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Product category: Monitoring and sensor equipment and systems
News Release from: Vydas International Marketing | Subject: M-300/150 and M-300/95 smart ultrasonic sensors
Edited by the Manufacturingtalk Editorial Team on 14 November 2007

Smart ultrasonic sensors have long range

Long range ultasonics sensors use the latest microprocessor technology to provide low cost precision non-contact distance measurement for factory automation.

The MassaSonic M-300/150 and M-300/95 smart ultrasonic sensors offer longer ranges The M-300/150 detection range is up to 2.5m and the M-300/95 is up to 4.5m

Vydas International Marketing said that the sensors complement the established M-300/210, which has a range approximately from 100mm up 1.3m maximum.

Manufactured by Massa Products Corp in the USA, the M-300 ultrasonic sensor design uses the latest ultrasonic and microprocessor technology to provide low cost precision non-contact distance measurement for factory automation or industrial process control.

Vydas told manufacturingtalk.com that Massa has been producing ultrasonic transducers that operate in air for industrial applications for over fifty years.

Applications include liquid and bulk level detection, mechanical positioning, roll diameter measurement, web loop monitoring, counting, position location, automatic filling operations, profiling, collision avoidance, web break detection and tensioning, automatic packaging, ultrasonic intrusion alarms, paper and plastics film processing and even an automatic scoring system for ten-pin bowling.

The M-300 series ultrasonic sensors are affordable yet provide the following.

* Extraordinary ease of operation.

* Genuinely user-friendly software.

* Versatility in user-controlled outputs.

* Ability to be set up without using a target.

The sensor transmits narrow beam sound pulses at a user-selected rate (or it can be software triggered), processes return echoes, and produces several outputs dependent on the position of the target.

* Several different models - operating from 12 to 24V DC, the M-300 Family includes several sensor models that operate at different ultrasonic frequencies with different ranges.

A linear output of 0 to 10V DC is provided, which is proportional to the measured distance to the target from the minimum detection distance to the nominal maximum target distance specified for the particular M-300 model.

This output voltage range, however, can be easily reprogrammed to start and end anywhere between 0 and 10V DC.

The corresponding target distance span can also be set to start and stop at any two target ranges.

This output voltage can also be programmed to operate as a digital switch at a specified target setpoint distance.

* Programming - the system parameters and outputs are programmable via an RS-485 data link, thereby eliminating problems associated with adjustment potentiometers or pushbuttons.

Some additional programmable adjustments include the following.

* Analog output slope.

* Sampling rate.

* Averaging of multiple distance measurements.

* Loss-of-echo time-out.

* Setpoint hysteresis when operating in the digital switch mode.

* Software sensor transmit trigger.

The M-300 ultrasonic sensors user-friendly software operates with Windows operating systems using an RS-232/RS-485 or USB/RS-485 converter.

This data link allows up to 32 sensors to be on the same multi-drop communications network using the supplied protocol.

This network also allows users to remotely program their sensors and read ranges for quick integration into their process control application.

For users that prefer not to use a PC, the sensors can be programmed at the factory to the customer's exact specifications for true 'plug and play' operation.

Other features of the M-300 ultrasonic sensor include the following.

* A totally sealed PVC housing containing an industry standard 1in NPT fitting for mounting.

* Operation from -20 deg C to 65 deg C with built-in temperature compensation.

* Diagnostic and monitoring outputs.

* Protection from over-voltage, short circuits, and reverse polarity. Request a free brochure from Vydas International Marketing ...

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