Senix ToughSonic® ultrasonic sensors measure level and distance through the air using ultrasonic sound waves. They provide fast, reliable non-contact measurements at distances up to 50 feet (15.2 meters). Thousands of our sensors are in use worldwide in some of the most demanding distance measurement environments.
General Purpose Ultrasonic Sensors
All Senix General Purpose Sensors come standard with 316 stainless steel housings, ruggedized piezoelectric ultrasonic transducers, epoxy potting, rear status indicators and a permanently attached 2 meter cable. These rugged, IP68 immersion-rated sensors can be used indoors or outdoors.
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| Maximum Range | 3 ft (91 cm) | 14 ft (4.3 m) | 30 ft (9.1 m) | 50 ft (15.2 m) |
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| Housing | 316 stainless | 316 stainless | 316 stainless | 316 stainless |
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| Mounting | 30 mm threaded | 30 mm threaded | 1.5 in NPT threaded on both ends | 2.3 in (59 mm) cylinder or 1.5 in NPT rear mount |
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| Outputs | 2 + serial data | 2 + serial data | 5 + serial data | 5 + serial data |
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| Prices (USD) from | $609 | $579 | $699 | $975 |
Chemically Resistant Ultrasonic Sensors
ToughSonic CHEM sensors are designed for measurement applications where corrosive chemical liquids or gasses are present. Their integral injection molded PVDF housings and full epoxy potting provide IP68 immersion protection. The upper and lower threading options and easy tank installation also make them a good choice for benign liquid level applications. Each model includes rugged piezoelectric transducers, hardened electronics, a 2 meter permanently attached cable and SenixVIEW sensor configuration and analysis software.
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| Maximum Range | 10 ft (3 m) | 20 ft (6.1 m) | 35 ft (10.7 m) |
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| Housing | Chemically resistant PVDF polymer | Chemically resistant PVDF polymer | Chemically resistant PVDF polymer |
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| Lower Mounting | 1.5 in NPT/BSP universal thread | 1.5 in NPT/BSP universal thread | 2 in NPT/BSP universal thread |
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| Upper Mounting | 1 in NPT (1 in BSP or M32 optional) |
1 in NPT (1 in BSP or M32 optional) |
1 in NPT (1 in BSP or M32 optional) |
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| Outputs | 5 simultaneous plus data interface | 5 simultaneous plus data interface | 5 simultaneous plus data interface |
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| Model Options | RS-232 or RS-485 | RS-232 or RS-485 | RS-232 or RS-485 |
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| Prices (USD) from | $709 | $779 | $895 |
Remote Level Ultrasonic Sensors
ToughSonic REMOTE sensors are designed for demanding remote monitoring applications such as irrigation management, flood warning and remote tank level measurement. They are up to 21% more energy efficient then our general purpose sensors and Senix Lightning Guard protection allows them to withstand repeated electrical surges up to 7 kilovolts. These IP68-rated sensors include rugged piezoelectric transducers, hardened electronics, a 2 meter permanently attached cable and SenixVIEW sensor configuration and analysis software.
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| Maximum Range | 14 ft (4.33 m) | 30 ft (9.1 m) | 50 ft (15.2 m) |
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| Housing | 316 stainless | 316 stainless | 316 stainless |
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| Mounting | 30 mm threaded | 1.5 in NPT threaded on both ends | 2.3 in (59 mm) cylinder |
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| Outputs | Serial data (RS-232 or RS-485)
MODBUS or ASCII streaming protocols |
Serial data (RS-232 or RS-485)
MODBUS or ASCII streaming protocols |
Serial data (RS-232 or RS-485)
MODBUS or ASCII streaming protocols |
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| Prices (USD) from | $519 | $649 | $925 |
Tough Sensors
All ToughSonic® sensors:
Operating Temp: -40 to +158F (-40 to +70C)
Relative Humidity: 0 to 100%
Construction: Fully potted and liquid tight
Ingress Protection: NEMA-4X, NEMA-6P, IP68
Power Input: 10–30 VDC (24 VDC typical)
Serial Interface: RS-485 or RS-232 (by model)
Compliance: 
Smart Features
- Intelligent processor design.
- Completely user configurable with SenixVIEW graphical software (included).
- Connects with all common equipment.
- Multiple concurrent outputs on most models.
- Performance can be optimized by setting initial conditions, time delays, calibration, sensitivity, lost target responses, measurement filters and much more.
- Multi-sensor systems and network ready.
- Save optimized setups, then clone copies in 30 seconds without recalibration!