Measuring real time gas consumption

[chris_j_hunter]

aha - learn something every day, never heard of the infamous one ... will be keeping an eye out hereon !

thanks again ...

[chris_j_hunter]

>30A rated meter on a 100A/80A fuse ...

yep, but was thinking only of using it with individual circuits, alongside the breaker (our house being star-wired, no ring mains) ...

NB: the particular example is offered at about half the price of any we've seen before ...

[chris_j_hunter]

eg: this example seems to have both types of CE mark :

https://www.amazon.co.uk/Greenblue-G...7CRXDQJ3MTRQXX

seems, anyway !

[alanharvey]

Here's my code required to get reads into Domoticz from Loop via PyLoopEnergy;

#!/usr/bin/python3
import pyloopenergy
import time
import urllib

def gas_trace():
  print("Gas =", le.gas_useage)
  f = "http://127.0.0.1/json.htm?type=command¶m=udevice&idx=18&svalue=%s" % int(le.gas_useage*1000)
  urllib.request.urlopen(f).read

def elec_trace():
  print("Electricity =", le.electricity_useage)
  f = "http://127.0.0.1/json.htm?type=command¶m=udevice&idx=17&svalue=%s" % int(le.electricity_useage*1000)
  urllib.request.urlopen(f).read

elec_serial = 'REMOVED';
elec_secret = 'REMOVED';

gas_serial = 'REMOVED';
gas_secret = 'REMOVED';

le = pyloopenergy.LoopEnergy(elec_serial, elec_secret, gas_serial, gas_secret, pyloopenergy.IMPERIAL, 39.1)
le.subscribe_gas(gas_trace)
le.subscribe_elecricity(elec_trace)

Just grab your serial and secrets from the Loop portal as described in the PyLoopEnergy instructions, create two dummy electricity sensors in Domoticz and update the IDX values in the script. You can also change from imperial to metric meter and alter the calorific value for the gas consumptions if required.

I have this running constantly using systemd on my Raspberry Pi Domoticz box and it feeds electricity reads in at a rate of one reading every 30 seconds and one every 15 minutes for gas which gives a fairly decent resolution to my graphs.

Help!
I'm a complete newbie to this forum, Evohome, Raspberry Pi and Python. I am clearly trying to run before I can walk. I've tried really hard to get this script to work but I keep getting the following error:-

Traceback (most recent call last):
File "/home/pi/looptst1.py", line 22, in <module>
le = pyloopenergy.LoopEnergy(elec_serial, elec_secret, gas_serial, gas_secret, pyloopenergy.IMPERIAL, 39.1)
AttributeError: 'module' object has no attribute 'LoopEnergy'

I would be very grateful for any assistance.
Thanks and Regards
Alan

[alanharvey]

Here's my code required to get reads into Domoticz from Loop via PyLoopEnergy;

#!/usr/bin/python3
import pyloopenergy
import time
import urllib

def gas_trace():
  print("Gas =", le.gas_useage)
  f = "http://127.0.0.1/json.htm?type=command¶m=udevice&idx=18&svalue=%s" % int(le.gas_useage*1000)
  urllib.request.urlopen(f).read

def elec_trace():
  print("Electricity =", le.electricity_useage)
  f = "http://127.0.0.1/json.htm?type=command¶m=udevice&idx=17&svalue=%s" % int(le.electricity_useage*1000)
  urllib.request.urlopen(f).read

elec_serial = 'REMOVED';
elec_secret = 'REMOVED';

gas_serial = 'REMOVED';
gas_secret = 'REMOVED';

le = pyloopenergy.LoopEnergy(elec_serial, elec_secret, gas_serial, gas_secret, pyloopenergy.IMPERIAL, 39.1)
le.subscribe_gas(gas_trace)
le.subscribe_elecricity(elec_trace)

Just grab your serial and secrets from the Loop portal as described in the PyLoopEnergy instructions, create two dummy electricity sensors in Domoticz and update the IDX values in the script. You can also change from imperial to metric meter and alter the calorific value for the gas consumptions if required.

I have this running constantly using systemd on my Raspberry Pi Domoticz box and it feeds electricity reads in at a rate of one reading every 30 seconds and one every 15 minutes for gas which gives a fairly decent resolution to my graphs.

Help!
I'm a complete newbie to this forum, Evohome, Raspberry Pi and Python. I am clearly trying to run before I can walk. I've tried really hard to get this script to work but I keep getting the following error:-

Traceback (most recent call last):
File "/home/pi/looptst1.py", line 22, in <module>
le = pyloopenergy.LoopEnergy(elec_serial, elec_secret, gas_serial, gas_secret, pyloopenergy.IMPERIAL, 39.1)
AttributeError: 'module' object has no attribute 'LoopEnergy'

I would be very grateful for any assistance.
Thanks and Regards
Alan

[DJBenson]

Hi

Stealing a bit of time whilst tea is cooking and the kids are occupied...

Have you installed the 'pyloopenergy' library?

If you open the python interpreter from the command line (just type "python" at a bash prompt) and then;

import pyloopenergy

If no errors are returned, then it's something else, if there are errors then you need to install the python library first.

Try the above and post back.

This (tiny) screenshot (click to enlarge it) shows my Pi with the correct outcome;
pyLoopEnergy.jpg

[G4RHL]

An interesting response from Loop when I contacted them yesterday with a query about their gas and electricity monitors:

'Due to problems sourcing components for manufacture we do not have any electricity stock available'

A strange way to run a business me thinks.

This has been the case with them for quite some time now. Many months.

[HenGus]

This has been the case with them for quite some time now. Many months.

My post is now a year old. Is Loop still trading?

[DJBenson]

This has been the case with them for quite some time now. Many months.

I really hope that’s not indicative of a problem. The devices are useless without Loop’s servers unless they update the dongle to provide local readings.

[dty]

Every now and then I mention that I reckon they've gone bust but paid for a 1 year or 3 year AWS rental up front, and nobody thought to turn it off...

But then I had cause to contact them about a month back and they were pretty responsive.

It does feel a lot like a business that's in trouble or at least has lost its way.

I'm considering swapping to Smappee. I like that their electricity monitor can measure power factor correctly. Plus they have a public API (and NodeRED components) which Loop doesn't have.