IoTaWatt is very popular down-under because of it’s robust three-phase capabilities and ability to upload to PVoutput. But there are challenges to making it economically viable. The voltage transformers are heavy and expensive with the unique plug type. Shipping from China to the USA and back down to Australia is not only expensive, it leaves a huge carbon footprint.
Fortunately, there are a couple of local sources for these and a few early users sent samples that were calibrated and added to the tables. You can pick these items up locally and use them with the same confidence as the Euro plug VT sold here. While you’re at it, you should order a native plug micro-usb power supply.
The 9VAC transformer models are:
Micro USB from above suppliers per their catalogs:
Basic bundle requires minimum:
- IoTaWatt Base
- 1 – Mains CT
- 3 – 50A CT’s
- additional ECS16-100 100A CT
- additional ECS10-50 50A CT
- additional ECOL09 50A Solid-core CT
- The basic bundle weighs less than 2 lbs and ships for flat-rate $15. If optional components increase the weight beyond 2 lbs, shipping increases to $25 flat-rate up to 4 lbs.