Scope and Principle
1. Scope: The TSS Portable is a handheld measurement instrument for the analytical determination
of turbidity, suspended solids, and sludge blanket level in aqueous media.
2. Measuring principle: The measuring principle is based on a combined infrared absorption stray
light process, which determines the lowest turbidity value according to DIN EN 27027 just as
precisely and continuously as the high sludge content. In so doing, the light scattered sideways
by the turbidity particles is measured at an angle of 90°. In the case of solid material, the
measurement occurs at an angle of 90° and 120°. Sludge blanket level is assessed by lowering
the calibrated sensor into the sample and monitoring the depth when the suspended solids
concentration significantly increases. The cable is marked every meter to assist with the actual
depth from the water surface.
3. Application: The Hach TSS Portable handheld instrument is ideal for remote monitoring of
turbidity and suspended solids/blanket level in municipal and industrial wastewater, drinking
water and river monitoring. (same as SOLITAX sc)
4. Specific applications
a. Municipal Wastewater: Control of waste water intake, Biology, Sludge Treatment,
Control of discharge
b. Industrial Wastewater: Pulp & Paper, Dairy, Beverages, Filtration, flocculation, Industrial
waste water, Aluminum oxide production
c. Drinking water: Spring Water, Drinking Water Reservoir, Filtering Station, Ground Water
Pumping
Presale Information
1. Only TSS portable instrument on the market that can measure all three parameters: suspended
solids, sludge blanket level, and turbidity.
2. Ability to store 1 turbidity calibration curve and 4 calibration curves for suspended solids
a. The meters comes with a default turbidity curve
b. The meter comes with a default suspended solids curve but it is recommended to create
a user curve.
3. Probe is manufactured with polished stainless steel and sapphire windows for long life and
reliability.
4. See specifications contained in manual for concentration ranges.
5. Air bubble compensation is built into the software for better accuracy and lower measuring
range.
Accessories/Replacement Parts
1. Standard Case -LZY605
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