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Online Water Alkalinity Analyzer | Automatic Titration Colorimetric Method for Drinking & Process Water Monitoring
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Online Water Alkalinity Analyzer | Automatic Titration Colorimetric Method for Drinking & Process Water Monitoring

Measurement Method: Total water alkalinity by titration colorimetric method
Measurement Range: 4.69–562.8 ppm (selectable)
Accuracy: ±5% of upper range value
Reagent Consumption: ~0.20 ml/test (approx. 2500 tests/500 ml reagent)
Operating Temperature: Ambient 10–40°C; Sample 5–40°C
Water Pressure: 0.5–5 bar (1–2 bar recommended)
Outputs & Interface: 4–20 mA, RS-485 MODBUS-RTU (optional)
 
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  • PT-K1400

  • TOP

Product Description:


The device is an on-line analyser that uses the colourimetric method to automatically determine the alkalinity of water. A peristaltic pump adds a reagent to the water sample and a colour reaction occurs. The instrument calculates the alkalinity concentration of the water by evaluating the intensity of the colour or by determining the value at which the colour changes. The measuring range of the instrument depends on the type of reagent.


It is used for continuous monitoring and control of water alkalinity concentration in aqueous solutions in drinking water treatment plants, tap water, boiler water, air-conditioning water and corporate process water.


It is recommended that the dosing pump tubes, reagent tubes and O-rings be replaced after 50,000 analyses or every 6 months, and that the measuring chamber be cleaned regularly - at least every 6 months.


Technical parameters:


Item

Detailed parameters

Measurement items/measurement methods

Total water alkalinity (titration colourimetric method)

Measurement range

4.69-187.6/7.04-281.6/9.38-375.2/14.07-562.8ppm (range selectable)

Accuracy

±5% of the upper line value for each reagent

Reagent consumption

Approx. 0.20 ml/test, depending on water hardness

Number of uses

Approx. 2500 analyses/500ml reagent for low alkalinity. The dosage depends on the hardness of the water measured and the reagent used.

Power consumption

25 VA (during operation)

3.5 VA (during standby)

Protection class

IP54

Ambient temperature

10°C–40°C

Temperature of water sample

5°C–40°C

H

Humidity

20-90% RF (free of ice and condensation droplets)

Water pressure

0.5-5 bar (maximum) (1 -2 bar recommended)

Water inlet requirements

Clear, colourless, no solid particles, no bubbles

Water quality requirements during alkalinity measurements

pH: 4-10, Iron: <3ppm, Copper: <0.2ppm, Aluminium: <0.1ppm, Manganese: <0.2ppm

Analogue output

Acid capacity: KS 4.3<5mmol/l

Communication interface (optional)

4-20mA

Dimensions/Weight

RS-485 MODBUS-RTU output

Mounting method

400x300x200mm (WxHxL), approx. 4.0kg

Maintenance cycle

Every 6 months

Cleaning of the measuring chamber (when the ambient/water temperature is high or the water contains high levels of living matter, the cleaning cycle should be shortened accordingly).

Every 50,000 analyses

Installation of the maintenance device


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ZHEJIANG TOP INSTRUMENT CO.,LTD., as a subsidiary of TOP Cloud agri, is a high-tech enterprise specializing in the R&D, manufacturing, sales for laboratory equipments, and provision of comprehensive laboratory solutions.

CONTACT US

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