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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 Name | 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 |
| Image |
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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 | -10℃～＋70℃ | -10℃～＋70℃ | -10℃～＋70℃ | -10℃～＋70℃ | -10℃～＋70℃ |
| Operating Voltage | DC 3.3～5.5V | DC 6～12V | DC 6～12V | DC 6～12V | DC 6～12V |
| Acoustics Degree | 60° | 15° | 15° | 15° | 15° |
| Acoustics Frequency | 40KHZ | 50KHZ | 50KHZ | 50KHZ | 50KHZ |
| Range | 2cm～800cm | 20cm～1000cm | 20cm～1000cm | 20cm～1000cm | 20cm～1000cm |
| 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;
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Corrosion-resistant PVC housing;
Screw-free wiring port;
Narrow beam class linear directional detection;
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| Applications |
Education robot omnidirectional obstacle ranging;
Underground parking space monitoring;
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High-voltage line-to-ground barrier avoidance;
Narrow space obstacle detection | |||
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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 |
| Image |
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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 | -10℃～＋70℃ | -10℃～＋70℃ | -10℃～＋70℃ | -10℃～＋70℃ | -10℃～＋70℃ |
| Operating Voltage | DC 3.3～5.5V | DC 6～12V | DC 3.3～5.5V | DC 3.3～5.5V | DC 9～24V |
| Acoustics Degree | 60° | 60° | 60° | 60° | 15° |
| Acoustics Frequency | 40KHZ | 40KHZ | 40KHZ | 40KHZ | 40KHZ |
| Range | 20cm～750cm | 35cm～550cm | 2cm～500cm | 2cm～500cm | 70cm～1500cm |
| 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;
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High sensitivity large area detection;
Full structure shielding;
Real-time calibration over the operating temperature range;
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Efficient I2C communication mode;
Configurable detection range;
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Analog voltage output;
No need to control, plug and play;
Automatic measurement, real-time output;
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Large reliable detection range;
All-round protection design;
Corrosion-resistant and anti-pollution ABS materials;
Narrow beam linear directional detection;
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| 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; |
