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PLEASE NOTE - THESE PRODUCTS HAVE BEEN DISCONTINUED AND ARE NO LONGER AVAILABLE

for alternatives see: MassaSonic^TMultrasonic sensors

Ultrasonic ranging modules & transducers

Precision non-contact distance measurement

Rugged OEM modules & ultrasonic sensor range

New sealed 316 stainless steel sensors

Harsh environment industrial & military designs

Low cost easy to install OEM solution

Bulk & liquid levels, profile or thickness gauge

Automated filling, mechanical positioning

Uses in robotics, industrial & military applications

Web tension & position, paper roll diameters

Palletiser automation & high speed counting

Ideal for chemical, food & pharmaceuticals

Manufactured by Massa Products Corp

Precision Ultrasonic Non-Contact Distance Measurement

The Massa Ultrasonic Ranging Module is a precision electronic measurement device which includes an interface electronics module and one or two ultrasonic transducers, depending on the model selected. The ranging module provides the OEM with a proportional LATCH output pulse, relative to the time required for the sound to travel between the transmit and receive transducers. The LATCH pulse width may be processed through additional circuitry for applications requiring position, level, profile or thickness measurements. The module assemblies including the transducers weigh only 4-6 oz, are compact and easy to mount directly on to a printed circuit board if required.

Internally or externally triggered, target distance ultimately limits the maximum pulse repetition rate. A maximum rate of 150 Hz is possible when targets are less than one foot distant; refer to individual module specifications for rep rate limits. For internal triggering, the pulse repetition rate is programmable via a single external resistor.

The E-201 B Series utilises two transducers, one to transmit and one to receive acoustic pulses. This arrangement allows them to be mounted side-by-side for an echo ranging application or mounted opposing one another for high speed counting or accurate measurements at over twice the range possible with echo ranging. Two transducer echo-ranging configurations also provide shorter minimum target distances, required for certain applications. The E-220B Series utilises a single transducer for both sending and receiving acoustic pulses. This arrangement is ideal for applications where a limited area is available for mounting the sensor. Minimum target distance is slightly farther than two-transducer configurations.