Minikin SP1

small datalogger with Delmhorst gypsum block sensor for soil water potential measurementbuilt-in datalogger temperatureequipped with the connector for quick replacement of the weathered gypsum block s

  • Product Name:Minikin SP1
  • Maunufactor:EMS
  • Country:Cz
  • small datalogger with Delmhorst gypsum block sensor for soil water potential measurement

  • built-in datalogger temperature

  • equipped with the connector for quick replacement of the weathered gypsum block sensor in the field

  • low maintenance, easy installation and set-up

  • large logging capacity and long battery lifetime

  • infrared wireless data access

  • Mini32 software support


Gypsum block sensor


Minikin S P 1 Delmhorst gypsum block sensor
  • made of gypsum cast around two concentric electrodes

  • absorbs or releases moisture from the soil, until its moisture content approaches equilibrium with the soil

  • ideal for irrigation purposes – measurement reflect how much of the water is available to plants, and not only volumetric water content


Quick junction connector

E MS Minikin S P 1 quick coupler connector croped
  • simple and quick replacement of the weathered gypsum block sensor in the field

  • no interruption of measurement due to service – replace and measure


Delmhorst conversion graph


Meter Readings


Mini32 software

Mini 32 overview
  • graphically oriented software intended for work with long time series

  • fast calculation of hourly, daily, montly values

  • fast brief statistics

  • built-in efficient commands for summation and min-max-average calculation

  • for more informations look at EMSsoftware



Measuring intervals 10 min to 4 hrs 

Memory capacity with measuring interval 1 hour ca 6 years 

Battery lifetime with measuring interval 1 hour ca 4 years 

Measuring range 0 to −1.44 MPa 

Internal temperature accuracy ± 0.3 °C 

Protection rating IP68 

Size (diameter x length) 30 x 93 mm (without sensor) 

Weight 97 g (without sensor) 

Operating environment temperature −40 to 60 °C 

Operating environment humidity 0 to 100%