*3: To be specified when you place an order. *2: This means the optionally addable specifications such as 2-point measuring, 2 ranges and reagent line cleaning,and also means using the reagent cleaning function of CODA-500-C. *1: Channel-based compatibility with the former CODA-200 series products is available (standard). Provided (58 mm) with automatic take-up deviceĠ.5 mL per measurement run (used for acidic method)Ģ mL per measurement run (used for reagent cleaning function)ġ mL per measurement run (used for alkaline method) Lack, Line Select, Flow Mainte, Flow Err., Flow Powerĭata retention for 1 year (measurement values) No-voltage a-contact input (open collector is available) (optional: Lack Reagent)įlow signal (full-scale value may be specified freely) Limit warnings (COD Hi limit, Flow limit, and COD Hi Load), COD H.Hi limit, Sample Lack, Total Alarm 1 to 6, various gauge errors, etc. Meas., Cal., Standby, Cleaning, Blank Meas., Synchro. (Only 30 V DC, 3 A are available for 'Maintenance' contact.)

Optional: 0 mA to 16 mA DC, 0 V to 1 V DC, and 1 V to 5 V DCĬOD concentration, time COD load, and time flow rate Standard 4 mA to 20 mA DC, 0 mA to 16 mA DC Atmosphere free from dust, mist, corrosive gas, etc.Flat and stable location with minimized vibrations and shocks.Well ventilated indoor location without exposure to direct sunlight.Measurement range and cleaning function setting). Optional: Supply from deionized water tankġ00 kPa to 500 kPa (at the connection of the instrument inlet)Ģ0 mL to 420 mL per measurement run (depends on the (The alkaline method is not influenced by chloride ion concentration.įor more than 100 times the full-scale value, select the alkaline When the overflow tank (optional) is usedĠ.5 L/min to 5 L/min (depends on the overflow tank type)ĬODA-500-A: Up to 1 time the full-scale valueĬODA-500-C: Up to 100 times the full-scale value (maximun)* 6 (by selecting this method when the chloride ion concentration is low) Potentiometric titration at constant current

Optional specification* 2: Within ±5% of full-scale valueģ0 mg/L to 500 mg/L: Within ±4% of full-scale valueĪcid potassium permanganate method at 100℃Īlkaline potassium permanganate method at 100℃

(Actual upper limit of measurement is half-scale of the range.)

Transient overvoltage of main power source: Overvoltage category II (EN61010-1), pollution level 2.

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