Endress+Hauser CUS51D-AAD1A3 Capacitance Level Transmitter – Liquipoint Point Level Detection Series
Imagine a chemical dosing tank in a continuous production line — no reliable level signal, no safe overflow protection, no process integrity. A single point of failure in level detection can trigger emergency shutdowns, product contamination, or catastrophic spills. The Endress+Hauser CUS51D-AAD1A3 eliminates that risk with proven capacitance technology engineered for demanding industrial environments where measurement accuracy is non-negotiable.
The CUS51D-AAD1A3 belongs to Endress+Hauser’s Liquipoint point level detection family — a globally trusted series deployed across water treatment, chemical processing, food & beverage, and pharmaceutical industries. Within the CUS51D platform, the AAD1A3 configuration delivers a specific combination of process connection, output signal, and approval ratings that make it a preferred choice for OEM integrators and plant engineers sourcing reliable, certifiable instrumentation for critical applications.
Technical Specifications
- Model / SKU: CUS51D-AAD1A3
- Manufacturer: Endress+Hauser
- Series: Liquipoint / CUS51D
- Measurement Principle: Capacitance (point level detection)
- Output Signal: Per AAD1A3 configuration (refer to Endress+Hauser datasheet for exact output type)
- Process Connection: Per AAD1A3 configuration
- Ingress Protection: IP67 / IP68 (series standard)
- Ambient Temperature Range: –20 to +60 °C (series standard)
- Supply Voltage: Per device configuration
- Certifications: CE; additional approvals per variant
- Weight: Approx. 2 kg
Note: All specifications are sourced from Endress+Hauser official documentation. Contact us with your exact order code for full datasheet confirmation.
Key Features & Benefits
- Capacitance Point Level Detection: Reliable switching output for overfill protection, dry-run prevention, and pump control in conductive and non-conductive media.
- Compact & Robust Design: Stainless steel wetted parts and IP67/IP68 protection ensure long service life in wet, corrosive, or washdown environments.
- Easy Commissioning: Plug-and-play installation with minimal calibration — reduces engineering time and startup costs.
- Wide Media Compatibility: Suitable for liquids including water, acids, alkalis, oils, and food-grade media (depending on variant).
- Global Approvals: CE-marked and available with additional regional certifications for international project compliance.
- Endress+Hauser Reliability: Backed by one of the world’s leading process instrumentation manufacturers with 70+ years of field-proven technology.
Industry & Equipment Applications
- Water & Wastewater Treatment: Tank overfill protection, pump dry-run prevention, sump level monitoring.
- Chemical Processing: Corrosive liquid level detection in dosing tanks and reactors.
- Food & Beverage: Hygienic point level detection in storage and process vessels.
- Pharmaceutical: CIP/SIP-compatible level switching in sterile applications.
- HVAC & Building Automation: Condensate and coolant level monitoring.
- OEM Machine Builders: Integrated level switching for compact process skids and modular systems.
System Integration & Compatible Parts
The CUS51D-AAD1A3 is designed for seamless integration into Endress+Hauser Liquiline and Memosens ecosystems, as well as third-party PLC/DCS platforms via standard signal interfaces. Compatible accessories and related parts include:
- Endress+Hauser Liquiline CM44x / CM42 transmitter platforms
- Memosens digital sensor cables and adapters
- Process connection adapters (G, NPT, flange variants)
- Endress+Hauser CLM223 / CLM253 controller modules
- Siemens S7-300/400/1200/1500 PLC series (via standard I/O)
- Allen-Bradley / Rockwell ControlLogix and CompactLogix platforms
Contact our technical team for system integration support and BOM verification.
Our Quality Assurance Process
At Konmask.com, every unit of the Endress+Hauser CUS51D-AAD1A3 is sourced through verified supply channels and undergoes the following quality checks before shipment:
- ✅ Authenticity Verification: Serial number and label inspection against manufacturer records.
- ✅ Visual & Physical Inspection: Housing integrity, connector condition, and label completeness.
- ✅ Functional Pre-check: Basic electrical continuity and output signal verification where applicable.
- ✅ Secure Packaging: Anti-static and shock-resistant packaging for international freight.
- ✅ Documentation: Original manufacturer documentation and test certificates included on request.
How to Order
- Submit an Inquiry: Use the contact form or email support@konmask.com with your required quantity and delivery timeline.
- Receive a Quote: Our team will respond within 24 business hours with pricing, lead time, and availability.
- Confirm & Pay: Secure payment via T/T bank transfer, PayPal, or other agreed methods.
- Shipment & Tracking: We ship via DHL, FedEx, UPS, or freight forwarder — full tracking provided.
- After-Sales Support: Technical assistance available post-delivery for installation and commissioning queries.
Why Choose Konmask.com?
- 🌐 Global B2B Supplier specializing in industrial automation, PLC, DCS, and process instrumentation components.
- 📦 In-Stock & Ready to Ship — fast fulfillment for urgent MRO and project procurement needs.
- 🔍 Hard-to-Find Parts — we source obsolete, discontinued, and long-lead-time items across major brands.
- 📋 Full Documentation — datasheets, certificates, and compliance documents available on request.
- 🤝 Dedicated Account Support — one-on-one technical and commercial support for every inquiry.
- ✈️ Worldwide Shipping — reliable export logistics to 50+ countries with customs documentation support.
Frequently Asked Questions
Q1: Is the Endress+Hauser CUS51D-AAD1A3 a genuine, new product?
A: Yes. All units supplied by Konmask.com are sourced from verified channels. We supply new, original products. Refurbished or used units are clearly labeled as such.
Q2: What is the lead time for the CUS51D-AAD1A3?
A: Lead time depends on current stock levels. Please submit an inquiry for real-time availability. In-stock orders typically ship within 3–5 business days.
Q3: Can you provide the full datasheet for CUS51D-AAD1A3?
A: Yes. Contact us at support@konmask.com and we will provide the official Endress+Hauser technical datasheet and order code breakdown.
Q4: Do you support small quantity orders?
A: Yes, we accept single-unit orders as well as bulk procurement. No minimum order quantity (MOQ) for standard inquiries.
Q5: What payment and shipping methods are available?
A: We accept T/T (bank transfer), PayPal, and other negotiated methods. Shipping via DHL, FedEx, UPS, or sea freight depending on order size and destination.
Q6: Is the CUS51D-AAD1A3 compatible with my existing Endress+Hauser system?
A: The CUS51D series is designed for integration with Endress+Hauser Liquiline platforms and standard PLC/DCS I/O. Contact our technical team with your system details for compatibility confirmation.
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