Water & Process Conductivity Measurement Solution – Endress+Hauser CPS11D-7BA21 | Memosens Series
Where This Product Is Used
The Endress+Hauser CPS11D-7BA21 is a Memosens digital conductivity sensor engineered for demanding inline process environments. Typical deployment scenarios include:
- Drinking Water & Municipal Water Treatment – Continuous monitoring of treated water conductivity to verify demineralization and ion removal efficiency.
- Pharmaceutical & Biotech Manufacturing – USP/EP-compliant conductivity verification in purified water (PW) and water for injection (WFI) loops.
- Chemical & Petrochemical Plants – Inline concentration monitoring of acids, bases, and salt solutions in reactors and pipelines.
- Food & Beverage (CIP/SIP) – Phase detection during clean-in-place cycles to distinguish product, rinse water, and cleaning agents.
- Power Generation – Boiler feedwater and condensate purity monitoring to prevent scaling and corrosion.
- Semiconductor Fabrication – Ultra-pure water (UPW) quality control in rinse and process baths.
Technical Specifications
| Parameter | Value |
|---|---|
| Model / SKU | CPS11D-7BA21 |
| Series | Memosens CPS11D |
| Manufacturer | Endress+Hauser |
| Measurement Principle | Inductive / Contacting (2-electrode) |
| Measuring Range | 0.01 µS/cm – 500 mS/cm |
| Temperature Range | 0 °C to +130 °C (32 °F to 266 °F) |
| Pressure Rating | Up to 10 bar (145 psi) |
| Cell Constant | 0.1 cm⁻¹ (typical) |
| Process Connection | PG 13.5 / ½” NPT (immersion / flow) |
| Cable Interface | Memosens digital (inductive, plug-free) |
| Sensor Material | PEEK / Stainless Steel 316L electrodes |
| Ingress Protection | IP68 |
| Compatible Transmitters | Liquiline CM442, CM444, CM448; Mycom CLM223 |
| Weight | ~200 g |
Why Engineers Specify This Model
- Memosens Digital Protocol – Inductive, galvanically isolated signal transmission eliminates moisture ingress errors and enables hot-plug sensor replacement without process interruption.
- Plug-and-Measure Calibration – Calibration data stored on-sensor chip; swap sensors in seconds with full traceability, reducing maintenance downtime by up to 50%.
- Wide Dynamic Range – Single sensor covers ultra-pure water to concentrated brine, reducing spare-parts inventory.
- Autoclavable & CIP/SIP Compatible – PEEK body withstands repeated steam sterilization cycles, critical for pharma and food applications.
- Integrated Temperature Compensation – Built-in Pt1000 RTD delivers accurate temperature-compensated readings without external probes.
- IIoT Ready – Memosens 2.0 compatible; sensor diagnostics and predictive maintenance data accessible via Fieldgate or Netilion cloud.
Complete System Bill of Materials
For a fully operational conductivity measurement loop, engineers typically specify:
- Sensor: Endress+Hauser CPS11D-7BA21 (this item)
- Transmitter: Liquiline CM442 / CM444 (single or multi-channel)
- Memosens Cable: CYK10 or CYK71 (5 m / 10 m options)
- Flow Assembly: CPA250 / CPA262 retractable assembly (for pressurized lines)
- Calibration Solution: CPY20 conductivity standard (84 µS/cm or 1413 µS/cm)
- Mounting Hardware: Immersion fitting PG 13.5 or ½” NPT adapter
Compliance & Industry Standards
- USP <645> Water Conductivity (Pharmaceutical)
- EP 2.2.38 Conductivity (European Pharmacopoeia)
- FDA 21 CFR Part 11 (electronic records, with Liquiline transmitter)
- ATEX / IECEx Zone 1 & 2 (confirm with full model code)
- CE Marking – EMC Directive 2014/30/EU
- RoHS Compliant
Quality Assurance & Sourcing
Konmask.com sources the CPS11D-7BA21 exclusively from authorized distributors and verified OEM channels. Every unit undergoes:
- Visual and dimensional inspection against Endress+Hauser factory specifications
- Authenticity verification via manufacturer serial number lookup
- Functional continuity check prior to dispatch
- Anti-static, moisture-proof packaging with tamper-evident sealing
All products ship with original manufacturer documentation. Counterfeit-free guarantee backed by our sourcing policy.
How to Source This Part
- Add to Cart – Click “Buy Now” or “Add to Cart” above for immediate checkout.
- Request a Quote – For volume orders (>5 units) or project-based procurement, email [email protected] with your PO requirements.
- Lead Time – In-stock units ship within 1–3 business days. Ex-stock or special configurations: 2–4 weeks.
- Export & Customs – We handle HS code 9026.20 documentation, commercial invoices, and COO certificates for international shipments.
- Payment – T/T bank transfer, PayPal, and major credit cards accepted. Net-30 available for approved accounts.
Application-Specific FAQ
Q: Is the CPS11D-7BA21 suitable for USP purified water monitoring?
A: Yes. The sensor meets USP <645> Stage 1 and Stage 2 conductivity limits when paired with a Liquiline CM442 transmitter configured for pharmaceutical mode.
Q: Can I use this sensor in a hygienic (3-A / EHEDG) application?
A: The CPS11D series is designed for general industrial and pharma inline use. For 3-A dairy or EHEDG-certified hygienic applications, consider the CPS41D or CPS71D with appropriate process connections.
Q: What is the maximum cable length with Memosens?
A: Memosens digital protocol supports cable runs up to 100 m without signal degradation, ideal for remote or hazardous-area installations.
Q: How often does the CPS11D-7BA21 require calibration?
A: Typical calibration interval is 3–6 months depending on process media. Memosens on-sensor memory stores calibration history for full audit traceability.
Q: Is this compatible with the Endress+Hauser Mycom CLM223 transmitter?
A: Yes, the CPS11D-7BA21 is backward compatible with Mycom CLM223 via the Memosens adapter cable CYK71.
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