HummBox Level Ultrasonic 3 - IP68 / RC1

Connected ultrasonic sensor for level measurement.
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Countries adapted for RC1

Commercially available


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HummBox Level 3 is a connected ultrasonic level sensor, connected with Sigfox or LoraWan, self powered, to monitor continuously level, volume and distance. 

Applications : 

  • Liquid level measurement (water, oil, chemicals,..) 
  • Waste/Bin level measurement 
  • Waste water level measurement (sewage) 

Main features :  

  • Ultrasonic measurement, temperature compensation 

   o Relaible data with « Anomaly Tagging » patent 

  • LPWAN communication (Sigfox ou LoRaWAN) 
  • Measurement frequency configurable via the application over the cloud 
  • Device restart via the application over the cloud 
  • Patented “Smart Frequency” to extend battery life 

   o Self adapted transmission frequency upon signal dynamic 

   o Up to 250% battery life increase 

   o Global improvement of network performance. 

  • Easy to install 

   o 3 mounting possibilities ( plane, wall, pendulum) 

   o In situ configuration via wire push button 

   o Sonor feedback 

  • Low maintenance Up to 12 years autonomy 
  • ADR (Adaptative Data Rate) available for LoRaWAN network 
  • Waterproof and robust package (IP68)  
  • Protection against chemical (option) 
  • European design made in France 

Benefits :  

  • Low total cost of ownership 
  • Reliable data measurement 
  • Boost battery life 
  • Dual mode LoRaWan or Sigfox for more flexibility 
  • One sensor for several usage

Sensor characteristics  

Distance Min-Max : 20 cm-5m   

Precision : Typical +- 2cm (mm in option) 

Resolution : +- 1cm 

Temperature compensation : Yes 

Data filtering on sensor : Yes 

CEM protection : Yes 

Chemical protection : Option 

Electronic characteristics  

Radio frequency : 868 Mhz; 915Mhz; 923 Mhz 

Standard LoRaWan : 

   o Transmission power: 14dBm 

   o EIRP: 16 dBm 

   o Receptor sensitivity: -148dBm 

Sigfox :

   o Transmission power: 14dBm 

   o EIRP : 16 dBm 

Receptor sensitivity: -126 dBm 

Antenna :  Internal / External (option)$ 

Measurement frequency:  Configurable via cloud (1 to 144 times/ day)  & Adaptative frequency with « Smart Frequency » 

Operating temperature : -20°C + 50°C 

Storage temperature : +20°C ; +25°C 

Power supply : Batterie Li-SOCl2 - 3,6V 6500mAh- type C (Ø26x50mm) 

Autonomy : Batterie C up to 12 years for 6 measure per day @ 20°C in LoRaWAN 

X 2,5 with « Smart Frequency » 

Conformance : CE, ROHS, LoRaWan, Sigfox, Objenious, Orange 

Downloadable resources
  • HB level 3 Ultrasonic (EN) (DS, User guides, Payload, CE) (3).pdf

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Sigfox Ready

Class 1

End Product Certificate P_0047_1EF6_01



Typical number of messages per duration



Commercially available
Production capabilities

1,000-10,000 items

Warranty duration

2 year(s)

Technical Details

Product casing

Dimensions (in mm): 90 x 90 x 70

Weight: 200gr

IP Code: IP68

Recommended operating temperature: -20° to 50° C



Dedicated - Internal

Type: ½ wave


Battery life: 12 Years

Embedded Software

Flashable Firmware: No

External antenna

A connector for an external antenna is available


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