Last modified by Mengting Qiu on 2025/02/26 15:04
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From version < 23.5 >
edited by Xiaoling
on 2022/06/07 14:40
To version < 26.2 >
edited by Xiaoling
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... ... @@ -55,7 +55,6 @@
55 55  * IP68 rate for the Sensor Probe
56 56  * 8500mAh Battery for long term use
57 57  
58 -
59 59  == 1.3 Probe Specification ==
60 60  
61 61  
... ... @@ -76,12 +76,10 @@
76 76  * IP68 Protection
77 77  * Length: 3.5 meters
78 78  
79 -
80 80  == 1.4 ​Applications ==
81 81  
82 82  * Smart Agriculture
83 83  
84 -
85 85  == 1.5 Pin mapping and power on ==
86 86  
87 87  [[image:1654580482666-473.png]]
... ... @@ -269,6 +269,7 @@
269 269  |0x03|Reply Calibration Info|[[Calibration Payload>>||anchor="H2.7Calibration"]]
270 270  
271 271  
269 +
272 272  === 2.3.7 Decode payload in The Things Network ===
273 273  
274 274  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -342,95 +342,77 @@
342 342  
343 343  
344 344  
343 +== 2.6 Installation and Maintain ==
345 345  
345 +=== 2.6.1 Before measurement ===
346 346  
347 -1.
348 -11. Installation and Maintain
349 -111. Before measurement
350 -
347 +(((
351 351  If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy. 
349 +)))
352 352  
353 353  
354 -1.
355 -11.
356 -111. Measurement
357 357  
358 -**Measurement the soil surface**
353 +=== 2.6.2 Measurement ===
359 359  
360 360  
361 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] Choose the proper measuring position. Split the surface soil according to the measured deep.
356 +(% style="color:#4f81bd" %)**Measurement the soil surface:**
362 362  
358 +[[image:1654584128046-287.png]]
363 363  
360 +Choose the proper measuring position. Split the surface soil according to the measured deep.
361 +
364 364  Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
365 365  
366 -
367 367  Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
368 368  
369 -
370 370  Put soil over the probe after insert. And start to measure.
371 371  
372 372  
373 -**Measurement inside soil**
369 +(% style="color:#4f81bd" %)**Measurement inside soil:**
374 374  
375 -
376 -
377 377  Dig a hole with diameter > 20CM.
378 378  
379 -
380 380  Insert the probe inside, method like measure the surface.
381 381  
382 382  
383 -1.
384 -11.
385 -111. Maintain Probe
386 -1111. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
387 -1111. After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
388 -1111. Probe reference electrode is also no strong, need to avoid strong force or hitting.
389 -1111. User should keep reference electrode wet while not use.
390 -1111. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
391 -1111. The probe is IP68 can be put in water.
392 392  
393 -1.
394 -11. Calibration
377 +=== 2.6.3 Maintain Probe ===
395 395  
396 -User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable).
379 +1. (((
380 +pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
381 +)))
382 +1. (((
383 +After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
384 +)))
385 +1. (((
386 +Probe reference electrode is also no strong, need to avoid strong force or hitting.
387 +)))
388 +1. (((
389 +User should keep reference electrode wet while not use.
390 +)))
391 +1. (((
392 +Avoid the probes to touch oily matter. Which will cause issue in accuracy.
393 +)))
394 +1. (((
395 +The probe is IP68 can be put in water.
397 397  
398 398  
399 -**After stable, user can use below command to calibrate.**
398 +
399 +)))
400 400  
401 +== 2.7 Calibration ==
401 401  
402 -|**pH buffer solution**|**AT Command to calibrate**|**Downlink Command**|**Read Cal Value**
403 -|**4.00**|**AT+PHCAL=4**|(((
404 -**0x13 04**
403 +User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable).
405 405  
406 -**Reply with Calibrate payload**
407 -)))|(((
408 -**AT+PHCAL=?**
405 +After stable, user can use below command to calibrate.
409 409  
410 -**Example 41,61,91**
411 -)))
412 -|**6.86**|**AT+PHCAL=6**|(((
413 -**0x13 06**
407 +[[image:image-20220607144936-3.png]]
414 414  
415 -**Reply with Calibrate payload**
416 -)))|**AT+PHCAL=?**
417 -|**9.18**|**AT+PHCAL=9**|(((
418 -**0x13 09**
419 419  
420 -**Reply with Calibrate payload**
421 -)))|**AT+PHCAL=?**
422 -|**Factory Default**|**AT+PHCAL=15**|(((
423 -**0x13 15**
424 424  
425 -**Reply with Calibrate payload**
426 -)))|(((
427 -**AT+PHCAL=?**
411 +(% style="color:#037691" %)**Calibration Payload**
428 428  
429 -**Example 151**
430 -)))
431 -
432 -Calibration Payload
433 -
413 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
434 434  |(((
435 435  **Size**
436 436  
... ... @@ -445,25 +445,22 @@
445 445  
446 446  Calibrate value
447 447  )))|Reserve|(((
448 -[[Message>>path:#Message_Type]]
428 +[[Message Type>>||anchor="H2.3.6MessageType"]]
449 449  
450 -[[Type>>path:#Message_Type]]
451 -
452 452  Always 0x03
453 453  )))
454 454  
455 455  User can also send 0x14 downlink command to poll the current calibration payload.
456 456  
435 +[[image:image-20220607145603-4.png]]
457 457  
458 -|**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
459 -|Get Calibration Version Info|Any|14|2
460 -
461 461  * Reply to the confirmation package: 14 01
462 462  * Reply to non-confirmed packet: 14 00
463 463  
464 -1.
465 -11. Frequency Plans
466 466  
441 +
442 +Frequency Plans
443 +
467 467  The LSPH01 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.
468 468  
469 469  1.
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