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The SC5100 series intelligent controller is a new-generation product developed by our company based on over fifteen years of industry experience and in-depth research into user habits. This series features powerful functionality, high measurement accuracy, strong reliability, excellent anti-interference capability, and user-friendly operation.
Depending on its configuration, the controller can measure more than 30 water quality parameters, including:
pH, ORP, conductivity, TDS, salinity, water hardness, residual chlorine, dissolved oxygen, turbidity, suspended solids concentration, fluoride ion, chloride ion, ammonia nitrogen, bromide ion, nitrate, nitrite, cyanide, thiocyanate, sodium ion, potassium ion, silver ion, iodide ion, sulfide ion, hexavalent chromium, copper ion, lead ion, cadmium ion, and others.
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| Smart Residual Chlorine Controller with Stainless steel electrode | Smart Residual Chlorine Controller with Glass electrode |
General Function Description of SC5100 Series Controllers
Item | Description |
Input Impedance | >1012 Ω |
Key Features | Innovative modular circuit design using 32-bit MCU and high-performance components. Combines advanced algorithms to achieve stable and accurate measurements with excellent anti-interference capabilities. |
User Interface | Chinese/English switchable; intuitive “Navigation Menu” for simple and user-friendly operation. |
Information Inquiry | Unique “Info” one-key inquiry function to view current configuration and operation records. |
Display | High-contrast LCD with UV-resistant backlight; resolution: 192×96 |
Power Supply | 100~245VAC, 50/60Hz (optional 24VDC); power consumption < 10W |
Temperature Compensation | Supports Pt100/Pt1000/NTC10k/manual setup/automatic or no compensation; offset adjustable |
Calibration | Two-point calibration; previous calibration data automatically recorded and retrievable |
Relay Output | Two standard relay outputs; contact capacity 220V/1A; supports six working modes; suitable for chemical dosing, anti-pollution control, and timed control. |
Current Output | Two 4-20 mA outputs (optional); transmission error correction; max load 500 Ω |
Digital Communication | RS485 opto-isolated digital output; standard Modbus-RTU protocol (optional) |
Function Extension | Supports sensor cleaning, maintenance reminders, calibration alerts, and scheduled notifications |
Dimensions | External: 96×96×143 mm; Panel cutout: 92×92 mm; enclosure depth >133 mm |
Sensor | Technical specifications depend on selected sensor model |
Operating Environment | -10 ~ 60°C (14 ~ 140°F), 0-85% RH, non-condensing |
Storage Environment | -20 ~ 70°C (-4 ~ 158°F), 0-90% RH, non-condensing |
Security | Two-level password protection |
Protection Grade | IP65 |
Installation | Panel mounting |
Weight | Approx. 0.5 KG |
Controller Technical Specifications
Model： SC5106
Measuring Range: 0–20mg/L, 0–20ppm
Accuracy: 1%FS
Resolution: 0.01mg/L,0.01ppm
Analog Output: One 4–20mA channel (Load<750Ω)
Control Functions: Two relay outputs (220V/1A)
Power Supply: 220VAC/24VDC
Protection Level: IP65
Instrument Size: 96×96×143mm
Mounting Method: Panel mounting
Panel Cutout Size: 92×92mm
Sensor Technical Specifications
 | Online Residual Chlorine Sensor Model: AS706J Measurement Principle: Electrochemical Polarographic Pressure Resistance: 0.3MPa Temperature Range: 0–45℃ Temperature Compensation: NTC 10K/PT100/PT1000 (Default) Flow Velocity Range:>0.3cm/s Flow Rate Range: 30–120L/H Electrode Size: φ20mm×100m Material: Stainless Steel+ Plastic Alloy Connection Method: Top M28(Flow-through) or Top 3/4 NPT(Submersible) Applicable Environments: Tap water plants, swimming pools, disinfected wastewater, etc. |
 | Online Residual Chlorine Sensor Model: AS706D Measurement Principle: Constant Voltage with Dual Platinum Ring Structure Pressure Resistance: 0.3MPa Temperature Range: 0–45℃ Flow Velocity Range:>0.3cm/s Flow Rate Range: 30–120L/H Electrode Size: φ12mm×120mm Material: Glass Connection Method: Top PG 13.5 Applicable Environments: Tap water plants, swimming pools, etc. |
Main Application Scenarios
1.Monitoring and control in various production process fields.
2.Monitoring and treatment of pollutants such as wastewater and waste gas.
3.Dosing control and timed control for acid/base addition within specified ranges.
4.Monitoring and treatment of surface water bodies such as rivers, lakes, and landscapes.
5.Other scenarios requiring water quality parameter measurement, including IoT and big data collection.
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Multiple International Certifications: CE, IP68, RoHS, salt spray resistance, along with various domestic calibration certificates in China.
Customized Solutions by a Professional Team
More Durable Electrodes and Sensors: Designed for extended use and work seamlessly with our multi-parameter water quality analysis stations for greater convenience.
User-Friendly Interface: Even beginners can easily complete installation, calibration, and operation.
One-Year Warranty Provided (excluding consumables, starting from the date of receipt).
48-Hour Emergency Support: Global technical response network.
Multilingual Engineering Team: Fluent in English and Japanese for seamless collaboration.
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About F&V GROUP
F&V GROUP is a global industrial measurement company committed to delivering innovative, energy-efficient solutions for temperature, pressure, flow, and level applications. Established in 2021, the group unites strong international expertise with localized manufacturing and service capabilities.
Our journey began in 2011 with the founding of FVLUOKY in Wales, UK—a brand built on precision engineering and technological excellence. Over the years, FVLUOKY became a trusted name in industrial measurement across international markets.
To better serve the Asia-Pacific region, Fuyi Intelligent Instrument (Shanghai) Co., Ltd. was established in 2019, introducing FVLUOKY’s product lines to China with localized assembly, testing, and innovation. Fuyi products are fully certified (ISO, CE, TS, CPA) and tailored to regional industry needs.
With the formation of F&V GROUP in 2021, our brands were strategically integrated to accelerate global growth. By 2024, F&V had become a leading force in China and began expanding its footprint to international markets—bringing high-performance, sustainable measurement solutions to customers worldwide.
At F&V, we combine global innovation with local insight—driven by a commitment to quality, sustainability, and customer success.
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