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Water quality sensors

E2G
Control units for water quality sensors

Display units for connecting electrochemical and optical sensors

  • Calibration of connected sensors
  • Management of connected technology
  • Current (4-20 mA) and binary (relay contacts) outputs
  • Recording of measured data, or automatic transfer of data to the database on the server
Electrochemical measurement of dissolved oxygen

Dissolved oxygen and water temperature sensor with Clark sensor OC254

  • Mutual communication between the sensor and the connected calibration unit via the RS485 bus
  • Possibility to connect more ESK11 sensors to one calibration unit
  • Robust design with replaceable sensor
  • Standard sensor length 1700 mm (sensors from 500 mm to 2000 mm can be supplied on request)
ESKO12 probe
Optical dissolved oxygen measurement
  • No calibration required
  • Probes and the sets including the brackets and accessories
  • RS485 interface for the communication between the probe and display station
  • Possibility to connect up to 12 probes (ESKO12) to one station
  • Rugged design with a replaceable electrode, probe length from 50 cm to 4 m
PH485 probes with RS485 / ModbusRTU output
PH485 probes with RS485 / ModbusRTU output

pH electrode with measuring electronics galvanically separated from the RS485 bus

  • Service life 2-3 years with limited need for recalibration
  • Ccalibration coefficients stored in the probe
  • Reference electrode in partially self-cleaning design
  • Low cost
ORP485 - redox probes with RS485 output

Probes for measuring redox potential with RS485 / Modbus RTU output

  • Compact mechanical design
  • Electronics including measuring electrode in one housing
  • Connection to the system via M12 connector or lead-out cable terminals
  • Self-cleaning design of the measuring electrode
Zákaloměr
Optical turbidity sensor S461

Nephelometric measuring principle (lateral light scattering, ISO 7027)

  • Measuring ranges from 0 to 10, 100 or from 0 to 1000 and 4000 NTU
  • Digital output Modbus RTU to RS485
  • Easy connection to FIEDLER control units
  • Wide range of applications
ESV11
Conductivity measurement
  • Conductivity and temperature probes for open streams, water tanks, and field installation; set designed for wastewater treatment plants and industrial facilities
  • RS485 interface for the communication between the probe and display station, or between the probe and the calibration station
  • Ability to connect multiple probes ESV11 to one station
  • Robust design in stainless steel housing with a diameter of 28 mm