ptec ptec ptec
  • High-performance 32 bit measurement data collector optimised for water level, temperature and conductivity measurement in ground and surface waters
  • XL ring memory for approximately 1.120.000 measurement data
  • Sturdy, sleek Ø22 mm stainless-steel housing for extreme conditions
  • High-quality 4-electrode conductivity measuring cell
  • Accurate, long-term, stable, ceramic-capacitive pressure sensor
  • NTC30 temperature sensor with 0.1°C accuracy
  • External power pack module with interchangeable 1.5V size C batteries
  • Operation with notebook, tablet, PC, smartphone or tablet via Bluetooth® (optional)
  • Modularly expandable with a data transmission module SlimCom
Measurement Principle Capacitive ceramic measuring cell
Measuring Range 0-2/5/10/20/30/40/50/70/100/200/300 m water column or according to specifications; -5 °C - +50 °C; 0-200 mS/cm (total)
Measuring Accuracy ±0.05 % FS; 0,1 °C; 
± 1 µS/cm for measuring range of 0-200 µS/cm ±0,5 % for measuring range of 0,2-200 mS 
Memory Capacity 16 MB (= 1,120,000 readings)
Save Interval 30 s - 99 hours, standard, from 2 s in the quick-log mode, optionally
Channel Max. 32 (water level, temperature, conductivity, density, TDS, salinity)
Measurement Routine Single value, average value, event clock, Delta mode, pumping test control
Communication Interface RS485, SDI-12 (option)
Material 1.4539 stainless steel
Dimension Ø 22 mm, length: 320 mm
Protection Class

Probe: IP68

RS485 interface: IP67 (immersion depth with a desiccant cartridge up to 3 m, depending on cable length)

Power Supply

4 x 1.5 V alkaline manganese batteries, standard

4 x 3.6 V lithium C batteries, optional

Hanging Depth up to 700 m


  • Groundwater monitoring in wells, sites in the field and landfill sites
  • Monitoring of pumping tests
  • Level monitoring in surface waters (rivers, streams, channels, sources, flood retention basins, lakes, reservoirs)
  • Swelling pressure measurement
  • Discharge surveillance


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