Introduction

This URM12 from DFRobot is a long range ultrasonic distance sensor designed for distance ranging or obstacle avoidance applications. The sensor offers up to 1500cm detection distance, 3Hz measuring frequency and 15 detection angle. It adopts RS485 communication interface and supports standard Modbus-RTU communication protocol, which is suitable for level measurement, robot obstacle avoidance and so on.

URM12 Beam Angle

DFRobot Ultrasonic Sensor Selection Guide

Product Na me	URM37 Ultrasonic Sensor	URM06-RS485 Ultrasonic Sensor	URM06-UART Ultrasonic Sensor	URM06-PULSE Ultrasonic Sensor	URM06-ANALOG Ultrasonic Sensor
SKU	SEN0001	SEN0149	SEN0150	SEN0151	SEN0152
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Structure	Open Divided Send and Receive	Open United Send and Receive	Open United Send and Receive	Open United Send and Receive	Open United Send and Receive
IP Grade	NO	NO	NO	NO	NO
Working Temperature	-1070	-1070	-1070	-1070	-1070
Operating Voltage	DC 3.35.5V	DC 612V	DC 612V	DC 612V	DC 612V
Acoustics Degree	60	15	15	15	15
Acoustics Frequency	40KHZ	50KHZ	50KHZ	50KHZ	50KHZ
Range	2cm800cm	20cm1000cm	20cm1000cm	20cm1000cm	20cm1000cm
Resolution	1cm	1cm	1cm	1cm	1cm
Deviation	1%	1%	1%	1%	1%
Sensitivity Level	5	5	5	5	5
Communication Interface	RS232/UART/ANALOG	RS485	UART	PULSE	ANALOG
Features	Multi-interface integration; Automatic gain adjustment; Automatic control of ranging;	Corrosion-resistant PVC housing; Screw-free wiring port; Narrow beam class linear directional detection;
Applications	Education robot omnidirectional obstacle ranging; Underground parking space monitoring;	High-voltage line-to-ground barrier avoidance; Narrow space obstacle detection

Product Name	URM07-UART Ultrasonic Sensor	URM08-RS485 Ultrasonic Sensor	URM09-I2C Ultrasonic Sensor	URM09-ANALOG Ultrasonic Sensor	URM12 Ultrasonic Sensor
SKU	SEN0153	SEN0246	SEN0304	SEN0307	SEN0310
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Structure	Open United Send and Receive	Closed United Send and Receive	Open Divided Send and Receive	Open Divided Send and Receive	Closed United Send and Receive
IP Grade	NO	IP65	NO	NO	IP65
Working Temperature	-1070	-1070	-1070	-1070	-1070
Operating Voltage	DC 3.35.5V	DC 612V	DC 3.35.5V	DC 3.35.5V	DC 924V
Acoustics Degree	60	60	60	60	15
Acoustics Frequency	40KHZ	40KHZ	40KHZ	40KHZ	40KHZ
Range	20cm750cm	35cm550cm	2cm500cm	2cm500cm	70cm1500cm
Resolution	1cm	1cm	1cm	1cm	1cm
Deviation	1%	1%	1%	1%	1%
Sensitivity Level	3	6	4	4	6
Communication Interface	UART	RS485	I2C	ANALOG	RS485
Features	Ultra-low power consumption; Small, streamlined design;	High sensitivity large area detection; Full structure shielding; Real-time calibration over the operating temperature range;	Efficient I2C communication mode; Configurable detection range;	Analog voltage output; No need to control, plug and play; Automatic measurement, real-time output;	Large reliable detection range; All-round protection design; Corrosion-resistant and anti-pollution ABS materials; Narrow beam linear directional detection;
Applications	Aircraft height; Indoor IoT Devices; Line product counting;	Collision prevention of industrial transport facilities; Unattended guards; Anti-theft alert;	Robotics education; Indoor robot assisted barrier avoidance;	Robotics education; Indoor robot assisted barrier avoidance;	River water level detection; Chemical tank level detection;