AlpHa Measurement Solutions |
Turbidity in Pharmaceutical & Biotechnology

Turbidity in Pharmaceutical & Biotechnology

In pharmaceutical and biotech manufacturing, turbidity monitoring is essential for ensuring product purity, validating process steps, and maintaining regulatory compliance. Precise and reliable turbidity measurement supports critical functions such as filtration control, raw material screening, and ultrapure water system monitoring.

AlpHa’s TU90 turbidity sensor features a rugged optical system designed with the following features:

  • Precision 90° laser-based scattering method compliant with ISO 7027
  • Wide NTU range options (0 – 100, 0 – 1500, and 0 – 5000 NTU)
  • Industry-leading low-range accuracy with ± 1% error in the 0 – 100 NTU range
  • Built-in temperature compensation
  • Custom OEM sonde and stand-alone configurations including optional programmable wiper

  • Range: 0 – 100 NTU
    • Linearity: ~0.999
    • Resolution: 0.001 ~ 0.1 NTU
    • Accuracy: ≤ 1% 
  • Range: 0 – 1500
    • Linearity: ~0.999
    • Resolution: 0.01 ~ 0.1 NTU
    • Accuracy: < 2%
  • Range: 0 – 5000
    • Linearity: > 0.99
    • Resolution: 0.04 ~ 4 NTU
    • Accuracy: < 4%
  • Light Source / Method: 850 nm Laser / 90° Scattering
  • Turbidity Response Time: T90 < 10 seconds
  • Temperature Range: -5 to 60°C
  • Max Pressure: 15 bars
  • Depth Rating: 150 m
  • Flow Rate Specification: 0.1 ~ 10 L / min
  • Consumption
    • Signal Only: 0.6 W
    • Wiper Running: 1.9 ~ 3.8 W
  • Dimensions: 40 mm x 210 mm
  • Input Power: 12 – 36 VDC
  • Warranty: 12 Months
  • Form Factor
    • Process Body
    • Cartridge
    • Custom Options Available
  • Housing Material Options
    • PVC / CPVC
    • Metal
      • Titanium
      • Other Metals Available
  • Thermistor Options
    • Integrated Temperature Compensation
  • Wiper
    • Integrated
    • No Wiper Integrated
  • Integrated Insertions
    • Plumbing Tee Available
    • Flow Cell Available
    • Sonde Integration
  • Analog
    • 420 mA
    • Custom Options Available
  • Digital
    • RS-485 MODBUS RTU
    • Custom Options Available
  • Connectors
    • Integrated Connectors (detachable or cableless)
      • Mil-Spec
      • Custom Options Available
    • Connectors with Cables (including temperature)
      • Tinned Leads
      • DIN
      • Spade Lugs
      • Circular Connectors
      • Any commercially available connectors and custom options available