The Chemical Oxygen Demand (COD) Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostic capabilities. Housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the transmitter is ideally used in water/wastewater industry.
COD Sensor (SMR44-2)
• Output Signal: RS485 (Modbus RTU protocol), 19,200 bps, 8 data bits, no parity, 1 stop bit; 4~20 mA (optional)
•Data Resolution: 16 bits (0.001% FS)
• Surge Protection: 1,500 VDC
• Power: 5~12 VDC, 53 mA (SMR44-1~4, SMR44-6, SMR44-7) ; 12 VDC, 500 mA (SMR44-5)
• Protection: Polarity, Overload, Short circuit
• Safety: CE, FCC
COD
• Measurement range: SMR44-1 (20 mm) : 0~200 mg/L ; SMR44-2 (5 mm) : 0~1,000 mg/L ; SMR44-3 (1 mm) : 0~3,000 mg/L ; SMR44-4 (0.3 mm) : 0~7,000 mg/L ; SMR44-5 (1 mm) : 0~30,000 mg/L ; SMR44-6 (50 mm) : 0~50 mg/L ; SMR44-7 (100 mm) : 0~25 mg/L
• Accuracy: ±5% in standard solution(0~15,000 mg/L); ±10% in standard solution(15,000~30,000 mg/L)
• Resolution: 0.01 mg/L
• Repeatability: ±3% in standard solution
• Light source: LED 254 nm (SMR44-1~4, MR44-6, SMR44-7) ; Xenon flash lamp (SMR44-5) Beam Angle
• Beam angle: 180°
• Light path length: 0.3, 1, 5, 20, 50, 100 mm
• Process flow rate: 0.1~10 m/s
• Operation pressure: Max.10 Kgf/cm2
• Operating temperature: 0~50 °C
• Response time: 3 secs
• Calibration Interval: Typical 24 months
• Protection: IP68
• Connection: M16X1.5 plug fixed cable, M12 connector, 5 pin
• Housing: SS316L; Titanium
• Cable: Kevlar reinforced PUR cable, 1500N tensile strength
• Dimension: SMR44-1: ø 50Χ305 mm ; SMR44-2: ø 50Χ290 mm ; SMR44-3: ø 50Χ286 mm ; SMR44-4: ø 50Χ286 mm ; SMR44-5: ø 68Χ443 mm ; SMR44-6: ø 50Χ310 mm ; SMR44-7: ø 50Χ335 mm
• Weight: analyzer: approx. 1 Kg; (SS316L); 0.8 Kg (Titanium); Cable: 80 g/m
Suspended Solids
• Measurement range: SMR44-1 (0~200 mg/L) ; SMR44-2 (0~1,000 mg/L) ; SMR44-3 (0~3,000 mg/L) ; SMR44-4 (0~7,000 mg/L) ; SMR44-5 (0~30,000 mg/L) ; SMR44-6 (0~50 mg/L) ; SMR44-7 (0~25 mg/L)
• Accuracy: ±5% measured value
• Resolution: 0.01 mg/L
• Repeatability: ±3% measured value