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Products Data Loggers & Modems & Water Level Recorders Optic Encoder Limnigraph (OEL)

Optic Encoder Limnigraph (OEL)

It measures the water level mechanically by means of a float system. It is the oldest and most precise measurement method known. It records the level in the desired time interval.


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Technicial Specifications
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Water Level Recorder (OEL-104) is used tor the continuous monitoring, logging and storage of ground water level and surface water level. (System works accurately on rivers, irrigation channels, dams, lakes, land drainage, ground-water wells and flood control monitoring).

With a float-operated shaft Encoder OEL-104, a new generalion in water-level measuring technology has been achieved.

Proven AQUADATA HYDROMETRY quality with competing prices.

  1. 3-lines, dol matrix LCD display, each 12 characters. (Water Level, time, date, battery-status, alarm status, setup and measured values).
  2. RS232 interface tor bi-directional dala transfer via serial modem, GSM data modem, GPRS dala modem, radio modem, flash card, Palm top, satellite, ete
  3. Battery life-time> 10 years. No battery change necessary
  4. Built-in LCD display tor water-level indication in "cm", "mm" or "inches"
  5. Communication Ports: RS232 interface, RS485 interface SDl-12 interface and USB.
  6. 256 KByte Ring Memory, EEProm.
  7. Keypad or remote setup. 
  8. Windows Data Management Software. 
  9. Flexible installation. 
  10. 3 years warranty. 

Memory256KByte(Ring Memory) EEProm
Operating Temperature -30°C between  +80°C
Accuracy 1mm (2mm or 1cm can be set)
Tolerance +-1mm
Monthly Time Deviation +-1 minute
Logging Time Range1' , 5' , 10' , 15' , ...60'....1440' 
Interface RS-232 , RS-485 , USB , SDI-12
Output 4...20mA
LCD Screen 3 Line Dot Matrix
LCD Operating Temperature  -20°C between  +70°C
Keypad 3 Button Keypad
Battery3.6V ,8500mAh.C size Lithuim Ion
Protection  IP65

Brochures

    • Optic Encoder Limnigraph (OEL) (current)
    • pdf
    • 19.04.2023
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