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Microprocessor Dissolved Oxygen Meter NDO25


is a solid state instrument designed to provide the precise DO and Temperature measurements. The instruments uses the latest microprocessor technology and advanced engineering techniques so as to give enhanced accuracy and reproducibility. The system has user friendly prompts, which guide you throughout measurements process.

The system has 8 soft touch membrane keys for ease of operation, it has the storage facility for 1000 samples, which are retained in the memory even when the system is switched OFF. Provision has also been made for attachment of dot-matrix/thermal printer with RS232 serial interface so that any of the stored results can be printed.

Features :

  • Highly Stable & Accurate
  • 16x2 LCD Display
  • 1000 Sample Storage Facility
  • Printer Attachment Facility
  • Auto/Manual Calibration
  • D.O & Temperature Measurements

This is extremely useful for agriculture and soil analysis laboratories, fisheries, water quality control in boiler feed water, water works department, breweries, water purification plants, chemical & pharmaceutical industries etc.’

Product Details:

Parameter DO Temperature
Range 0 to 20 0˚C to 100˚C
Resolution 0.1 ppm 0.1˚C
Accuracy ±3 %(FS) ±1 digit ± 0.1% of range ±1 digit
Range selection Automatic
Sensor PT 100
Temperature compensation 0˚C to 50˚C automatic with temperature probe/manual by keys
Calibration Auto & manual with 2 point 2 Point manual
Pressure adjustment 0 to 999 mm of Hg manual By default 760. Salinity Correction: 0to20gm/L (manual)
Power Supply 230 V ±10%, 50 Hz AC.
Data Entry By soft touch keys with audible sound.
Digital output RS 232
Data storage 1000 Samples
Display 16x2 BLCD display
Display format Temperature & parameter simultaneously
Real time display 24 Hour mode with Date & Time
Dimensions(L x B x H) & Waight 235 x 245 x 80 mm: 3 kgs
Accessories DO probe, Temperature probe, membranes(5pcs), Dust Cover, manual Standard solutions.