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The HRLV-MaxSonar-EZ (MB1013) is a high-resolution ultrasonic distance sensor with 1 mm resolution and a range of up to 5 metres. It features multiple output...

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The HRLV-MaxSonar-EZ (MB1013) is a high-resolution ultrasonic distance sensor with 1 mm resolution and a range of up to 5 metres. It features multiple output formats, internal temperature compensation, virtually no dead zone, and a calibrated beam pattern — making it an excellent all-round choice for distance sensing applications.

Operating from 2.5V to 5.5V with just 3.1 mA average current draw, it's well suited for battery-powered and low-voltage projects. The sensor automatically calibrates for voltage, humidity, acoustic noise, and temperature before every reading.

Key Features

  • 1 mm Resolution – Calibrated accuracy of 0.1% at 1 metre
  • 30 mm–5000 mm Range – Virtually no dead zone; objects closer than 30 cm report as 30 cm
  • Multiple Outputs – Analog voltage, RS232 or TTL serial, and pulse width
  • Internal Temperature Compensation – Built-in sensor adjusts for speed-of-sound changes
  • External Temperature Support – Optional HR-MaxTemp sensor for real-time compensation without self-heating drift
  • Low Power – 2.5V–5.5V operation, 3.1 mA average current
  • Calibrated Beam Pattern – Controlled beam rejects clutter and false triggers from side lobes
  • Auto-Calibration – Compensates for voltage, humidity, ambient noise, and temperature
  • 10 Hz Reading Rate – Suitable for real-time distance monitoring

Specifications

  • Sensor Frequency – 42 kHz ultrasonic
  • Operating Voltage – 2.5V–5.5V
  • Current Draw – 3.1 mA average (free ranging)
  • Resolution – 1 mm (0.04")
  • Maximum Range – 5000 mm (195")
  • Operating Temperature – −15°C to +65°C
  • Dimensions – 22 × 20 × 25 mm
  • RoHS Compliant

Package Contents

  • 1× HRLV-MaxSonar-EZ1 (MB1013)

Resources

Jargon buster

Plain-language definitions for the technical terms used above.

Temperature compensation
Temperature compensation means the sensor adjusts its readings to reduce errors caused by changes in water temperature. This matters for field monitoring because ponds, rivers, and tanks can vary in temperature throughout the day and across seasons.
TTL serial
A simple serial data connection that uses microcontroller logic-level signals rather than computer RS-232 voltage levels. It matters because the camera can connect directly to many microcontroller pins or a USB-to-TTL serial adapter, but not safely to an old-style RS-232 port without conversion.

Supplier page — dfrobot.com

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