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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

Turbidimeter (High-Range)

Surface Scatter® 7 sc

Turbidimeter (High-Range)


Applications: Drinking Water, Wastewater, Industrial Water.

The Surface Scatter 7 sc High Range Turbidimeter with sc200 controller offers superior performance features. It measures a turbidity range from 0 to 9999 NTU. Includes calibration cylinder, 4000 NTU Formazin, installation accessories, and instruction manual. Note: only one SS7 sc sensor can attach to one sc200 controller, if a second different sc sensor is required for this configuration please contact the Hach Company - Process Technical Group for further details.

  • Virtually maintenance-free, optics never touch the sample
  • Durable-manufactured with corrosion/heat-resistant materials for extended life
  • Wide turbidity measurement range from 0 to 9,999 NTU
  • Wide turbidity measurement range from 0 to 9,999 NTU
  • Backed by a 2-year Warranty


Accuracy:±5% of reading or ±0.1 NTU (whichever is greater) from 0 up to 2000 NTU
Accuracy 2:± 10% of reading from 2000 to 9999 NTU
Alarm:Relays can be programmed through sc controller for warning, alarm, feeder, event, pulse width modulation, and frequency control.
Ambient Temperature:0 to 50 °C
Dimensions Metric (H x W X D):642 mm x 675 mm x 190 mm
Enclosure Construction:Plastic instrument enclosure
Enclosure Rating:NEMA 12
Installation category:Category II
Mounting:Wall mount
Power Requirements (Voltage):None
Range:0 to 9999
Range 2:Nephelometric Turbidity Units (NTU)
Relative Humidity:5 to 95 % non-condensing
Repeatability:0.1 NTU or ±0.04 NTU, whichever is greater
Resolution:0.01 NTU up to 999.99 NTU
0.1 NTU between 1000 to 9999.9 NTU
Response Time:Initial response in 45 seconds
Sample Flow Rate:Sample flow required 1.0 to 2.0 L/min (15 to 30 gal/hr)
Sample Input:0.75 inch NPT female thread
Sample Output:1 inch NPT female thread
Sample Temperature:0 to 50 °C (32 to 122 °F)
Weight:35.05 lbs. (15.9 kg)
Weight 2:40 lbs


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