General Specification
Product Name: Automatic COD Monitor
Model Name: CODA-500
Purpose: Measures COD concentration in water
Dimensions: 600(W)×510(D)×1600(H) mm
Mass: Approx. 150 kg
Power Source: 100-240V AC±10% (50/60 Hz)
Power Consumption: 100-120 AC: Approx. 250VA, 120-240 AC: Approx. 350VA
Installation: Indoor, Overvoltage category II, Pollution level 2
Performance
Measurement Range: 0-20 mg/L to 2000 mg/L (various ranges)
Repeatability: Within ±1% to ±5% F.S. depending on range
Stability: Zero drift within ±3% to ±5% F.S. over 24 hours
Measuring Principle: Acidic and Alkaline potassium permanganate methods at 100ºC
Measurement Points: Standard 1 point, optional 2 points
Measurement Interval: 60 minutes
Conditions: Ambient temperature 2-40 ºC, Humidity 85% max.
Sample Water Conditions
Temperature: 2-40 ºC
Flow Rate: 2-20 L/min or 5-20 L/min depending on tank
Chloride Ion Concentration: Varies by method
Sampling Point: Within 3 m from main unit
Blank Water Conditions
Supply Method: Tap water or optional pure water tank
Water Quality: Tap water without COD, hardness 100 mg/L max.
Water Supply Pressure: 100-500 kPa
Consumption: 20-420 mL depending on setup
Installation Conditions
Location: Well-ventilated, flat, stable, free from dust and corrosive gases
Input/Output Specification
Display: LCD color touch panel
Analog Output: Standard 3 points, optional 6 points
Contact Output: Standard 14 points, optional 21 points
Analog Input: Standard 1 point, optional 2 points
Contact Input: Standard 9 points, optional 17 points
Functions
Includes measurement start, calibration, cleaning, and various error and status outputs
Load Calculation: COD load calculation
Memory: 1 year, external USB memory
Communication: RS-485 standard, optional RS-232C, Modbus® protocol
Printer: Standard 58 mm with automatic take-up device
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