Energy Harvesting Wireless Sensor
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Energy Harvesting - No batteries or electrical wiring required
The harvi is an essential part of the installation process if you want to save time and money. It has many great qualities including eliminating unsightly wiring around the home.
This intelligent device enables our products to be installed without using a hardwired current transformer. The harvi prevents the need to lift up floors and disrupt home decor. It’s patented technology is the only one of its kind, harvesting it’s own power from the CT clamps, removing the need for batteries or an external power supply.

Full description
Technical Specifications
CT inputs | 3 inputs enable 3-phase or multi-point power measurement |
Measurement Range | 25W to 15W (50Hz AC, import and export) |
Energy Harvesting Range | 0.2A to 65A (including reactive current) |
Accuracy | 2.0% typical |
Transmission Rate | 1s @ 1A+, <10s @ 0.5-1A, <30s @ <0.5A |
Wireless Interface | 868MHz/915MHz |
Mounting Location | Indoor only (can be housed in an IP rated plastic box, if required) |
Operating Temperature | -30°C to +50°C |
Dimensions | 98 x 98 x 36 |
Patented Technology | Patent No: GB2562550 |
- Wireless power sensor
- Energy harvesting – no batteries or electrical wiring required
- Uses standard CTs supplied with eddi & zappi products
- 3 CT inputs for 3-phase supplies
- Grid/Generation/Storage measurement Configurable
- Fast & accurate measurement
- Wall mountable
- Allows flexibility to all myenergi installs