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AQUA water quality measuring device COD automatic measuring device (reagent small quantity specification) COD-380R-COD-380R
AQUA water quality measuring device COD automatic measuring device (reagent small quantity specification) COD-380R-Anatec Yanaco Co., Ltd.

AQUA water quality measuring device COD automatic measuring device (reagent small quantity specification) COD-380R
Anatec Yanaco Co., Ltd.


About This Product

An automated device that measures COD (Chemical Oxygen Consumption), an important parameter for knowing the water quality of river water or industrial wastewater, based on the Japanese Industrial Standard JIS K0102 (Industrial Wastewater Testing Method) and Sewage Testing Method. is. While maintaining the maintainability and measurement performance of the previous model, it is now equipped with an LCD touch panel, schedule measurement function, etc. Additionally, the amount of reagents required for measurement is halved compared to ours, reducing reagent running costs.

■Features

・The boiling water circulation method enables measurement under the same heating temperature conditions as the JIS method, providing highly reliable measurement values. - End point detection uses a unique low current polarization potential difference method that can differentially detect redox potential, allowing accurate end point detection. ・In addition to data printing such as measured values ​​and measured value bar graphs, it also has a self-diagnosis function that prints out abnormalities in the device. - Reduced reagent consumption to 1/2 compared to our company.

■Repeatability (with standard solution)

・Full scale ±1% (for measurement range 20mg/L) ・Full scale ±2% (for measurement ranges exceeding 20mg/L and below 200mg/L) ・Full scale ±3% (when measuring range exceeds 200mg/L) *For two-step dilution measurement, full scale ±4%...Option

■Stability

・Both zero and span drift (in 24 hours) ・Full scale ±3% (for measurement range 20mg/L to 200mg/L or less) ・Full scale ±4% (when measuring range exceeds 200mg/L) *For two-step dilution measurement, full scale ±5%...Option

■Installation space

Maintenance space of 1m in front and approximately 0.6m in rear is required.

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    AQUA water quality measuring device COD automatic measuring device (reagent small quantity specification) COD-380R

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1 Models of AQUA water quality measuring device COD automatic measuring device (reagent small quantity specification) COD-380R

Image Part Number Price (excluding tax) Power supply Piping diameter Mass Reagent replenishment Reagent consumption: Acid method (no silver nitrate added) Reagent consumption: Acid method (silver nitrate addition) Reagent consumption: alkaline method Sample conditions Installation conditions End point detection Titration method Measuring range Measurement method: Sulfuric acid acid potassium permanganate method Measurement method: Alkaline potassium permanganate method Measurement period Power consumption Number of samples Ground Dilution/washing water conditions External input/output 4 External input/output 3 External input/output 2 External input/output 1 External dimensions Printing method Printed content Heating method Saved data Display
AQUA water quality measuring device COD automatic measuring device (reagent small quantity specification) COD-380R-Part Number-COD-380R

COD-380R

Available upon quote

AC100V 50/60Hz (built-in earth leakage breaker)

Tap water inlet: Rp1/2 (valve socket nominal diameter 13)
Drain outlet: Rp1 (valve socket nominal diameter 25)
Sample inlet: Rc1/8 (attached union)

Approximately 120kg

Continuous measurement is possible for 14 days without reagent replenishment with a measurement cycle of 1 hour.

Potassium permanganate solution 7mL
Sodium oxalate solution 5mL
Sulfuric acid solution 5mL

Potassium permanganate solution 7mL
Sodium oxalate solution 5mL
Sulfuric acid solution 5mL
Silver sulfate solution 2.5mL
Ammonia water approx. 120mL

Potassium permanganate solution 7mL
Sodium oxalate solution 5mL
Sulfuric acid solution 5mL
Sodium hydroxide solution 5mL

Water temperature: 2~40℃
Pressure: 0.02~0.05MPa
Flow rate: 1~5L/min

Indoor installation (installed in a building as close as possible to the water sampling point, avoiding direct sunlight)
Temperature: 2~40℃
Humidity: 85%RH or less
Vibration: General factory level
Atmosphere: A place free of corrosive gases (H2S/SO2/NH3/CL2, etc.)

End point differential detection method of redox potential (galvanostatic polarization potentiometric method)

Slow injection continuous titration method using burette

Specify one range from 0~20,30,40,50,100,200,300,400mg/L (0~500mg/L or more is possible as an option)

Acidic method (no silver nitrate added): When the chlorine ion concentration is low and the catalytic effect of silver salt is less affected
Acidic method (silver nitrate addition): When the chloride ion concentration of the sample (+ dilution water) is approximately 2000 mg/L or less

Alkaline method: When the chloride ion concentration of the sample (+ dilution water) is approximately 2,000 mg/L or more

Schedule setting method (repeat measurement/arbitrary measurement) Measurement can also be started using an external start signal

Approximately 700VA (at maximum load)

1 sample (2 or more samples available as an option)

Class D grounding (separate from power grounding)

Tap water or purified water (less variation in COD value)
Water temperature: 2~35℃
Pressure: 0.1~0.2MPa
Usage amount: 0.4~0.5L/min (for cleaning, cooling, dilution)

External start input No-voltage A contact input (1 second or more)

Alarm contact output No-voltage a contact output (contact capacity 1A or less at 100V AC / 30V DC)
(Changing to b contact…optional)
Concentration upper limit alarm
Sample cutting...option
Washing water cutoff
Instrument abnormality
End point detection
Power off
Under maintenance

Measured value current output DC4.00~20.00mA±0.08mA (isolated)

Measured value voltage output DC0.000~1.000V within ±0.005V (non-insulated)

(W) 600 × (D) 600 × (H) 1,600mm (channel base type)

Thermal printer thermal paper (paper width 60mm) (automatic winding mechanism standard equipment)

Setting values, measured values, manual analysis conversion values ​​(according to y=a+bx settings), measured value bar graphs, calibration values, daily reports, power off, various alarms/abnormal location individual marks printing, etc. (forward/reverse order printing selectable) )

Boiling water circulation method (oil circulation method available as an option)

Measurement data: Approximately 6 months
End point history data: about 1 month
Alarm history data: Latest 10 items

5.7 inch touch panel LCD display
Display: time, measurement status, daily report, settings, end point detection curve history, alarm history, etc.

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