Ultrasonic Range Finder 4-20HR-MB7480

Introduction

The weather resistant 4-20HR‑MaxSonar‑WR is a rugged, ultrasonic sensor component  module that features the industry standard 4-20mA analog current interface. This  outdoor sensor provides very short- to long- distance detection and ranging in a compact,  robust PVC housing. This ultrasonic sensor meets the IP67 water intrusion standard and  matches standard electrical 3/4‑inch PVC pipe fittings.

High-output, acoustic power, combined with continuously variable gain,  real‑time background automatic calibration, real‑time waveform signature analysis, and noise rejection algorithms results in virtually noise free distance readings. This holds true even in the presence of many of the various  acoustic or electrical noise sources. The 4‑20HR‑MaxSonar-WR sensors are factory calibrated to match narrow sensor beam patterns and provide reliable long-range  detection zones.

The MB7480 4-20HR-MaxSonar-WR sensor has an inverted 4-20mA signal where 20mA signifies that the sensor is reporting the minimum reported distance and 4mA signifies the maximum reported distance for the sensor.

Specifications/Features

• Resolution of ~1.6mm
• Analog current output of 4-20mA
• 7.5Hz read rate
• 42kHz ultrasonic sensor measures distance to objects
• RoHS compliant
• CE compliant
• Internal or external temperature compensation
• Virtually no sensor dead zone, objects closer than 50cm typically range as 50cm
• Maximum Range of 5-meters (196 inches)
• Operates from 10V-32VDC
• <40mA average current requirement
• Small, light‑weight module
• Designed for easy integration into your project or product
• Operational temperature -40°C to +65°C (-40°F to +149°F)
• Real-time automatic calibration (voltage, humidity, and ambient noise)
• Firmware filtering for excellent noise tolerance and clutter rejection
• Weather resistant (IP67), optional chemical resistant F-Option
• Matches standard electrical 3/4-inch PVC pipe fittings for easy mounting (3/4-inch National Pipe Thread Straight)
• Long, narrow detection zone
• Base sensor that is great for application testing
• 4mA is the minimum reported range and 20mA is maximum reported range

Note:

Sensor part numbers are combination of a six characters base followed by a dash and three digit product code.For more details about product code Click Here

Dimensions

Documents

4-20HR-WR sensor datasheet
4-20HR-WR sensor Beam width explanation
Maxbotics FAQ

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