Massa Legacy Sensors

At the start of 2016 several Massa Ultrasonic Sensors have been updated and replaced by new MassaSonic® Series Ultrasonic Sensors.  MassaSonic PulStar® Series Sensors (replaces M-300 and M-320 Sensors), SonAire® Series Sensors (replaces M3 and M3is Sensors), mPulse® Series Sensors (replaces M-5000 Sensors), all are compatible with the Legacy Sensors and software.  We continue to support our Legacy Sensors – please see the information and downloads below.  For any other questions or information, feel free to Contact Us.

sonaire - Intrinsically Safe Ultrasonic Sensor

MassaSonic SonAire Series M3 and M3is Sensors

These sensors consist of battery operated wireless level sensors that intercommunicate using ZigBee RF Modules. These sensors produce detection ranges from 4 inches (100 mm) to 13 feet (4 m).  Longer ranges available for large quantity orders only – please consult our large measuring range level sensor factory.

Incorporating state-of-the-art ultrasonic technology, the sensors provide precision non-contact distance measurement for liquid level or industrial process control. The M3 stands out over all other systems because of their affordability, extraordinary ease of operation, and ability to be installed and calibrated without using a target. They transmit narrow beam sound pulses, process return echoes, and report the distance to the target. The sensor housing material is all Kynar (PVDF) to provide the ultimate in chemical resistance in the harshest industrial environments.

SonAire Sensors measure and store information such as range, temperature, battery voltage, and other sensor parameters at user-set time intervals. An internal pushbutton switch is used to commission the sensor onto the ZigBee network, and an LED identifies the operating mode. SonAire Sensors are RoHS compliant, and the package is rated for immersion and high-pressure washing in accordance with IP67. The batteries are commonly available lithium AA type and are easily accessible for replacement. Typical battery life is 2-4 years.

All SonAire Series Sensors are available in two versions. Standard SonAire M3 Sensors are designed for operation in typical industrial applications. For use in hazardous environments, intrinsically safe SonAire M3is Sensors are also available. SonAire M3is Sensors are certified by Factory Mutual as meeting the requirements of Class 1 Div 1 (C1D1), Groups C-G.  Contact a Massa Ultrasonic Level Sensor High Pressure Factory Specialist to discuss your specific sensing needs.

SonAire® M3 Wireless Ultrasonic Tank Level Sensor Developers Kit Guidepdf
This Kit provides an easy method to evaluate the Massa/Digi wireless tank level monitoring solution.  It is preconfigured to get the SonAire® M3 Wireless Sensor up and running quickly.


The SonAire® M3 Wireless Tank Level Monitoring Solution Evaluation Kit Includes:

Wireless Ultrasonic SensorOne of the following: SonAire® M3/150 for small tanks or SonAire® M3/95 for taller tanks.  Please consult the factory for special order solutions for very tall tanks.
Digi International X4 Gateway P/N X4-Z11-E-A (Zigbee to Ethernet), and Power Supply
USB to Serial Converter, Ethernet Cable, Null Modem Cable, and CD containing:
a)  M3 Application Software
b)  USB Converter Drivers
c)  Digi Device Discovery Software
d)  Getting Started Guide

Special Discounted Price Offer

Intrinsically Safe C1D1 available upon request, add $200 to below:
SonAire® M3/150 Sensor Kit  (measurement range up to 8 ft.) $1,170
SonAire® M3/95 Sensor Kit  (measurement range up to 13 ft.) $1,200
SonAire® Long Range Sensor Kit  (Special Order Only)


M-300 and M-320 Sensors

Replaced by our new MassaSonic PulStar Series Sensors – the following is legacy support material:

Datasheets: M-300/95.pdf ;  M-300/150.pdf ; M-320-95.pdf ; M-320/150.pdf


MassaSonic Series Software Version 3.42
(Replaces M-300 Family Legacy Software Version 2.80 below)
M-300 Family Legacy Software Version 2.80
(for both M-300 and M-320 Sensors)

Instruction Guides:

M-300 Family Serial Communications Guide


(for both M-300 and M-320 Sensors)
M-300 Family Installation and Operations Guide


(for both M-300 and M-320 Sensors)
M3 Illustration

M3 and M3is Sensors

Replaced by our new MassaSonic SonAire Series Sensors – the following is legacy support material:

Datasheets: M3 and M3is Family of Wireless Sensors.pdf


M-5000 Sensors

Replaced by our new MassaSonic mPulse Sensors – the following is legacy support material:

Datasheets: M-5000/220.pdf