> **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

# USB Current Voltage Ammeter Tester

**Type:** Product page · **SKU:** CE05350 · **Brand:** [Core Electronics](https://core-electronics.com.au/brands/core-electronics-australia)
**Page:** https://core-electronics.com.au/usb-current-voltage-ammeter-tester.html ([markdown](https://core-electronics.com.au/usb-current-voltage-ammeter-tester.html.md))

This Handy little USB Testing device will help you debug any problems USB ports by letting you simultaneously monitor the voltage and current usage of the attached devices.

## Pricing

- **Price:** $6.70 (inc GST) — $6.09 AUD, exc GST
- **Quantity discounts:** 10+ $5.48 (exc GST) · 50+ $5.18 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 3 today; more stock is typically available with a 8–12 day lead time.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=CE05350:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/CE05350:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **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

Having power problems with your USB or just curious about how much current your USB device or phone is drawing? This Handy little device is the answer to your debugging dreams! Features

- Monitors USB voltage (3-9V) within 1%
- Measures total draw of connected devices (0-3A) within 1%
- Simultaneous display of voltage and current.
- 2 USB outputs allow you to test multiple devices together.

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/c/e/ce05350-1.jpg)