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Online Water Hardness Analyzer | Colourimetric Method | Continuous Monitoring | Drinking & Boiler Water Testing
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Online Water Hardness Analyzer | Colourimetric Method | Continuous Monitoring | Drinking & Boiler Water Testing

Measurement Method: Colourimetric titration for total water hardness
Measurement Range: Multiple selectable ranges from 0.53 to 534 ppm
Accuracy: ±5% of full-scale value per reagent
Reagent Consumption: Approx. 0.20 ml per analysis, ~2500 analyses per 500 ml reagent
Power Supply: 85-265 Vac, 25 VA (operation), 3.5 VA (standby)
Environmental Requirements: Operating temperature 10°C–40°C; sample water temperature 5°C–40°C; humidity 20-90% RH
Protection Level: IP54, analogue 4-20mA output (optional)
 
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  • PT-K1300

  • TOP

Product Description

The device is an on-line analyser that uses the colourimetric method to determine water hardness automatically. A peristaltic pump adds a reagent to the water sample and a colour reaction occurs. The instrument calculates the water hardness concentration 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 hardness 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 hardness (titration colourimetric method)

Measurement range

0.53-5.35/1.6-16/5.34-53.4/16-160/26.7-267/53.4-534ppm (range selectable)

Accuracy

±5% of top line value for each reagent

Reagent consumption

Approx. 0.20ml/analysis depending on water hardness

Number of uses

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

Supply Voltage

85-265 Vac (47-63Hz)

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

Humidity


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 hardness measurement

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

Mounting

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

  +86-571-86062776
 +86-571-86059660
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