Digital guide
You are here:
Yokogawa SEC401‑11‑BCOUPLES401
- Product Name: SEC401 Series Conductivity Analyzer / Electrode Assembly with Coupling Fitting
- Product Series: SEC401 Water Quality Analysis Sensor & Transmitter Assembly
- Technical Specifications: Measurement range: 0‑200 mS/cm; Cell constant: 1.0 cm⁻¹ standard; Operating temperature: 0‑80 °C; Power supply: 24 VDC; Output signal: 4‑20 mA; Protection class: IP68 (sensor part)
Detailed content
- Functional Features: On‑line water conductivity continuous measurement; Temperature automatic compensation; Built‑in electrode self‑cleaning interface; Coupling quick‑connection installation; Anti‑fouling measurement design
- Performance Parameters: Measurement accuracy: ±1% FS; Temperature compensation range: 0‑100 °C; Response time ≤3 s; Long‑term stability: ≤0.5% FS/year
- Material Composition: 316L stainless steel electrode housing; Titanium alloy measuring electrode; PTFE insulation components; EPDM sealing gaskets; BCOUPLES401 stainless steel coupling fitting
- Structural Characteristics: Probe‑type integrated structure; Threaded coupling quick‑connect interface; Detachable electrode‑transmitter wiring; Flow‑adapted measuring head design
- Working Principle: Uses two‑electrode conductivity measurement principle; Detects solution conductivity by measuring alternating‑current impedance between electrodes; Compensates temperature influence and converts impedance signal to standard analog output
- Advantage Highlights: High corrosion resistance; Quick installation via coupling fitting; Wide water quality measurement range; Stable long‑term measurement performance
- Applicable Industries: Pure water treatment; Boiler feed water monitoring; Pharmaceutical water for injection; Semiconductor ultra‑pure water; Chemical wastewater discharge monitoring
- Installation Requirements: Pipeline immersion/flow‑through installation via BCOUPLES401 coupling; Ensure electrode fully immersed in measured liquid; Avoid air bubbles around measuring head; Vertical downward installation recommended
- Usage Precautions: Regular electrode cleaning every 1‑3 months; Avoid exposure to strong oxidizing liquids for long periods; Prevent mechanical scratch on electrode surface; Calibrate with standard conductivity solution periodically
