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HACH COMPANY was established in 1947, in Ames, Iowa, USA. For more than 60 years, Hach has been the world market leader for Analytical Instrumentation for Complete Water Analysis, providing solutions for lab, process and field.

In 2002, GLI, a leading US manufacturer of process electro-chemistry analytical instruments, became part of the Hach Company family.

Water analysis has to be right. Our customers deserve complete, reliable solutions that they can be fully  confident in. Hach is your answer. We make water analysis simpler

Handheld Suspended Solids /Turbidity/ Sludge Blanket Level

TSS Portable

Handheld Suspended Solids /Turbidity/ Sludge Blanket Level


Complete TSS Portable Hand-held Turbidity, Suspended Solids, and Sludge Level System; includes meter, probe, rechargeable batteries, charger for rechargeable batteries with four plug adapters, manual, quick start guide and carrying case.

  • Three Parameters in One Instrument
  • Multiple Calibration Curves for Convenience
  • Easy Sludge Blanket Levels
  • Air Bubble Compensation for Accuracy
  • Durable Materials for Long Life


Cable Length:10 m cable with marks for distance
Current Input:Approx. 60 mA
Dimensions (D x L):1.57 in x 11.42 in (40 mm x 290 mm)
Dimensions Metric (H x W X D):(4.3 x 9.1 x 1.6 in) 110 mm x 230 mm x 40 mm
Display:Alphanumerical display, 4 rows of 16 characters
Length:11.4 in ( 290 mm )
Material:Sensor Body: stainless steel
Measurement Modes:Continuous measurement, integration time settings 0 - 1000 seconds
Measuring Principle:Combined multiple beam alternating light method with infrared diode system and beam focusing.;
Turbidity: 2-channel 90° scattered light measurement in accordance with DIN/EN 27027/ISO 7027; 
additional measurement value verification through six-channel multiple-angle measurement;
Solids: Modified absorption measurement; six-channel multiple-angle measurement;
Measuring Range TSS-Content:0.001 to 400 g/L upper range depending on sample characteristics
Measuring Range Turbidity:0.001 to 9999 FNU
Memory:Up to 290 measuring points
Operating Pressure:0 to 10 bar (0 to 145 psi)
Operating Temperature Range:0 to 60 °C
Power:Automatic shut down after 4 minutes (if no button has been pressed and no permanent measurement is activated)
Precision Suspended Solids:less than 4 % or ± 0.001 g/L, whichever is greater
Precision Turbidity:less than 3 % or ± 0.02 NTU whichever is greater
Pressure Range:Max. 10 bar
Protection Class:Probe IP68; Control unit IP 55
Relative Humidity:0 to 95 %
Resolution:Suspended Solids: 0.001 at 0 to 0.999 g/L
Suspended Solids: 0.01 at 1 to 9.999 g/L
Suspended Solids: 0.1 at 10 to 99.9 g/L
Suspended Solids: 1 at greater than 100 g/L
Wavelength:860 nm
Weight 2:Probe:
Wetted Materials:Probe: stainless steel
Sensor Window: sapphire
Width 2:Case: 450 mm (17.7 in)


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