The DUC2-CL-H-D Disinfectant Chlorine Meter is a professional-grade digital controller designed for precise measurement of chlorine concentration in various water treatment applications. Operating on 18-36V DC power, this instrument features 2 SPST relays and advanced monitoring capabilities for industrial water management.

• 3.2-inch LCD display with 128×64 resolution for clear data visualization
• IP66-rated reinforced ABS enclosure for superior environmental protection
• 2 programmable SPST relays (3A/250VAC max load)
• Dual 0/4-20mA current outputs with 1000Ω max load
• Built-in clock and 14,000-point historical data recording
• RS485 communication with MODBUS RTU protocol support
• Power-off protection for indefinite parameter retention
• Multiple installation options: wall, pipe clamp, or panel mounting

This chlorine meter is ideal for online monitoring in drinking water treatment, industrial process water disinfection, sewage treatment plants, circulating cooling water systems, and swimming pool water quality management where precise chlorine concentration measurement is required.

• pH Range: 6-8
• Temperature Range: 0-45°C
• Response Time: T90 ~30 seconds
• Applications: Fresh water free of surfactants

• pH Range: 4-12
• Applications: Fresh water and seawater

• pH Range: 4-9
• Pressure Range: 0-3 bar

• Applications: Swimming pools, drinking and seawater

• pH Range: 6.5-9
• Applications: Chlorine absence detection

• Temperature Range: AS2: 0-50°C, AS3: 0-70°C