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EMF Turbidity Analyzer Ultrasonic Sludge Interface Sensor CUS51D-AAD1A4

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EMF Turbidity Analyzer Ultrasonic Sludge Interface Sensor CUS51D-AAD1A4

Brand Name : E+H

Model Number : CUS71D

Place of Origin : China

MOQ : 1 pc

Price : USD 2500 1 pc

Payment Terms : T/T

Supply Ability : 100 pc 1 week

Delivery Time : 7-14 days

Operating Temperature : -40 to 85°C

Communication Protocol : HART

Accuracy : ±0.1% of span

Material : Stainless Steel

Customized Support : OEM, ODM, OBM

Protection Rating : IP67

Diaphragm Material : 316L Stainless Steel

Output Signal : 4-20 mA

Signal Output : 4-20mA 0-20mA 1-5V 0-5V

Turndown Ratio : 100:1

Electrical Connection : M12x1

Hart Protocol : Available

Overpressure Limit : 2 times the maximum range

Process Connection : 1/2" NPT male

Protection Class : IP65

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What Is the Turbimax CUS71D?

The Turbimax CUS71D, by Endress+Hauser, is an ultrasonic interface sensor specifically developed for immersion and interface measurement in applications like wastewater treatment and water purification processes

Applications

Ideal uses include:

  • Wastewater Treatment: Monitoring in primary clarifiers, sludge thickeners, and secondary clarifiers
  • Water Purification: Settling basins post-flocculant dosing, sludge height monitoring in contact sludge process, filter media expansion/backwash timing
  • Chemical & Industrial Separation: Static separation, process water recycling, product phase separation, flotation monitoring

Key Benefits

  • Reliable & Continuous: Delivers accurate, real-time interface measurement for efficient control of valves and actuators
  • Safe & Intelligent: Stores calibration and sensor data internally (Memosens technology), enabling easy swap-out and predictive maintenance
  • Maintenance-Minimized: Optional wiper prevents film buildup; automatic cleaning supports long-term, maintenance-free operation
  • Flexible Installation: Compatible mounting hardware for various clarifier and basin designs
  • Simplified Commissioning: Comes with predefined calculation models, reducing setup complexity

Measuring Principle & Sensor Monitoring

  • Technology: A piezoelectric crystal in a cylindrical plastic housing emits sonar at ~650–657 kHz and a 6° angle, scanning the separation zones. It measures the echo return time to calculate interface depth
  • Signal Processing: Coupled with a Liquiline CM44x transmitter, it masks irrelevant zones, selects signal edges, amplifies for floating sludge, and tracks a "gate" region dynamically to capture the separation layer precisely
  • Diagnostics: Continuously monitors acoustic signals for plausibility; errors like implausible readings or control disturbances are flagged via the transmitter’s diagnostics

Technical & Installation Specifications

Feature

Details

Measuring Range

0.3 to 10 m (1 to 32 ft)

Operating Temp

1 °C to 50 °C (34 °F to 122 °F)

Operating Pressure

0 to 6 bar (standard); wiper version: up to 0.3 bar

Materials

ABS & epoxy resin sensor body; EPDM wiper; polyamide housing

Protection

Rated IP68—fully submersible and rugged

Installation Tips

Minimum 50 cm clearance from basin rim; no obstructions within measurement cone; install ≥20 cm below water surface; up to 100 m cable with accessories like CYK11 cable, junction boxes

System Components

A fully functional measuring system typically includes:

  1. Turbimax CUS71D ultrasonic sensor
  2. Liquiline CM44x multi-channel transmitter
  3. Optional Accessories:
    • Weather protection cover (CYY101)
    • Holder assemblies (Flexdip CYH112 or CYA112)
    • Dip pipes or splash protection caps
    • PVC protectors for surface skimmer zones

Summary

The Turbimax CUS71D is a smart, maintenance-optimized, and reliable ultrasonic sensor tailored for demanding interface measurement in water and wastewater treatment. With Memosens digital storage, optional wiper, and flexible mounting, it's built for long-term deployment with minimal upkeep.


Product Tags:

ultrasonic sludge interface sensor

      

EMF turbidity analyzer sensor

      

industrial pressure transmitter sensor

      
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