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Rosemount™ T1056 Clarity™ II Turbidimeter
The Rosemount T1056 Clarity™ II Turbidimeter measures turbidity in water.
Low stray light, high stability, efficient bubble rejection, and a display resolution of 0.001 NTU make this turbidimeter ideal for monitoring the turbidity of filtered drinking water. The turbidimeter can be used in other applications like monitoring wastewater discharges, condensate returns and clarifiers.
Rosemount™ T1056 Clarity™ II Turbidimeter


Accuracy after calibration at 20.0 NTU: 0-1 NTU: ±2% of reading or ±0.015 NTU, whichever is greater. 0-20 NTU: ±2% of reading.
Enclosure Rating
Polycarbonate. Type 4X/CSA 4 (IP65)
Overall 155 X 155 X 131 mm (6.10 X 6.10 X 5.15 in.) Cutout: 1/2 DIN 139mm (5.45 x 5.45 in.)
Calibration Options
User-prepared turbidity standard, commercially prepared turbidity standard, or grab sample
Measurement Range
0-200 NTU
0.001 NTU


  • Complete system includes single or dual input transmitter, turbidity sensor(s), debubbler assembly and cable for each sensor
  • ISO METHOD 7027 compliant sensor(s)
  • Full featured transmitter with fully scalable analog outputs and four fully programmable alarms
  • Intuitive, user-friendly menu in seven languages makes setup and calibration easy