Description

“MARK 903” is a laboratory pH meter for measuring electromotive force, pH and temperature of aquatic environments.

Features of MARK-903

  • the possibility of carrying out both laboratory and “field” measurements
  • accurate and convenient measurements
  • degree of protection IP 65
  • MARK 903 is airtight and has a protective casing, which provides dust and moisture protection
  • self-diagnosis and easy settings
  • temperature compensation is automatic
  • there is an electronic notepad without dependence on food
  • buffer solutions are recognized automatically
  • included USB port and software
  • the ability for the user to create folders and record up to 500 measurement groups
  • illuminated graphic indicator
  • the ability to create a data archive on a PC and manage it
  • measurements are displayed in a convenient format
  • low energy consumption
  • continuous operation from AA batteries up to 600 hours

MARK-903 pH-meter warranty is 24 months (for the electrode system – manufacturer’s warranty).

Specifications

  • Range Resolution Accuracy
  • pH 0-151 0-122 0,001 ±0,021 ±0,052
  • EMF, mV -1000/ +1000 0.1 ±0.5
  • Temperature, °C 0-70 0.1 ±0.3
  • 1 for the transducer unit, 2 for the whole pH meter
  • Overall dimensions, mm 65*130*28
  • Weight, g 200
  • Environmental requirements: Temperature 5-50 °C.
  • USB port
  • Power supply from two AA cells

Delivery set MARK-903

  • Converter unit with temperature sensor
  • A set of elements of type AA
  • Combined electrode ESK-10601/7

Additionally:

  • Protective casing K901
  • Carrying kit