DTK Water

- Model MD100 - Photometer



The MD100 uses high quality interference filters with long-life LEDs as a light source without any moving parts in a transparency sample chamber. The units supply accurate, reproducible results very quickly. Other major advantages include ease of operation, ergonomic design, compact dimensions and safe handling. The calibration and software-based adjustment options mean that the MD100 is also suitable for use as a testing instrument.


The MD100 Photometer is used in a wide range of water testing applications including Industrial water treatment, Boiler, cooling and closed system analysis, Process water, Pre-treatment plant, Effluent water, Science & research, Laboratories and Mobile applications.

Available Methods

There are mutliple MD100’s available with a wide range of parameters available. For information on the MD100 Cooling Water please see here. For information on the MD100 Boiler Water please see here

IRIM Infra-Red Data Transmission Module

The IRIM (Infra-red data transmission module) uses modern infra-red technology to transmit data from the MD100 to one of 3 optional interfaces. This allows the MD100 to be connected to a computer or printer. For more information on the IRIM click here.

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N.I.S.T Tracability

The instrument has a factory calibration, which is related to international standards which are not N.I.S.T traceable. The instrument may be calibrated by the user in a “user calibration mode” with N.I.S.T traceable standards. (N.I.S.T – National Institute of Standards and Technology)

  • Waterproof (as defined in IP 68, 1 hour at 0.1m).
  • Automatic Switch-Off.
  • Real-Time-Clock and Date.
  • Calibration Mode.
  • Backlit Display.
  • Storage Function.
  • Suitable for use as a testing instrument.

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