DOLPHIN GAUGE Sigfox or GPRS version
Liquids: Diesel Diesel  Lubricant Lubricant  AdBlue/DEF AdBlue/DEF  
DOLPHIN gauge 258200000


  • To make the periodical measurement of the fluid level in a tank.
  • To consult the fluid levels through the web site www.dieselplus.net or the «DieselPlus Tanks» App available for Android and IOs.
  • To configure automatic level alarms in your email: filling alarm, minimum level alarm, maximum level alarm, unregular empty alarm, etc.
  • Compatible fluids: any fluid with the fire point >40º



  • Its compact design with internal battery allows an easy and quick installation, without any external power supply.
  • Replaceable battery · 4-year estimated life



  • Measuring range: 100-4,000 mm
  • Working temperature: -10 ºC to +50 ºC
  • Connectivity: Sigfox network
  • Reading frequency: 1 transmission per hour
  • Supply System: 3.6 V lithium battery
  • Battery autonomy: 4 years* (easy user-replacing) *1 transmission per hour at 25 ºC
  • Reading resolution: 5 mm
  • Accuracy: ± 1% mm (in the level tank height)
  • Installation: M2” thread or 4-screw fixation · For a correct accuracy it is required the installation of a PVC tube of Ø50 mm.
  • Protection: IP-65



Without cables through the Sigfox network. Consult the data in the web site www.dieselplus.net/ or the «DieselPlus Tanks» App installed in your smartphone.

DieselPlus allows:

  • The reading of the tank level
  • Multiaccess from different devices
  • Automatic data reception of the tank state in your email
  • Minimum level alarms
  • Maximum level alarms
  • Filling alarms
  • Level drop alarms
  • Alarm history
  • Data export in *.csv or *.txt format
  • Grouping the tanks by zones, installations, ...
  • Making a register of inputs by supplier, cost, amount, ...
  • Having a supplier register
Size and weight (approx.):
  • Dim.: Ø90x200 mm (diameter x length)
  • Weight: 0.57 kg


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