# QTR-HD-05A Reflectance Sensor Array: 5-Channel, 4mm Pitch, Analog Output

**Type:** Product page · **SKU:** POLOLU-4205 · **Brand:** [Pololu](https://core-electronics.com.au/brands/pololu-australia)
**Page:** https://core-electronics.com.au/qtr-hd-05a-reflectance-sensor-array-5-channel-4mm-pitch-analog-output.html ([markdown](https://core-electronics.com.au/qtr-hd-05a-reflectance-sensor-array-5-channel-4mm-pitch-analog-output.html.md))

This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to...

## Pricing

- **Price:** $11.35 (inc GST) — $10.32 AUD, exc GST
- **Quantity discounts:** 10+ $9.91 (exc GST) · 25+ $9.60 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 31 and Sep 02.

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/i/m/image_7281.jpg)