Pulsar’s Ultrasonic dB Transducer Series

Pulsar’s dB ultrasonic transducers offer reliable level, volume, open channel flow, pump control and differential measurement within liquid and solids applications. dB ultrasonic sensors utilise a low power transducer design with standard interconnecting cables – yet produce extremely high acoustic power to give exceptional results in a wide variety of challenging applications.


  • ATEX Zones 1 and 2 standard
  • I.S. ATEX Zone 0 options
  • FM/FMC approval
  • Integral temperature compensation
  • Narrow beam angles
  • IP68/NEMA 6P
  • Standard 2 or 3 core screened cable extensions to 1000m
  • Patented DATEM (Digital Adaptive Tracking of Echo Movement) echo processing technique


Transducer Specific

Model Dimensions Dia Face Weight Measurement Range Frequency Beam Angle
dB3 78D x 115Hmm (3.07 x 4.52in) 19mm (0.75in) 1.1kg (2.4lb) 0.125 – 3m (0.41-10ft) 125kHz <10°
dB6 86D x 106Hmm (3.39 x 4.17in) 30mm (1.18in) 1.1kg (2.4lb) 0.3 – 6m (0.98-20ft) 75kHz <10°
dBS6 86D x 106Hmm (3.39 x 4.17in) 45mm (1.78in) 1.1kg (2.4lb) 0.2 – 6m (0.66-20ft) 50kHz <10°
dB10 86D x 106Hmm (3.39 x 4.17in) 45mm (1.78in) 1.1kg (2.4lb) 0.3 – 10m (0.98-33ft) 50kHz <10°
dB15 86D x 122Hmm (3.39 x 4.8in) 60mm (2.36in) 1.2kg (2.6lb) 0.5 – 15m (1.64-50ft) 41kHz <8°
dB25 105D x 142Hmm (4.13 x 5.59in) 78mm (3.07in) 1.4kg (3.1lb) 0.6 – 25m (1.97-82ft) 30kHz <6°
dB40 205D x 223Hmm (8.07 x 8.77in) 160mm (6.30in) 6kg (13.2lb) 1.2 – 40m (3.94-130ft) 20kHz <5°
dB50 205D x 223Hmm (8.07 x 8.77in) 160mm (6.30in) 6kg (13.2lb) 2 – 50m (6.56-164ft) 20kHz <5°

(All Transducer)

Sensor body material: Valox 357 U and syntactic foam face
Cable lengths: Standard = 5m, 10m, 20m or 30m (16.4ft, 32.8ft, 65.6ft or 98.4ft). Optional: up to 150m (492ft) maximum (increments of 10m / 32.8ft only)
Maximum separation: 500m (1640ft)
Mounting connection: BSP or 1” NPT


Enclosure protection: IP68 / NEMA 6P
Max. and min. temperature (electronics): Standard: -40°C to +90°C (-40°F to +194°F) Hazardous area versions: -40°C to +75°C (-40°F to +167°F)


CE approval: 2014/30/EU – EMC & 2014/34/EU ATEX Directives. Standards applied: EN 60079-0:2012+A11:2013/ EN 60079-11:2012 / EN 60079-18:2009 / EN 60079-26:2007 / EN 61326-1:2013
ATEX approval: Standard ATEX EEx m II T6 or optional EEx ia IIC T6. FM/FMC approval. (dB50 not approved)


Accuracy: 0.25% or 6mm (0.24in) whichever is greater
Resolution: 0.01% or 2mm (0.08in) whichever is greater

Download Datasheet: Pulsar’s Ultrasonic dB Transducer Series

Reference : pulsar-pm.com

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