> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Wireless Mains Power Monitor - Channel 3 Transmitter

**Type:** Product page · **SKU:** AP8139
**Page:** https://core-electronics.com.au/wireless-mains-power-monitor-channel-3-transmitter.html ([markdown](https://core-electronics.com.au/wireless-mains-power-monitor-channel-3-transmitter.html.md))

## Retired product

This product is retired and no longer available for purchase. Search the catalogue for an alternative.

## How to buy

- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

Channel 3 transmitter for use with P 8137. 
 
**Forms a complete 3 channel system when purchased with:** 
P 8137 Wireless Energy Monitor (includes Channel 1 transmitter) 
P 8138 Wireless Energy Monitor Transmitter Channel 2

**Downloads**

- Instructions

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/w/i/wireless_mains_power_monitor_channel_3_transmitter__p8139__00.jpg)