CR-102S — High-Precision, Durable, Easy Integration

Nov . 07, 2025

Share:

Why the CR-102S quietly became the go-to conductivity/resistivity probe

If you’ve been tracking water analytics, you’ve probably noticed a shift: plants are done with finicky lab-only gear and want rugged, inline sensors that just work. To be honest, the race is less about flashy dashboards and more about dependable signal, stable temperature compensation, and hardware that survives caustics. That’s where the CR-102S keeps popping up in my field notes—simple, tough, and built with process realities in mind.

CR-102S — High-Precision, Durable, Easy Integration

What stands out (and why operators care)

The recipe is straightforward: PT100/PT1000/NTC 10K options for temperature compensation, an electrode body in S.S.316L or titanium alloy, and a design that resists both acidic and alkaline attack. It sounds basic—actually, that’s the point. Many customers say the CR-102S behaves predictably in CIP cycles and boiler rooms, which is rarer than it should be.

Typical specifications

Measurement Conductivity / Resistivity (with temp. compensation)
Cell constant (K) ≈0.1 / 1.0 / 10.0 (selectable depending on range)
Measuring range ≈0.05 µS/cm to 500 mS/cm (with suitable K; real-world use may vary)
Temperature element PT100 / PT1000 / NTC 10K
Body materials S.S.316L and Titanium alloy (anti-acid / anti-alkaline)
Temperature / Pressure ≈0–80 °C; up to ≈0.6 MPa (typical process limits)
Ingress protection IP68 (immersion use; installer dependent)
CR-102S — High-Precision, Durable, Easy Integration

Process flow, testing, and standards (the part QA asks about)

Materials are machined (316L) or formed (titanium), then passivated; titanium surfaces receive corrosion-prep finishing. The temperature element (PT100/PT1000/NTC 10K) is potted and sealed. Electrodes are calibrated in KCl standard solutions at 25 °C, and compensation curves are verified. Typical tests include insulation resistance, leak/pressure checks, and thermal cycling.

Standards referenced in validation: ISO 7888 for conductivity in water, ASTM D1125 for lab/field procedures, and IEC 60746-3 for analyzers’ performance. Some projects also ask for EPA Method 120.1 alignment. Certifications such as ISO 9001 and RoHS can be supported upon request (documentation varies by shipment batch).

Service life: around 3–5 years in neutral/softened water; shorter with hot caustic or oxidizers. Regular rinsing and periodic mild acid cleaning (e.g., citric) extend stability.

Where the CR-102S gets deployed

  • Ultrapure/RO polishing loops (electronics, pharma utilities)
  • Boiler feed and condensate return monitoring
  • CIP caustic/acid tanks in F&B plants
  • Desalination and brackish water skids
  • Electroplating rinse control and pickling baths
CR-102S — High-Precision, Durable, Easy Integration

Vendor snapshot (why this model is picked over others)

Feature CR-102S (Watequipment) Vendor A (Generic) Vendor B (Generic)
Body material 316L or Titanium 316L only Titanium option (premium)
Temp element options PT100 / PT1000 / NTC 10K PT100 only PT100 / PT1000
Acid/alkali resistance Strong (per materials) Moderate Strong
Customization lead time ≈2–3 weeks ≈3–5 weeks ≈4–6 weeks
Approx. unit cost Mid-range Budget High

Customization and integration

Common tweaks include cable length, process thread type, and cell-constant selection. Many integrators pair the CR-102S with 4–20 mA or Modbus transmitters; validation runs typically follow ISO 7888 at 25 °C with KCl references.

Two quick case notes

  • Desalination pilot: titanium version maintained drift ≤±1.5% of reading over 90 days in brackish feed (internal log, ambient 18–30 °C).
  • Beverage CIP: 316L probe tracked 1–3% deviation vs. lab bench during caustic recovery, improving switch-over timing and cutting chemical loss.

Origin: No.188, Fengshou Road, Chang'an district, Shijiazhuang City, Hebei Province China 050041

References

  1. ISO 7888: Water quality — Determination of electrical conductivity.
  2. ASTM D1125: Standard Test Methods for Electrical Conductivity and Resistivity of Water.
  3. IEC 60746-3: Expression of performance of electrolytic conductivity measuring equipment.
  4. US EPA Method 120.1: Conductance (Specific Conductance, µmhos/cm).

Related Products

swiper-button-prev
swiper-button-next
WS-9300/9350

WS-9300/9350

WS-9200/9250

WS-9200/9250

WS-9200/9250

WS-9200/9250

JIRS-803C

JIRS-803C

JIRS-803C3

JIRS-803C3

JIRS-803C4

JIRS-803C4

JIRS-803C5

JIRS-803C5

Soil Sensor

Soil Sensor

Related News

swiper-button-prev
swiper-button-next
Guide to Choosing the Right RO Controller for Water Purification

2026-04-16 03:20:19

Guide to Choosing the Right RO Controller for Water Purification

Maintaining a high-performance reverse osmosis system requires more than just quality membranes; it demands precise regulation. An ro controller serves as the brain of the entire operation, monitoring critical parameters such as conductivity, temperature, and flow rates to ensure the output water meets stringent purity standards. Without an efficient controller, systems are prone to membrane fouling, inefficient energy use, and inconsistent water quality. In this comprehensive guide, we will explore how these devices optimize water treatment processes and how to select the best model for your specific industrial or commercial needs.

Guide to Water Purity Using RO with TDS Controller Systems

2026-04-09 03:25:47

Guide to Water Purity Using RO with TDS Controller Systems

Achieving the perfect balance of mineral content and purity in drinking water is a challenge for many households and industrial facilities. A ro with tds controller offers a sophisticated solution by combining the rigorous filtration of Reverse Osmosis (RO) with the precision of a Total Dissolved Solids (TDS) adjustment system. While standard RO systems remove almost everything, including beneficial minerals, a TDS controller allows users to re-mineralize the water to a desired level. This ensures that the water is not only safe and pure but also tastes better and provides essential nutrients.

Understanding and Optimizing Reverse Osmosis Systems with a Controller

2026-04-07 03:17:09

Understanding and Optimizing Reverse Osmosis Systems with a Controller

In the world of water purification, reverse osmosis (RO) systems are a cornerstone for producing high-quality water for various applications, from drinking water to industrial processes. However, an RO system is only as effective as its control system. This is where the reverse osmosis controller comes into play. This critical component manages and optimizes the RO process, ensuring efficient operation, water quality, and system longevity.

Understanding the Vital Role of an RO System Controller for Optimal Performance

2026-04-04 03:27:19

Understanding the Vital Role of an RO System Controller for Optimal Performance

Reverse Osmosis (RO) systems are critical for purifying water across various industries, from residential applications to large-scale industrial processes. At the heart of a well-functioning RO system lies the RO system controller. This intelligent device monitors and regulates all key parameters of the RO process, ensuring optimal performance, efficiency, and water quality. This article delves into the functionalities, benefits, and selection criteria for choosing the right RO system controller, particularly focusing on those offered by Watequipments. Understanding its role is crucial for maximizing the lifespan and effectiveness of your RO investment.

Smart Water Treatment Solutions Using PH ORP Controller Systems

2026-03-24 17:18:24

Smart Water Treatment Solutions Using PH ORP Controller Systems

In modern water treatment and industrial fluid management, maintaining precise chemical balance is essential for safety, efficiency, and regulatory compliance.

Comprehensive Guide to Water Depth Samplers and Their Applications

2026-03-04 02:55:19

Comprehensive Guide to Water Depth Samplers and Their Applications

Accurate water quality monitoring is crucial in various fields, from environmental science and aquaculture to industrial wastewater management. A key tool for this is the water depth sampler. This article provides an in-depth look at water depth samplers, their applications, types, and essential considerations for choosing the right one for your needs. We'll explore the benefits of utilizing this equipment to collect reliable data for analysis and informed decision-making. Selecting the right sampler can significantly improve the precision and efficiency of your water monitoring program. A water depth sampler, also known as a depth-integrated sampler, is a device designed to collect water samples from specific depths within a body of water. Unlike simply dipping a container into the water, a depth sampler allows for collection of a representative sample across a defined depth range. This is critical because water properties (temperature, salinity, pollutants) often vary significantly with depth. The data gathered with a water depth sampler provides a more accurate assessment of water quality than surface samples alone.

Comprehensive Guide to Horizontal Water Sampler Applications and Selection

2026-03-03 18:55:22

Comprehensive Guide to Horizontal Water Sampler Applications and Selection

Collecting water samples at varying depths is crucial for environmental monitoring, research, and quality control. The horizontal water sampler from Watequipment.com offers a precise and efficient solution for this task. This article provides an in-depth look at horizontal water samplers, their applications, benefits, and key considerations when choosing the right model. We will explore how these samplers contribute to accurate data collection and informed decision-making in various fields. A horizontal water sampler is a device designed to collect water samples from specific depths within a body of water – rivers, lakes, oceans, reservoirs, and even wastewater treatment plants. Unlike vertical samplers which primarily focus on depth, horizontal samplers prioritize collecting samples at a consistent depth while moving along a horizontal plane. This is essential for assessing water quality variations across a waterway or within a specific zone. They are used in applications ranging from environmental monitoring and scientific research to industrial process control and regulatory compliance.

Comprehensive Guide to Selecting the Right Surface Water Sampler for Your Needs

2026-02-28 02:35:09

Comprehensive Guide to Selecting the Right Surface Water Sampler for Your Needs

Monitoring the quality of surface water is critical for environmental protection, public health, and various industrial applications. A surface water sampler is an essential tool for collecting representative samples from rivers, lakes, ponds, and other surface water sources. This article provides a detailed overview of surface water samplers, their types, applications, and key considerations for selecting the right equipment. Accurate water quality data relies on proper sample collection, and choosing the correct sampler is the first step toward achieving reliable results. Surface water samplers come in various designs, each suited to specific sampling needs. Common types include grab samplers, depth-integrating samplers, peristaltic pumps, and automatic samplers. Surface water samplers are used across a broad spectrum of applications, including environmental monitoring, wastewater discharge monitoring, drinking water source monitoring, agricultural runoff analysis, and research studies.

If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.


en_USEnglish