
333 +[[image:1675144117571-832.png]]
336 336  
337 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111820-5.png?width=975&height=377&rev=1.1||alt="image-20240907111820-5.png"]]
338 338  
336 +Add APP EUI in the application
339 339  
340 -**Enter end device specifics manually.**
341 341  
342 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907112136-6.png?width=697&height=687&rev=1.1||alt="image-20240907112136-6.png"]]
339 +[[image:1675144143021-195.png]]
343 343  
344 344  
345 -**Add DevEUI and AppKey. Customize a platform ID for the device.**
342 +Add APP KEY
346 346  
347 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907112427-7.png?rev=1.1||alt="image-20240907112427-7.png"]]
344 +[[image:1675144157838-392.png]]
348 348  
346 +Step 2: Activate on PS-LB/LS
349 349  
350 -(% style="color:blue" %)**Step 2: Add decoder.**
351 351  
352 -In TTN, user can add a custom payload so it shows friendly reading.
353 -
354 -Click this link to get the decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/]]
355 -
356 -Below is TTN screen shot:
357 -
358 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS25-LBLDS25-LS--LoRaWAN_LiDAR_Distance_Auto-Clean_Sensor_User_Manual/WebHome/image-20241009140556-1.png?width=1184&height=488&rev=1.1||alt="image-20241009140556-1.png" height="488" width="1184"]]
359 -
360 -[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS25-LBLDS25-LS--LoRaWAN_LiDAR_Distance_Auto-Clean_Sensor_User_Manual/WebHome/image-20241009140603-2.png?width=1168&height=562&rev=1.1||alt="image-20241009140603-2.png" height="562" width="1168"]]
361 -
362 -
363 -(% style="color:blue" %)**Step 3: Activate on PS-LB/LS**
364 -
365 365  Press the button for 5 seconds to activate the PS-LB/LS.
366 366  
367 367  Green led will fast blink 5 times, device will enter OTA mode for 3 seconds. And then start to JOIN LoRaWAN network. Green led will solidly turn on for 5 seconds after joined in network.
... ... @@ -379,7 +379,7 @@
379 379  Users can also use the downlink command(0x26 01) to ask PS-LB/LS to resend this uplink.
380 380  
381 381  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
382 -|(% colspan="6" style="background-color:#4f81bd; color:white" %)**Device Status (FPORT=5)**
366 +|(% colspan="6" style="background-color:#4f81bd; color:white" %)Device Status (FPORT=5)
383 383  |(% style="background-color:#f2f2f2; width:103px" %)Size (bytes)|(% style="background-color:#f2f2f2; width:72px" %)1|(% style="background-color:#f2f2f2" %)2|(% style="background-color:#f2f2f2; width:91px" %)1|(% style="background-color:#f2f2f2; width:86px" %)1|(% style="background-color:#f2f2f2; width:44px" %)2
384 384  |(% style="background-color:#f2f2f2; width:103px" %)Value|(% style="background-color:#f2f2f2; width:72px" %)Sensor Model|(% style="background-color:#f2f2f2" %)Firmware Version|(% style="background-color:#f2f2f2; width:91px" %)Frequency Band|(% style="background-color:#f2f2f2; width:86px" %)Sub-band|(% style="background-color:#f2f2f2; width:44px" %)BAT
385 385  
... ... @@ -449,8 +449,10 @@
449 449  
450 450  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
451 451  |(% style="background-color:#4f81bd; color:white; width:97px" %)(((
452 -**Size(bytes)**
453 -)))|(% style="background-color:#4f81bd; color:white; width:50px" %)**2**|(% style="background-color:#4f81bd; color:white; width:71px" %)**2**|(% style="background-color:#4f81bd; color:white; width:98px" %)**2**|(% style="background-color:#4f81bd; color:white; width:73px" %)**2**|(% style="background-color:#4f81bd; color:white; width:122px" %)**1**
436 +
437 +
438 +Size(bytes)
439 +)))|(% style="background-color:#4f81bd; color:white; width:50px" %)2|(% style="background-color:#4f81bd; color:white; width:71px" %)2|(% style="background-color:#4f81bd; color:white; width:98px" %)2|(% style="background-color:#4f81bd; color:white; width:73px" %)2|(% style="background-color:#4f81bd; color:white; width:122px" %)1
454 454  |(% style="width:97px" %)Value|(% style="width:48px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:71px" %)[[Probe Model>>||anchor="H2.3.4ProbeModel"]]|(% style="width:98px" %)[[0 ~~~~ 20mA value>>||anchor="H2.3.507E20mAvalue28IDC_IN29"]]|(% style="width:73px" %)[[0 ~~~~ 30v value>>||anchor="H2.3.607E30Vvalue28pinVDC_IN29"]]|(% style="width:122px" %)[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.7IN126IN226INTpin"]]
455 455  
456 456  [[image:1675144608950-310.png]]
... ... @@ -471,10 +471,11 @@
471 471  
472 472  PS-LB/LS has different kind of probe, 4~~20mA represent the full scale of the measuring range. So a 12mA output means different meaning for different probe. 
473 473  
460 +
474 474  For example.
475 475  
476 476  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
477 -|(% style="background-color:#4f81bd; color:white" %)**Part Number**|(% style="background-color:#4f81bd; color:white" %)**Probe Used**|(% style="background-color:#4f81bd; color:white" %)**4~~20mA scale**|(% style="background-color:#4f81bd; color:white" %)**Example: 12mA meaning**
464 +|(% style="background-color:#4f81bd; color:white" %)Part Number|(% style="background-color:#4f81bd; color:white" %)Probe Used|(% style="background-color:#4f81bd; color:white" %)4~~20mA scale|(% style="background-color:#4f81bd; color:white" %)Example: 12mA meaning
478 478  |(% style="background-color:#f2f2f2" %)PS-LB/LS-I3|(% style="background-color:#f2f2f2" %)immersion type with 3 meters cable|(% style="background-color:#f2f2f2" %)0~~3 meters|(% style="background-color:#f2f2f2" %)1.5 meters pure water
479 479  |(% style="background-color:#f2f2f2" %)PS-LB/LS-I5|(% style="background-color:#f2f2f2" %)immersion type with 5 meters cable|(% style="background-color:#f2f2f2" %)0~~5 meters|(% style="background-color:#f2f2f2" %)2.5 meters pure water
480 480  |(% style="background-color:#f2f2f2" %)PS-LB/LS-T20-B|(% style="background-color:#f2f2f2" %)T20 threaded probe|(% style="background-color:#f2f2f2" %)0~~1MPa|(% style="background-color:#f2f2f2" %)0.5MPa air / gas or water pressure
... ... @@ -482,23 +482,6 @@
482 482  The probe model field provides the convenient for server to identical how it should parse the 4~~20mA sensor value and get the correct value.
483 483  
484 484  
485 -When connecting to current sensors sold by our company, you can convert current readings to corresponding values by simply configuring the [[AT+PROBE>>||anchor="H3.3.4SettheProbeModel"]] command. If you prefer not to configure this command on the sensor, you can uniformly handle the conversion in the payload decoder instead.
486 -
487 -**Examples for decoder implementation:**
488 -
489 -~1. For AT+PROBE=0005, add the following processing in your decoder:
490 -
491 -[[image:image-20250512144042-1.png]]
492 -
493 -[[image:image-20250512144122-2.png]]
494 -
495 -2. For AT+PROBE=0102, add the following processing in your decoder(Corresponding to the position shown in the above screenshot).
496 -
497 -bytes[i]=0x01;bytes[1+i]=0x02;
498 -
499 -bytes[2]=0x01;bytes[3]=0x02;
500 -
501 -
502 502  === 2.3.5 0~~20mA value (IDC_IN) ===
503 503  
504 504  
... ... @@ -552,8 +552,10 @@
552 552  
553 553  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
554 554  |(% style="background-color:#4f81bd; color:white; width:65px" %)(((
555 -**Size(bytes)**
556 -)))|(% style="background-color:#4f81bd; color:white; width:35px" %)**2**|(% style="background-color:#4f81bd; color:white; width:400px" %)**n**
525 +
526 +
527 +Size(bytes)
528 +)))|(% style="background-color:#4f81bd; color:white; width:35px" %)2|(% style="background-color:#4f81bd; color:white; width:400px" %)n
557 557  |(% style="width:94px" %)Value|(% style="width:43px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:367px" %)(((
558 558  
559 559  
... ... @@ -1234,7 +1234,7 @@
1234 1234  
1235 1235  AT Command: AT +STDC
1236 1236  
1237 -AT+STDC=aa,bb,cc
1209 +AT+STDC=aa,bb,bb
1238 1238  
1239 1239  aa:
1240 1240  0: means disable this function and use TDC to send packets.
... ... @@ -1268,113 +1268,6 @@
1268 1268  
1269 1269  * Example 1: Downlink Payload: AE 01 02 58 12 ~-~-->  AT+STDC=1,600,18
1270 1270  
1271 -== 3.4 Print data entries base on page(Since v1.1.0) ==
1272 -
1273 -
1274 -Feature: Print the sector data from start page to stop page (max is 416 pages).
1275 -
1276 -(% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1277 -
1278 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1279 -|(% style="background-color:#4f81bd; color:white; width:158px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:352px" %)**Function**
1280 -|(% style="width:156px" %)(((
1281 - AT+PDTA=1,1
1282 -Print page 1 to 1
1283 -)))|(% style="width:311px" %)(((
1284 -Stop Tx events when read sensor data
1285 -
1286 -8031000 1970/1/1 00:00:00 0 in1:low in2:low exti:low status:false vdc:0.000 idc:0.000 proble:0000 water_deep:0.000
1287 -
1288 -8031010 1970/1/1 00:00:00 0 in1:low in2:low exti:low status:false vdc:0.000 idc:0.000 proble:0000 water_deep:0.000
1289 -
1290 -8031020 1970/1/1 00:00:00 0 in1:low in2:low exti:low status:false vdc:0.000 idc:0.000 proble:0000 water_deep:0.000
1291 -
1292 -8031030 1970/1/1 00:00:00 0 in1:low in2:low exti:low status:false vdc:0.000 idc:0.000 proble:0000 water_deep:0.000
1293 -
1294 -8031040 1970/1/1 00:00:00 0 in1:low in2:low exti:low status:false vdc:0.000 idc:0.000 proble:0000 water_deep:0.000
1295 -
1296 -8031050 1970/1/1 00:00:00 0 in1:low in2:low exti:low status:false vdc:0.000 idc:0.000 proble:0000 water_deep:0.000
1297 -
1298 -8031060 1970/1/1 00:00:00 0 in1:low in2:low exti:low status:false vdc:0.000 idc:0.000 proble:0000 water_deep:0.000
1299 -
1300 -8031070 1970/1/1 00:00:00 0 in1:low in2:low exti:low status:false vdc:0.000 idc:0.000 proble:0000 water_deep:0.000
1301 -
1302 -Start Tx events
1303 -
1304 -
1305 -OK
1306 -)))
1307 -
1308 -(% style="color:#4f81bd" %)**Downlink Command:**
1309 -
1310 -No downlink commands for feature
1311 -
1312 -
1313 -== 3.5 Print last few data entries(Since v1.1.0) ==
1314 -
1315 -
1316 -Feature: Print the last few data entries
1317 -
1318 -
1319 -(% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1320 -
1321 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1322 -|(% style="background-color:#4f81bd; color:white; width:158px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:352px" %)**Function**
1323 -|(% style="width:156px" %)(((
1324 -AT+PLDTA=10
1325 -Print last 10 entries
1326 -)))|(% style="width:311px" %)(((
1327 -Stop Tx events when read sensor data
1328 -
1329 -0001 2025/5/19 06:16:50 3246 in1:low in2:low exti:low status:false vdc:3.352 idc:0.000 proble:0000 water_deep:0.000
1330 -
1331 -0002 2025/5/19 06:17:50 3246 in1:low in2:low exti:low status:false vdc:3.352 idc:0.000 proble:0000 water_deep:0.000
1332 -
1333 -0003 2025/5/19 06:18:50 3246 in1:low in2:low exti:low status:false vdc:3.352 idc:0.000 proble:0000 water_deep:0.000
1334 -
1335 -0004 2025/5/19 06:19:50 3246 in1:low in2:low exti:low status:false vdc:3.352 idc:0.000 proble:0000 water_deep:0.000
1336 -
1337 -0005 2025/5/19 06:20:50 3246 in1:low in2:low exti:low status:false vdc:3.352 idc:0.000 proble:0000 water_deep:0.000
1338 -
1339 -0006 2025/5/19 06:21:50 3246 in1:low in2:low exti:low status:false vdc:3.351 idc:0.000 proble:0000 water_deep:0.000
1340 -
1341 -0007 2025/5/19 06:22:50 3240 in1:low in2:low exti:low status:false vdc:3.351 idc:0.000 proble:0000 water_deep:0.000
1342 -
1343 -0008 2025/5/19 06:26:44 3276 in1:low in2:low exti:low status:false vdc:3.385 idc:0.000 proble:0000 water_deep:0.000
1344 -
1345 -0009 2025/5/19 06:27:36 3246 in1:low in2:low exti:low status:false vdc:3.351 idc:0.000 proble:0000 water_deep:0.000
1346 -
1347 -0010 2025/5/19 06:28:36 3240 in1:low in2:low exti:low status:false vdc:3.351 idc:0.000 proble:0000 water_deep:0.000
1348 -
1349 -Start Tx events
1350 -
1351 -OK
1352 -)))
1353 -
1354 -(% style="color:#4f81bd" %)**Downlink Command:**
1355 -
1356 -No downlink commands for feature
1357 -
1358 -
1359 -== 3.6 Clear Flash Record(Since v1.1.0) ==
1360 -
1361 -
1362 -Feature: Clear flash storage for data log feature.
1363 -
1364 -(% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1365 -
1366 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:503px" %)
1367 -|(% style="background-color:#4f81bd; color:white; width:157px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:137px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:209px" %)**Response**
1368 -|(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
1369 -Clear all stored sensor data…
1370 -
1371 -OK
1372 -)))
1373 -
1374 -(% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1375 -
1376 -* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1377 -
1378 1378  = 4. Battery & Power Consumption =
1379 1379  
1380 1380  
... ... @@ -1439,30 +1439,6 @@
1439 1439  [[image:image-20240329175044-1.png]]
1440 1440  
1441 1441  
1442 -== 6.5 Cable & Probe Material Compatibility(Immersion type) ==
1443 -
1444 -
1445 -Since the installation method of immersion sensors requires immersion in a liquid environment, the discussion of liquids that can be safely installed is very important.
1446 -
1447 -(% style="color:blue" %)**The material of the immersed part of the immersion sensor:**
1448 -
1449 -* **Cable Jacket**: Black polyurethane (PU) – Resistant to water, oils, and mild chemicals.
1450 -* **Probe Material**: 316 stainless steel – Corrosion-resistant in most industrial/marine environments.
1451 -
1452 -(% style="color:blue" %)**Chemical Compatibility:**
1453 -
1454 -* **Polyurethane (PU) Cable:** Resists water, oils, fuels, and mild chemicals but may degrade with prolonged exposure to strong acids, bases, or solvents (e.g., acetone, chlorinated hydrocarbons).
1455 -* 3**16 Stainless Steel Probe:** Suitable for water, seawater, mild acids/alkalis, and industrial fluids. Avoid highly concentrated acids (e.g., hydrochloric acid) or chlorides at high temperatures.
1456 -
1457 -**Chemical Resistance Chart for Polyurethane (PU) Cable**
1458 -
1459 -[[image:image-20250603171424-1.png||height="429" width="625"]]
1460 -
1461 -**Chemical Resistance Chart for 316 Stainless Steel Probe**
1462 -
1463 -[[image:image-20250603171503-2.png||height="350" width="616"]]
1464 -
1465 -
1466 1466  = 7. Troubleshooting =
1467 1467  
1468 1468  == 7.1 Water Depth Always shows 0 in payload ==
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