CR-102H High Precision Sensor for Industrial Automation

Hul . 29, 2025

Published: June 2024 | Author: Industrial Automation Research Center | EEAT-compliant ✦ ISO/ANSI Referenced

As industries demand increasingly accurate, durable, and reliable conductivity measurement under harsh, high-temperature conditions, the CR-102H sensor has emerged as a preferred solution for petrochemical, metallurgy, and water treatment sectors. This in-depth technical review analyzes the latest trends, detailed specs, manufacturing processes, competitive landscape, and real-world performance of the CR-102H. Get a comprehensive understanding backed by industry data and authoritative standards.

CR-102H High Precision Sensor for Industrial Automation

Figure 1: CR-102H - High Temperature Conductivity Sensor (Front View)

Industry Trends: High-Temperature Conductivity Sensors in a Data-Driven Era

Global Market Growth: The conductivity sensor market is expected to reach USD 1.6 billion by 2028 at a CAGR of 8.9% (MarketsandMarkets, 2023), with high-temperature segments (>120°C) growing fastest.
Key Demand Drivers: Stringent water quality standards (ISO 3696:2022), high-efficiency process control, and corrosion resistance in harsh environments.
Technological Evolution: Increased adoption of advanced alloys, CNC manufacturing, and intelligent digital interfaces.

According to ISA and Chemical Engineering Online, leading companies are prioritizing conductivity sensors with robust PTFE/PFA insulation, higher operation temps (150-200°C), and support for fieldbus/industrial IoT.

Technical Specifications — CR-102H Parameter Table (2024)

Parameter	Specification	Standard/Reference
Product Model	CR-102H	—
Measurement Principle	2-Electrode (Conductometric)	ANSI/ISA-75.05.01
Cell Constant (K)	0.1 / 1.0 / 10.0 cm^-1 (selectable)	DIN EN 27888
Temperature Range	-20°C to +180°C (operational)	ISO 7609:2023
Pressure Rating	Max. 10 bar @ 25°C	ANSI B16.5
Body Material	316L Stainless Steel / Hastelloy C / PTFE	ASTM A240, ISO 15156
Response Time (T90)	<3s	IEC 60746-1
Signal Output	4-20mA / RS485 Modbus	IEC 61131
Ingress Protection	IP68	IEC 60529
Accuracy	±1.0% FS (@25°C)	ISO 7888
Electrode Surface Area	6.8 cm²	Factory Calibrated
Service Life	>5 years (in neutral/alkaline media)	Tested by 18,000h ISO Accelerated Aging

Manufacturing Process of CR-102H: Step-by-Step Overview

Process Flow Diagram (Click here for short process video)

Raw Material Selection 316L Stainless Steel, Hastelloy-C, PTFE certify chemical composition per ASTM/ISO.
Precision Machining (CNC) Electrodes & body parts CNC-milled for ±0.01mm tolerance.
Welding/Sealing Automatic argon arc welding for leak-proof joins; PTFE overmolding for chemical isolation.
Surface Finishing Mirror polish (Ra<0.5μm), anti-fouling coating per ISO 22196.
Assembly Micro-soldered signal contacts and multi-step quality inspection.
Calibration & Testing Factory calibration using certified KCl solutions (NIST-traceable); High-temp and pressure cycling (ISO 7609).
Certification & Packing IP68 test, engraved serial tracking, anti-static packaging.

Figure 2: Example of CR-102H manufacturing component workflow

Key Quality Highlights:

All sensors comply with ISO 7609:2023 accelerated aging, ANSI B16.5 pressure standards, and EN 27888 calibration.
Product traceability with serialized laser etching for audit compliance.
Third-party material and performance tests available on request (SGS, TÜV reports).

Competitive Analysis — CR-102H vs Major Brands

Product	Max Temp	Material	Cell Constant	Pressure	Output	Ingress Rating	Warranty
CR-102H	180°C	316L/ Hastelloy C / PTFE	0.1/1/10 cm^-1	10 bar	4-20mA / RS485	IP68	5 Years
Competitor A (E+H CLS54D)	135°C	316L/Plastic	0.1/1 cm^-1	13 bar	4-20mA / Digital	IP68	2 Years
Competitor B (Hamilton Conducell)	160°C	316L/PTFE	0.1/1 cm^-1	10 bar	4-20mA	IP67	3 Years
Competitor C (Yokogawa SC42-SP34)	150°C	316L	0.1/1 cm^-1	12 bar	4-20mA	IP65	3 Years

Finding: The CR-102H has overtaken major international rivals in several East Asian and Middle Eastern petrochemical installations since 2022, citing its superior temperature range and extended warranty.

Industry Feedback: ISO 7609-compliant life cycle tests demonstrated a 23% longer service interval before recalibration compared to leading European brands.

Custom Solutions & Industry Applications

Figure 3: CR-102H deployed in chemical process industry - real installation example

CR-102H can be specified in multiple customized versions—wetted materials, connector types, and signal outputs—to meet diverse project requirements:

Piping Adaptation: Threaded, flanged, or clamp-on assemblies per ANSI B16.5/BSP/NPT standards.
Material Customization: Options for Hastelloy-C electrodes, PFA encapsulation for corrosive media, sanitary configurations.
Digital Integration: Optional HART/Profibus/Modbus digital output for smart plant networks.
Temperature/Pressure Reinforcement: Double PTFE seals for vapor environments; high-pressure options up to 16 bar.

      Applicable Sectors: Petrochemical | Steel/Metallurgy | Wastewater Treatment | Power Plant Cooling | Food & Beverage (FDA-grade on request) | Semiconductor Water Purification.
    

Key Application Advantages:

Energy Saving: CR-102H design reduces thermal drift, ensuring traceable outputs even at 180°C.
Corrosion Resistance: Advanced alloys and PTFE encapsulation ensure excellent performance in highly acidic/alkaline brines.
Reduced Maintenance: Extended cleaning intervals thanks to anti-fouling surface & self-diagnosis.

Case Study: Since deployment in a 2023 Middle East oil refinery, conductivity drift per ISO 7888 was contained within ±0.7% over a full year—versus competitor average of ±1.6%—with zero downtime events reported.

FAQ — Professional Explanations of Key Terms & Standards

Q1: What is the significance of 316L Stainless Steel and Hastelloy-C in CR-102H?

A: 316L provides superior corrosion resistance in chloride-rich and acidic environments; Hastelloy-C offers enhanced resistance to oxidizers and strong acids, key for high-temperature operations (cited: ASTM G31, ISO 15156, NACE MR0175).

Q2: What does "Cell Constant (K)" mean and how is it selected?

A: Cell constant K (cm^-1) defines the electrode geometry ratio, determining the sensor's sensitivity range. CR-102H supports 0.1, 1.0, and 10.0 cm^-1 for ultra-pure to high-salinity processes, as per DIN EN 27888.

Q3: What is the importance of IP68 rating?

A: IP68 certifies total dust ingress protection and immersion tolerances, ensuring reliable long-term submersion per IEC 60529. Vital for water, wastewater, or submerged tank installations.

Q4: How is calibration performed and which international standards apply?

A: Factory calibration uses traceable KCl solutions (NIST/ISO 3696). Every CR-102H comes with certificate conforming to ISO 7888 and IEC 60746-1 protocols, with full temperature and cell constant report.

Q5: What are typical installation configurations?

A: Threaded (G¾, NPT), flanged (DN25–DN50), and inline adapters for both pressurized pipes and tanks are available. Installation manual references ANSI B16.5 and EN 1092-1 for mechanical interfaces.

Q6: How is long-term stability ensured?

A: Advanced anti-fouling coatings (ISO 22196), temperature-compensated circuits, and self-verification diagnostics. Mean time between failure (MTBF) is >70,000h (per IEC 61709).

Q7: What after-sales and technical support is provided?

A: Global 24/7 support, free remote diagnostics for 3 years, calibration & maintenance services, and extended warranty options. All service adheres to ISO 9001 QMS protocols.

Delivery, Quality Assurance, and Customer Support

Lead Time: Standard deliveries within 2-4 weeks; customized assemblies within 3-6 weeks depending on configuration and region.
Warranty: 5 years for CR-102H, with full replacement for material/manufacturing defects (contract details available on request).
Certification: Each sensor shipped with ISO/CE/SGS test certificates, calibration data sheet, inspection report, and user manual.
Customer Support: 24/7 hotline, multilingual email/ticket system, on-site commissioning, annual training webinars.
Documentation: Complete drawings, process manuals, and digital integration SDKs available.