> **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

# Gravity: URM09 Analog Ultrasonic Sensor

**Type:** Product page · **SKU:** SEN0307 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/gravity-urm09-analog-ultrasonic-sensor.html ([markdown](https://core-electronics.com.au/gravity-urm09-analog-ultrasonic-sensor.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

####  Introduction 

 DFRobot URM09 is an [ultrasonic sensor](https://www.dfrobot.com/category-55.html) specially designed for fast ranging and obstacle avoidance applications. Its measuring frequency can reach up to 30Hz. The sensor adopts built-in temperature compensation and analog output. Meanwhile, it can provide accurate distance measurement within 500cm. The sensor is compatible with Arduino, Raspberry Pi or other main-control boards with 3.3V or 5V logic level. ####  Specification 

- Power Supply: 3.3~5.5V DC
- Operating Current: 20mA
- Operating Temperature: -10℃～＋70℃
- Measurement Range: 2cm～500cm
- Resolution: 1cm
- Accuracy: 1%
- Frequency: 30Hz Max
- Dimension: 47mm × 22 mm/1.85× 0.87”
 
 
####  Documents 

8. [Product wiki](https://wiki.dfrobot.com/URM09_Ultrasonic_Sensor_(Gravity_Analog)_SKU_SEN0307)
####  Shipping List 

- URM09 Ultrasonic Sensor (Gravity Analog) x1
- PH2.0-3P Connector x1

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/s/e/sen0307-detail-003.jpg)