MB7489 4-20HR-MaxSonar-WRMI

MB7489 4-20HR-MaxSonar-WRMI

From: $199.95

Ranges from 500mm to 5000mm with 7.5Hz read rate. 20mA minimum range and 4mA maximum range. Reports range to largest target.

Clear

F-Option (IP68) * – optional

Yields a stronger seal for IP68 compliance and operation near harsh chemicals. Select this option on the applicable product page to purchase.

P-Option * – optional

Coats the aluminum transducer of our WR sensors in Parylene to help prevent corrosion. Select this option on the applicable product page to purchase.

Shielded Cable Attach * – optional

Connects shielded cable to the pin-out below a sealed cap providing a full IP67 seal. Select this option on the applicable product page to purchase.

Additional Wire Length – optional

(1ft = 1 Qty)

Description

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 4-20HR-MaxSonar-WRM sensors are equipped with filtering firmware which allows the sensor to ignore smaller targets and noise, and still report the target that gives the largest acoustic return. (The sensor will also reject periodic noise, even noise that has a higher amplitude than the acoustic return from the target.) This gives users the flexibility to consistently range larger targets in the presence of clutter and noise. If the largest target is removed from the field of view, the 4-20HR-MaxSonar-WRM will switch to the target that gives the next largest detectable return.

The Most-Likely filter is designed to report the distance to the largest acoustic return while ignoring smaller targets. When targets are of similar amplitude reflections, preference is given to the closest target.

The MB7489 4-20HR-MaxSonar-WRMI 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.

MB7369 is the non 4-20mA version of this sensor line.
MB7480 is the standard version of this sensor.

Models with additional chemical resistance are available

The F-Option (IP-68) design modification provides our weather resistant sensors with extra protection against corrosive chemical environments. Ask for the F‑Option (IP-68) when ordering.

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