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BioTector B3500ul – High-precision online TOC sensor for ultrapure water applications

BioTector B3500ul – High-precision online TOC sensor for ultrapure water applications
Brand: HACH
Product Code: B3500ul
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Specifications: (see all)
Measured Parameters
TOC; TIC; TC; VOC (via correlation); COD, BOD (if correlated)
Measurement Method
Two‑Stage Advanced Oxidation (TSAO) followed by NDIR CO₂ detection
Measurement Range
0–5000 µg/L C
Detection Limit
LOD ≈ 80 µg/L
Measurement Accuracy
Repeatability ± 2 % of reading or ± 6–15 µg/L C, whichever is greater
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The Hach BioTector B3500ul is a robust online analyzer for measuring TOC, TIC, TC, VOC (via correlation), COD, and BOD (if correlated) in ultrapure and process water. It handles contaminant concentrations up to 5000 µg/L C, uses patented Two‑Stage Advanced Oxidation (TSAO), and delivers 99.86 % uptime with service intervals every six months. Equipped with Modbus RTU/TCP, optional Profibus, 4–20 mA outputs, and a 40×16 character backlit LCD with LED status indicators. Stores up to 9999 results and fault/event logs.

Tags: TOC Analyzer

TOC Analyzer
Measured Parameters
TOC; TIC; TC; VOC (via correlation); COD, BOD (if correlated)
Measurement Method
Two‑Stage Advanced Oxidation (TSAO) followed by NDIR CO₂ detection
Measurement Range
0–5000 µg/L C
Detection Limit
LOD ≈ 80 µg/L
Measurement Accuracy
Repeatability ± 2 % of reading or ± 6–15 µg/L C, whichever is greater
Analysis Time
Cycle time ~5 minutes (application dependent)
Throughput
Approximately ~12 samples/hour (~5 min cycle)
Sample Type
Ultrapure, process, condensate, cooling water samples
Sample Volume
Not specified
Calibration
Calibration using ultrapure water (18 MΩ·cm, <5 µg/L TOC)
Power Supply
115 VAC, 50/60 Hz
Interfaces and Outputs
Modbus RTU/TCP, optional Profibus; 2× 4–20 mA standard; digital outputs
Software / PC Compatibility
Microcontroller with membrane keyboard; compatible with Hach Claros portal (optional)
Memory / Data Storage
Stores last 9999 analysis data & 99 fault events on SD/MMC; displayable on screen
Display Type
40 × 16 character backlit LCD + LED indicators
Dimensions
1000 × 500 × 320 mm (H × W × D)
Weight
≈ 50 kg
Country of Origin
USA
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