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The turbidimeter is a handy device equipped with a large display, fulfilling all standards for a turbidity analysis on-site. The measuring range of 0 ... 1000 NTU is separated into two automatically switching measuring ranges for purposes of increasing the accuracy of the turbidimeter. With a well-arranged keyboard the turbidimeter is easy to operate. LED's are used as a light source, which work with a wave length of 830 nm in infrared ranges of light, and by that are invisible to the human eye. Since the measurement is not performed in a visible range, possible pigmentation of the sample plays a minor role during measurement. Due to a formation of the photodiodes in a 180 ° and 90 ° angle, transmitted light measurement is performed for higher ranges whereas diffused light measurement is used for lower ranges. With the reference standards of 0 NTU and 100 NTU included in the delivery, the turbidimeter can be calibrated or adjusted at any time. The turbidimeter PCE-TUM 20 fulfills according to EN 27027 / ISO 7027 all acquired standards.

Turbidity Meter TUM 20

  • Measuring range   0.00 to 50.0 NTU and 50 to 1000 NTU
    Resolution 0.01 and 1 NTU
    Accuracy   ± 5 % from measuring range or  ± 0.5 NTU
    Light source   LED, infrared at 850 nm 
    Lifetime almost unlimited
    Light detector photodiode
    Measurement time < 10 sec.
    Battery  6 x 1.5 V AAA batteries
    Surrounding conditions max. 50 °C, max. 85 % rH
    Dimensions (H x W x D) 155 x 76 x 62 mm
    Weight 320 g
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