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AL255T-IR with USB-Interface & AL250T-IR

Turbidity meter with infra-red light source (EN ISO 7027)


  • AL255T-IR: USB-Interface
  • Range from 0.01 – 1100 NTU
  • Measurement with infrared light at an angle of 90°
  • Measurement of coloured liquids
  • Easy handling
  • 600 tests without battery change


TThe compact AQUALYTIC® infrared turbidity measuring instruments AL255T-IR & AL250T-IR for fast and accurate on-site analysis. It is measured as provided in EN ISO 7027, the scattered light at an angle of 90 °.

AQUALYTIC AL250T-IRThe wide measuring range from 0.01 to 1100 TE / F = NTU = FNU with a detection limit of 0.01 NTU allows the use of the device in different areas, from drinking water to wastewater. Since the measurements are made by means of infrared light, both colored and colorless water samples can be measured. A direct transfer of the measurement results to a PC is through the USB interface AL255T-IR easy to set up. The necessary USB cable is already part of the delivery.

Delivery Content:
AL255T-IR turbidity meter as described above, complete with 4 turbidity standards < 0.1, 20, 200 and 800 NTU, battery, cuvettes, warranty information, certificate of compliance, instruction manual in case.
Order code: 26 60 30-A

AL250T-IR as TB 211 IR but without USB cable
Order code: 4 26 60 20

Catalogue extract

The Cat­a­logue ex­tract for the AL250T-IR with more in­for­ma­tion, tech­ni­cal data and order codes can be down­load­ed as a PDF » AL250T-IR PDF