Electricity + Control

Prei Instrumentation proudly introduces the Hach TU5 Series family of turbidimeters for drinking and high purity water turbidity measurement, for online as well as laboratory use.

Not only does Hach use the latest ISO standard (DIN EN ISO 7027 ) for laser technology Nephlerometric measurement, but Hach has developed a new standard, Hach Method 10258 which has been approved and adopted by the USEPA as a standard for the measurement of Turbidity.

TU5 Optic Principle

The Hach TU5 Series of turbidimeters uses groundbreaking 360º x 90º detection technology employing a patented optical design that sees more of your sample than any other turbidity meter, delivering the best low level precision and sensitivity while minimising variability from test to test.

360 x 90 Detection

The turbidimeter measures turbidity by directing a laser into a sample to scatter off suspended particles. The light that is scattered at 90º from the incident beam is reflected through a conical mirror in a 360º ring around the sample before it is captured by a detector. The amount of light scattered is proportional to the turbidity of the sample. If the turbidity of the sample is negligible, little light will be scattered and detected by the photocell and the turbidity reading will be low. High turbidity, on the other hand, will cause a high level of light scattering and result in a high reading.

Prognosys monitors your TU5 series online instrument, proactively alerting you to maintenance needs before your measurement becomes questionable. A Hach Service Agreement protects your investment and helps ensure that you stay in compliance and on budget.

Prei Instrumentation is the South African distributor for Hach online liquid analysis equipment. Hach has been the market leader in turbidity measurement since Clifford Hach introduced the first Continuous Read turbidimeter in 1957.

Enquiries: Email steve.herbst@prei.co.za

 
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