Applications | Water & Environment | Hydrology / Geology  
Hydrology / Geology
The main fields of activity in hydrology are the observation and measurement of hydrological processes, the systematic analysis of the hydrological phenomena as a basis for the development and expansion of theories and processes. STS Sensor Technik Sirnach AG supply high-precision, compact level sensors and Dataloggers for level, temperature and conductivity measurement in this field.
  

Communication module with GSM- or analog modem

  • Triband GSM engine or analog modem 
  • Usable temperature range -20...55°C 
  • Online programming or via SMS 
  • Acknowledgement of events by SMS

Datalogger for level measuring with conductivity module DL/N 70

  • Any measuring range between 0...0.5mwc und 0...250mwc
  • Conductivity module with integrated temperature measurement (option)
  • Measuring interval adjustable from 0.5s to 24h
  • Data memory for up to 500'000 measurement values

Miniature pressure transmitter for level measurement MTM/N10

  • Measuring range from 0…10mwc and 0…100mwc
  • Compact version with an outer diameter of 10 mm 
  • Also as datalogger deliverable

Pressure Transmitter ATM.1ST/N, ATM.1ST/N/Ex

  • Measuring range from 0…0.5mH2O and 0…250mH2O
  • Reverse polarity and short circuit protected
  • Compact and robust stainless steel
    assembly 1.4435 (316L) or titanium

Pressure Transmitter ATM.ECO/N, ATM.ECO/N/Ex

  • Measuring range from 0…1mH2O and 0…250mH2O
  • Reverse polarity and short circuit protected
  • Compact and robust stainless steel
    assembly 1.4435 (316L) or titanium

Pressure Transmitter for Level Measurement ATM/K/N

  • Capacitive ceramic sensor without oil filling
  • High resistance and overpressure
  • All pressure ranges between 0...50 mbar und 0...20 bar

Pressure transmitter for level measurement ATM/N

  • Measuring range from 0…0.5mwc and 0…250mwc
  • Available with PE, PUR or Tefon cable,
    also connectable
  • Compact and robust stainless steel
    assembly 1.4435 (316L) or titanium

Pressure transmitter for level measurement ATM/N 19

  • Measuring range from 0…0.5mwc and 0…250mwc
  • 19mm outer diameter
  • Available with PE- or PUR cable

Pressure transmitter for level measurement TM/N

  • Measuring range from 0…0.5mwc and 0…250mwc
  • Ratiometric mV output signal
  • Available with PE, PUR or Teflon cable

Pressure transmitter for level- and temp. measurement ATM/N/T

  • Gauge or absolute
  • Measuring ranges from 0…0.5mwc and 0…250mwc
  • Temperature measuring range -25…100°C

Programmable pressure transmitter for level measurement PTM/N (2-wire)

  • Measuring range from 0…0.5mwc and 0…250mwc
  • Adjustable 1:4 of the nominal range
    within -5% to +105% FS 
  • Available with PE, PUR or Teflon cable

Programmable pressure transmitter for level measurement PTM/N (RS485)

  • Measuring range from 0…0.5mwc and 0…250mwc
  • Adjustable 1:4 of the nominal range
    within -5% to +105% FS
  • Accuracy temperature measurement +/-2°C

Programmable pressure transmitter for level measurement PTM/N SDI-12

  • Measuring ranges from 0…0.5mwc and 0…250mwc
  • Accuracy temperature measurement +/- 0.25°C
  • SDI-12 interface

Watermanager Solution DL.WMS/GPRS/R

  • Compact and robust version
  • Installation in 2" / piezo tube or 4" wall-/mast installation
  • Quadband GSM/GPRS engine
  • Online programming