How does it work:
- When electricity flows, it generate a magnetic field. The app detects the change in these magnetic fields through the magnetometer/compass in your smartphone. At the moment, we only detect if electricity is flowing or not.
- Place your phone in close proximity to the motor of a fridge or at a point of maximum magnetic field dispersion e.g. on the plug or alternatively on the cable. Try different orientation ie vertical horizontal. A narrow bar on the right of the display shows the instantaneous value of the magnetic field to assist with optimum placement.
NOTE: Do not place your phone on un-insulated conductors, you will get shocked and may damage your phone!
- There are two measurement modes
1. Free running
2. Timer based - useful for doing overnight tests of standby consumption.
- The power consumption of the appliance needs to be configured - default is 1 kW
(Or use the new experimental analogue algorithm to determine how much your appliance is using)
- The currency and costs per kilowatt can be configured - currency is auto-detected and the rate is defaulted at $ 0.12/kWH
- Due to different board layouts in smartphones and the use of different magnetometers it may be required to adjust the detection settings. There are 2 algorithms available:
1. Historical (Default)
Default values: Magnetic sensitivity of 0.8, sample depth of 50, and number of matching samples 20%.
2. Past Average
Default values: Magnetic sensitivity of 5.0, average period of 10 seconds
Please provide us with feedback on what works for you and your smartphone. ([email protected])
Use Cases:
- Providing information around discretionary and base costs associated with HVAC appliances (Fridge , deep freeze, heater, hot water cylinder (geyser)) by monitor use and standby consumption.
- Support business cases of switching to more efficient and or smaller appliances for example comparing consumption with quarterly costs of highest efficiency fridges on the market
- Finding defect of partially defect appliances i.e. permanently on deep freeze not reaching its target temperature
- Determining what the cost difference is between taking a shower versus a bath
In effect, you can use your smartphone as a non-intrusive smart meter.
Please provide us with feedback.
The default settings were tested on an HTC Desire.
NOTE: The primary intent of providing the magnetometer on the smart phones is for compass functionality. Compass functionality may have opposing goals to the goals of the energy watchdog. The compass would aim at suppressing of 50Hz mains interference while energy watchdog relies on detecting of 50 Hz signals. The suppression of 50Hz interference may under certain circumstances e.g. temperature variantions reduce the sensitivity of the energy watchdog for detecting mains induced magnetic field changes . in best case scenarios i.e. when measuring on extension plugs that disperse the magnetic field sensitivity of 90 and better has been achieved.
We do not host Energy Watchdog on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Galad and passed their terms and conditions to be listed there. We recommend caution when installing it.
The APK Download link for Energy Watchdog is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
If you have questions regarding this particular app contact the publisher directly. For questions about the functionalities of apps112.com contact us.
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| Downloads: 9 | ||||
| Updated At: 2024-04-19 20:46:43 | ||||
| Publisher: EnergyLabs | ||||
| Operating System: Android | ||||
| License Type: Free |