Endress+Hauser CYK10-A201 – Digital Conductivity Transmitter | Memosens Platform
The Endress+Hauser CYK10-A201 is a field-mounted digital transmitter engineered for precise conductivity measurement in demanding industrial process environments. Built on Endress+Hauser’s proven Memosens digital sensor technology, the CYK10-A201 delivers galvanically isolated, drift-free signal transmission — eliminating the measurement errors caused by moisture ingress and cable impedance that plague conventional analog sensor loops.
Designed for procurement engineers and process automation specialists who require traceable, specification-accurate instrumentation, the CYK10-A201 is a trusted component in water treatment, chemical processing, pharmaceutical manufacturing, and power generation facilities worldwide.
Complete Technical Specifications
| Manufacturer | Endress+Hauser |
| Model / SKU | CYK10-A201 |
| Product Series | Memosens CYK10 |
| Measurement Parameter | Conductivity / Resistivity / TDS / Salinity |
| Sensor Interface | Memosens digital (inductive, galvanically isolated) |
| Output Signal | 4–20 mA HART |
| Display | Backlit LCD, 4-line alphanumeric |
| Supply Voltage | 10.5–30 V DC (non-Ex) / 10.5–30 V DC (Ex) |
| Enclosure Rating | IP67 / NEMA 4X |
| Ambient Temperature | -20 to +60 °C (-4 to +140 °F) |
| Process Temperature Range | Sensor-dependent (up to 130 °C typical) |
| Mounting | Field-mount, panel-mount, pipe-mount (optional bracket) |
| Housing Material | Polycarbonate / Stainless steel option |
| Communication Protocol | HART 7 (FDT/DTM, FieldCare, DeviceCare compatible) |
| Approvals / Certifications | CE, ATEX, IECEx, cULus (model-dependent) |
| Weight | ~3.0 kg (transmitter unit) |
| Country of Origin | Germany |
Proven Application Environments
- Water & Wastewater Treatment – Continuous monitoring of conductivity in RO permeate, demineralized water, and effluent streams
- Chemical & Petrochemical Processing – Concentration control of acids, alkalis, and process solutions
- Pharmaceutical & Biotech (USP/EP) – Purified Water (PW) and Water for Injection (WFI) quality verification
- Power Generation – Boiler feedwater, condensate, and cooling water purity monitoring
- Food & Beverage (CIP/SIP) – Cleaning-in-place phase detection and rinse verification
- Semiconductor Fabrication – Ultra-pure water (UPW) resistivity measurement
Engineering Advantages
- Memosens Digital Protocol – Sensor calibration data stored in the sensor head; swap sensors without recalibration downtime
- Galvanic Isolation – Inductive signal coupling eliminates ground loops and moisture-induced measurement drift
- Predictive Diagnostics – NAMUR NE 107 compliant status signals; integrates with asset management systems via HART
- Plug-and-Play Sensor Exchange – Hot-swap capability reduces maintenance windows and unplanned shutdowns
- Multi-Parameter Display – Simultaneous display of conductivity, temperature, and calculated values (TDS, salinity, concentration)
- Robust IP67 Enclosure – Suitable for outdoor installation and washdown environments
System Architecture & Signal Flow
The CYK10-A201 operates as the field transmitter head in an Endress+Hauser Memosens measurement loop:
- Sensor (e.g. CLS21D / CLS54D) → Measures conductivity cell constant and temperature via inductive Memosens link
- CYK10-A201 Transmitter → Digitally processes raw sensor data; applies temperature compensation; calculates derived values
- 4–20 mA / HART Output → Transmits to DCS, PLC, or SCADA (e.g. Siemens S7, ABB 800xA, Emerson DeltaV)
- Asset Management → FieldCare / DeviceCare via HART for remote parameterization, diagnostics, and calibration records
Sourcing & Quality Verification
All Endress+Hauser instruments supplied by Konmask.com are sourced through verified industrial supply channels. Each unit is:
- Inspected against manufacturer datasheet specifications prior to dispatch
- Supplied with original manufacturer documentation where available (calibration certificate, EU Declaration of Conformity)
- Traceable by serial number to Endress+Hauser production records
- Packaged in anti-static, moisture-resistant materials for international freight
Procurement Process
- Confirm Part Number – Verify CYK10-A201 against your instrument tag datasheet and P&ID requirements
- Request Quote – Contact support@konmask.com for volume pricing, lead time, and export documentation
- Order Placement – Purchase Order accepted via email; proforma invoice issued within 24 hours
- Shipping – DHL Express / FedEx International Priority; EXW Xiamen or CIF destination port available
- Documentation – Commercial invoice, packing list, COO certificate, and MSDS provided as standard
Technical FAQ
Q: Is the CYK10-A201 compatible with all Memosens sensors?
A: Yes. The CYK10 platform supports all Endress+Hauser Memosens-enabled conductivity sensors (inductive and conductive types), including CLS21D, CLS54D, and CLS16D series.
Q: Can the CYK10-A201 be used in ATEX Zone 1 hazardous areas?
A: The base A201 configuration is non-Ex rated. For hazardous area installations, specify the CYK10-A101 (ATEX/IECEx) variant. Confirm your area classification before ordering.
Q: What DCS/PLC systems is the HART output compatible with?
A: The 4–20 mA HART 7 output is universally compatible with all major DCS and PLC platforms including Siemens SIMATIC, ABB System 800xA, Emerson DeltaV, Honeywell Experion, and Yokogawa CENTUM.
Q: What is the typical lead time for CYK10-A201?
A: In-stock units ship within 3–5 business days. For large volume orders or certified documentation requirements, allow 7–14 business days. Contact us for current stock status.
Q: Does Konmask provide calibration certificates?
A: Original manufacturer calibration documentation is provided where available. Third-party NIST-traceable calibration can be arranged upon request at additional cost.
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