Re: [weewx-user] water tank level monitoring ?

[Graham Eddy]

i continue to run my old pressure river level sensor with my new ultrasound 
river level sensor.
i found the cable from pressure sensor (at river bottom) to prioprietary 
transmitter (above flood level) very inconvenient, whereas ultrasound 
sensor/transmitter are together (above flood level), much more convenient.
as i am measuring out in the open, i don’t have the echo issues described for a 
tank. but i will add that there are pressure sensors avail for LoRaWAN.
cheers
⊣GE⊢

> On 19 Apr 2023, at 3:41 am, MikeQ  wrote:
> 
> Having worked on industrial water systems for many years, I highly recommend 
> you use a pressure transducer to measure water tank levels instead of 
> ultrasonics.  I have a 2500 gal poly irrigation tank in my yard with a 
> booster pump.  It was there when I bought the house so I didn't get to pick 
> the tank and I had to use an ultrasonic in the top of tank as there were no 
> locations to mount a pressure transducer at the bottom of the tank.  
> Ultrasonics in tanks need to be mounted in the middle of the tank so they are 
> not effected by the tank walls, and at low water levels you can have issues 
> with the signal bouncing off the bottom of the tank.  Even with a good 
> mounting location, you are going to have some echo in a closed tank and that 
> will make your signal less stable.

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Re: [weewx-user] water tank level monitoring ?

[weatherl...@gmail.com]

Matthew, do you have a site showing the details of how you have connected 
up the Maxbotix nd associated devices?

On Monday, April 17, 2023 at 12:50:48 PM UTC-4 matthew wall wrote:

>
>
> On 16 Apr 2023, at 19:38, Tim Tuck  wrote:
>
> Just wondering if anyone has network attached water tank level meters ?
>
> Also wondering if anyone has such things integrated with Weewx ?
>
>
> for many years i have been using maxbotix sensors to measure water tank 
> levels and tides.
>
> https://maxbotix.com/
>
> the sensors are not 'network attached' - they have serial output, which 
> you can connect to a computer then read using the weewx-maxbotix driver:
>
> https://github.com/matthewwall/weewx-maxbotix
>
> attached screen shot shows output from a maxbotix 7363 and a davis vantage 
> pro, collected by weewx, stored in influxdb, and presented using grafana.
>
> dave sprague has been using a radar sensor for a long-term tide 
> measurement comparision.  
>
> https://edgecollective.io/projects/belfast/
>
> the radar sensors cost 8-10 times more than the ultrasonic sensors, with 
> higher power requirements.  the results so far have been pretty close, 
> although if you are in extreme cold conditions then you should consider the 
> separate temperature sensor for the ultrasonics so that they can do 
> additional corrections for the speed of sound in cold air.
>
> btw, be sure to coat your ultrasonic sensors.  we were monitoring water 
> levels in freshwater tanks, and the (mild) chlorination that was applied to 
> the water as it was pumped out of a quarry ended up corroding the aluminum 
> sensor membrane.  similarly, we got salt encrustation on the sensors when 
> measuring tides.  a thin silicone coating prevented the corrosion.
>
> m
>
>
>

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Re: [weewx-user] Disdrometer or Present Weather Sensor

[Karen K]

I can present a web page 
 now displaying 
the readings of the disdrometer.

Tom Keffer schrieb am Sonntag, 16. April 2023 um 03:51:04 UTC+2:

> I admit to looking up "disdrometer".  I've seen them around, but didn't 
> know what they are called. Pretty nice instrument! 
>
> On Sat, Apr 15, 2023 at 8:15 AM Karen K  wrote:
>
>> I got an Ott Parsivel2 disdrometer some days ago. So I started to write 
>> an extension to WeeWX to receive data from that device. The extension 
>> includes saving the data to a separate database, that is created 
>> automatically from the device configuration.
>>
>> The device supplies the following data:
>>
>>- present weather code WMO 4677, WMO 4680, METAR, and NWS (it can 
>>distinguish between rain, snow, hail etc.)
>>- rain rate and snow rate (3 decimals)
>>- rain
>>- MOR (visibility)
>>- radar reflectivity factor dBZ
>>- particle counting data
>>- device monitoring data
>>
>> [image: IMG_5467-800.jpg]
>>
>> The extension is still work in progress.
>>
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>>  
>> 
>> .
>>
>

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[weewx-user] Re: Switch off graphics / data

[vince]

Which skin ?

The general answer is the old sysadmin credo of "when in doubt...comment it 
out"


On Tuesday, April 18, 2023 at 11:07:18 AM UTC-7 Albin von Moos wrote:

> Hello
> how can I switch off the data "room temperature" "" room air moisture 
> "and" temperature1" so that they no longer appear in the summary and in the 
> graphics? However, the "PNG" files should still be created in order to be 
> able to use them elsewhere.
>
>

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[weewx-user] Switch off graphics / data

[Albin von Moos]

Hello
how can I switch off the data "room temperature" "" room air moisture "and" 
temperature1" so that they no longer appear in the summary and in the 
graphics? However, the "PNG" files should still be created in order to be 
able to use them elsewhere.

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Re: [weewx-user] water tank level monitoring ?

[MikeQ]

Having worked on industrial water systems for many years, I highly 
recommend you use a pressure transducer to measure water tank levels 
instead of ultrasonics.  I have a 2500 gal poly irrigation tank in my yard 
with a booster pump.  It was there when I bought the house so I didn't get 
to pick the tank and I had to use an ultrasonic in the top of tank as there 
were no locations to mount a pressure transducer at the bottom of the 
tank.  Ultrasonics in tanks need to be mounted in the middle of the tank so 
they are not effected by the tank walls, and at low water levels you can 
have issues with the signal bouncing off the bottom of the tank.  Even with 
a good mounting location, you are going to have some echo in a closed tank 
and that will make your signal less stable.

I run my sensors into a PLC but I believe Matthew has a 1-Wire driver for 
weewx (https://github.com/matthewwall/weewx-owfs).  You could buy a 
standard industrial pressure transducer which will measure 0-100 inches of 
water column, connect that to a 1-Wire current loop transmitter, connect 
the transmitter to a 1-Wire / USB Adapter to get the level into a PC and 
into weewx.   Links below for some hardware options.

https://www.automationdirect.com/adc/shopping/catalog/sensors_-z-_encoders/pressure_sensors/pressure_transmitters/ptd25-20-0100wch
https://www.paralanstore.net/teracom-systems/sensors-1-wire/teracom-1-wire-current-loop-transmitter-tsa200
https://www.mouser.com/ProductDetail/Analog-Devices-Maxim-Integrated/DS9490R?qs=sGAEpiMZZMtvgPjL1CTBXsN%2FJcYwIfV6830kDp%252BYR5Q%3D

You didn't say how many tanks you need to monitor, but if it is more than 
one you could get a micro-PLC with ethernet for a couple hundred dollars 
and it can send the data wherever you want with MQTT. 
On Monday, April 17, 2023 at 8:42:49 PM UTC-6 Graham Eddy wrote:

> i put a detailed description of lorawan river level/temp sensors under 
> weewx in this forum not long ago. a search will find it. cheers
> *⊣GE⊢*
>
> On 17 Apr 2023, at 9:38 am, Tim Tuck  wrote:
>
> Just wondering if anyone has network attached water tank level meters ?
>
> Also wondering if anyone has such things integrated with Weewx ?
>
>
>

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Re: [weewx-user] wee_reports fails

[Tom Keffer]

Which version of Python did you use?

On Tue, Apr 18, 2023 at 6:50 AM Cat22  wrote:

> Caught this in weewx.log
> CRITICAL __main__: Caught unrecoverable exception:
> CRITICAL __main__:   'StdReportEngine' object has no attribute
> 'isAlive'
> CRITICAL __main__:   Traceback (most recent call last):
> CRITICAL __main__: File
> "/usr/local/bin/weewx/bin/weewx/engine.py", line 195, in run
> CRITICAL __main__: 
>  self.dispatchEvent(weewx.Event(weewx.CHECK_LOOP, packet=packet))
> CRITICAL __main__: File
> "/usr/local/bin/weewx/bin/weewx/engine.py", line 224, in dispatchEvent
> CRITICAL __main__:   callback(event)
> CRITICAL __main__: File
> "/usr/local/bin/weewx/bin/weewx/engine.py", line 578, in check_loop
> CRITICAL __main__:   raise BreakLoop
> CRITICAL __main__:   weewx.engine.BreakLoop
> CRITICAL __main__: 
> CRITICAL __main__:   During handling of the above exception,
> another exception occurred:
> CRITICAL __main__: 
> CRITICAL __main__:   Traceback (most recent call last):
> CRITICAL __main__: File "/usr/local/bin/weewx/bin/weewxd",
> line 154, in main
> CRITICAL __main__:   engine.run()
> CRITICAL __main__: File
> "/usr/local/bin/weewx/bin/weewx/engine.py", line 202, in run
> CRITICAL __main__: 
>  self.dispatchEvent(weewx.Event(weewx.POST_LOOP))
> CRITICAL __main__: File
> "/usr/local/bin/weewx/bin/weewx/engine.py", line 224, in dispatchEvent
> CRITICAL __main__:   callback(event)
> CRITICAL __main__: File
> "/usr/local/bin/weewx/bin/weewx/engine.py", line 776, in
> launch_report_thread
> CRITICAL __main__:   if self.thread and self.thread.isAlive():
> CRITICAL __main__:  ^^^
> CRITICAL __main__:   AttributeError: 'StdReportEngine' object has
> no attribute 'isAlive'
>
> On Tuesday, April 18, 2023 at 6:27:26 AM UTC-7 Cat22 wrote:
>
>> I am getting a lot of core dumps now from weewx but i don't now how to
>> narrow it down to whats wrong.
>> What version of python does weewx 4.0.0 require?
>> On Monday, April 17, 2023 at 5:44:46 PM UTC-7 Cat22 wrote:
>>
>>> I implemented the changes and now it seems to be working - thanks!
>>>
>>> On Monday, April 17, 2023 at 4:58:20 PM UTC-7 Tom Keffer wrote:
>>>
 See issue #862 .

 Bottom line: it's a problem with Pillow V9.5.0. Either install an
 earlier version of Pillow, or install the weewx workaround.

 -tk

 On Mon, Apr 17, 2023 at 4:43 PM Cat22  wrote:

> A recent upgrade on openSuse Tumbleweed broke weewx 4.0.0. I fixed it
> by installing python 3.10 and the modules configobj, usb, Pillow, Cheetah3
> and pyserial. so now i get my web output ok but wee_reports fails, can
> anyone help me?
>
> # ./wee_reports
> Using configuration file /usr/local/bin/weewx/weewx.conf
> Generating for all time
> Traceback (most recent call last):
>  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 197, in
> run
>obj.start()
>  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 280, in
> start
>self.run()
>  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 41, in
> run
>self.genImages(self.gen_ts)
>  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 263, in
> genImages
>image = plot.render()
>  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 209, in
> render
>self._renderDayNight(sdraw)
>  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 245, in
> _renderDayNight
>sdraw.rectangle(((xleft,self.yscale[0]),
>  File "/usr/local/bin/weewx/bin/weeplot/utilities.py", line 420, in
> rectangle
>self.draw.rectangle(box_scaled, **options)
>  File "/usr/lib64/python3.10/site-packages/PIL/ImageDraw.py", line
> 294, in rectangle
>self.draw.draw_rectangle(xy, fill, 1)
> ValueError: y1 must be greater than or equal to y0
> Traceback (most recent call last):
>  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 197, in
> run
>obj.start()
>  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 280, in
> start
>self.run()
>  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 41, in
> run
>self.genImages(self.gen_ts)
>  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 263, in
> genImages
>image = plot.render()
>  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 209, in
> render
>self._renderDayNight(sdraw)
>  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 245, in
> _renderDayNight
>sdraw.rectangle(((xleft,self.yscale[0]),
>  File 

Re: [weewx-user] wee_reports fails

[Cat22]

Caught this in weewx.log
CRITICAL __main__: Caught unrecoverable exception:
CRITICAL __main__:   'StdReportEngine' object has no attribute 
'isAlive'
CRITICAL __main__:   Traceback (most recent call last):
CRITICAL __main__: File 
"/usr/local/bin/weewx/bin/weewx/engine.py", line 195, in run
CRITICAL __main__:  
 self.dispatchEvent(weewx.Event(weewx.CHECK_LOOP, packet=packet))
CRITICAL __main__: File 
"/usr/local/bin/weewx/bin/weewx/engine.py", line 224, in dispatchEvent
CRITICAL __main__:   callback(event)
CRITICAL __main__: File 
"/usr/local/bin/weewx/bin/weewx/engine.py", line 578, in check_loop
CRITICAL __main__:   raise BreakLoop
CRITICAL __main__:   weewx.engine.BreakLoop
CRITICAL __main__: 
CRITICAL __main__:   During handling of the above exception, 
another exception occurred:
CRITICAL __main__: 
CRITICAL __main__:   Traceback (most recent call last):
CRITICAL __main__: File "/usr/local/bin/weewx/bin/weewxd", line 
154, in main
CRITICAL __main__:   engine.run()
CRITICAL __main__: File 
"/usr/local/bin/weewx/bin/weewx/engine.py", line 202, in run
CRITICAL __main__:  
 self.dispatchEvent(weewx.Event(weewx.POST_LOOP))
CRITICAL __main__: File 
"/usr/local/bin/weewx/bin/weewx/engine.py", line 224, in dispatchEvent
CRITICAL __main__:   callback(event)
CRITICAL __main__: File 
"/usr/local/bin/weewx/bin/weewx/engine.py", line 776, in 
launch_report_thread
CRITICAL __main__:   if self.thread and self.thread.isAlive():
CRITICAL __main__:  ^^^
CRITICAL __main__:   AttributeError: 'StdReportEngine' object has 
no attribute 'isAlive'

On Tuesday, April 18, 2023 at 6:27:26 AM UTC-7 Cat22 wrote:

> I am getting a lot of core dumps now from weewx but i don't now how to 
> narrow it down to whats wrong.
> What version of python does weewx 4.0.0 require?
> On Monday, April 17, 2023 at 5:44:46 PM UTC-7 Cat22 wrote:
>
>> I implemented the changes and now it seems to be working - thanks!
>>
>> On Monday, April 17, 2023 at 4:58:20 PM UTC-7 Tom Keffer wrote:
>>
>>> See issue #862 .
>>>
>>> Bottom line: it's a problem with Pillow V9.5.0. Either install an 
>>> earlier version of Pillow, or install the weewx workaround.
>>>
>>> -tk
>>>
>>> On Mon, Apr 17, 2023 at 4:43 PM Cat22  wrote:
>>>
 A recent upgrade on openSuse Tumbleweed broke weewx 4.0.0. I fixed it 
 by installing python 3.10 and the modules configobj, usb, Pillow, Cheetah3 
 and pyserial. so now i get my web output ok but wee_reports fails, can 
 anyone help me?

 # ./wee_reports  
 Using configuration file /usr/local/bin/weewx/weewx.conf 
 Generating for all time 
 Traceback (most recent call last): 
  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 197, in 
 run 
obj.start() 
  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 280, in 
 start 
self.run() 
  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 41, in 
 run 
self.genImages(self.gen_ts) 
  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 263, in 
 genImages 
image = plot.render() 
  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 209, in 
 render 
self._renderDayNight(sdraw) 
  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 245, in 
 _renderDayNight 
sdraw.rectangle(((xleft,self.yscale[0]), 
  File "/usr/local/bin/weewx/bin/weeplot/utilities.py", line 420, in 
 rectangle 
self.draw.rectangle(box_scaled, **options) 
  File "/usr/lib64/python3.10/site-packages/PIL/ImageDraw.py", line 294, 
 in rectangle 
self.draw.draw_rectangle(xy, fill, 1) 
 ValueError: y1 must be greater than or equal to y0 
 Traceback (most recent call last): 
  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 197, in 
 run 
obj.start() 
  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 280, in 
 start 
self.run() 
  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 41, in 
 run 
self.genImages(self.gen_ts) 
  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 263, in 
 genImages 
image = plot.render() 
  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 209, in 
 render 
self._renderDayNight(sdraw) 
  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 245, in 
 _renderDayNight 
sdraw.rectangle(((xleft,self.yscale[0]), 
  File "/usr/local/bin/weewx/bin/weeplot/utilities.py", line 420, in 
 rectangle 
self.draw.rectangle(box_scaled, **options) 
  File "/usr/lib64/python3.10/site-packages/PIL/ImageDraw.py", 

Re: [weewx-user] wee_reports fails

[Cat22]

I am getting a lot of core dumps now from weewx but i don't now how to 
narrow it down to whats wrong.
What version of python does weewx 4.0.0 require?
On Monday, April 17, 2023 at 5:44:46 PM UTC-7 Cat22 wrote:

> I implemented the changes and now it seems to be working - thanks!
>
> On Monday, April 17, 2023 at 4:58:20 PM UTC-7 Tom Keffer wrote:
>
>> See issue #862 .
>>
>> Bottom line: it's a problem with Pillow V9.5.0. Either install an earlier 
>> version of Pillow, or install the weewx workaround.
>>
>> -tk
>>
>> On Mon, Apr 17, 2023 at 4:43 PM Cat22  wrote:
>>
>>> A recent upgrade on openSuse Tumbleweed broke weewx 4.0.0. I fixed it by 
>>> installing python 3.10 and the modules configobj, usb, Pillow, Cheetah3 and 
>>> pyserial. so now i get my web output ok but wee_reports fails, can anyone 
>>> help me?
>>>
>>> # ./wee_reports  
>>> Using configuration file /usr/local/bin/weewx/weewx.conf 
>>> Generating for all time 
>>> Traceback (most recent call last): 
>>>  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 197, in run 
>>>obj.start() 
>>>  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 280, in 
>>> start 
>>>self.run() 
>>>  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 41, in 
>>> run 
>>>self.genImages(self.gen_ts) 
>>>  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 263, in 
>>> genImages 
>>>image = plot.render() 
>>>  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 209, in render 
>>>self._renderDayNight(sdraw) 
>>>  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 245, in 
>>> _renderDayNight 
>>>sdraw.rectangle(((xleft,self.yscale[0]), 
>>>  File "/usr/local/bin/weewx/bin/weeplot/utilities.py", line 420, in 
>>> rectangle 
>>>self.draw.rectangle(box_scaled, **options) 
>>>  File "/usr/lib64/python3.10/site-packages/PIL/ImageDraw.py", line 294, 
>>> in rectangle 
>>>self.draw.draw_rectangle(xy, fill, 1) 
>>> ValueError: y1 must be greater than or equal to y0 
>>> Traceback (most recent call last): 
>>>  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 197, in run 
>>>obj.start() 
>>>  File "/usr/local/bin/weewx/bin/weewx/reportengine.py", line 280, in 
>>> start 
>>>self.run() 
>>>  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 41, in 
>>> run 
>>>self.genImages(self.gen_ts) 
>>>  File "/usr/local/bin/weewx/bin/weewx/imagegenerator.py", line 263, in 
>>> genImages 
>>>image = plot.render() 
>>>  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 209, in render 
>>>self._renderDayNight(sdraw) 
>>>  File "/usr/local/bin/weewx/bin/weeplot/genplot.py", line 245, in 
>>> _renderDayNight 
>>>sdraw.rectangle(((xleft,self.yscale[0]), 
>>>  File "/usr/local/bin/weewx/bin/weeplot/utilities.py", line 420, in 
>>> rectangle 
>>>self.draw.rectangle(box_scaled, **options) 
>>>  File "/usr/lib64/python3.10/site-packages/PIL/ImageDraw.py", line 294, 
>>> in rectangle 
>>>self.draw.draw_rectangle(xy, fill, 1) 
>>> ValueError: y1 must be greater than or equal to y0
>>>
>>>
>>> -- 
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>>> Groups "weewx-user" group.
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>>>  
>>> 
>>> .
>>>
>>

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