美国NDT James C-CL-3000 Chlorimeter混凝土氯离子含量测定仪
A field kit for the determination of chloride ion content in concrete, fresh cement, masonry, most other construction materials, and water.
Applications
Service life prediction
Corrosion analysis
Features & Benefits
Fast - Results within minutes at the site.
Economical - Low cost per sample compared to laboratory testing.
Accurate - Results are comparable to laboratory testing.
Covers wide range from 0.002% to 2% chloride by weight
Internal Memory to store readings for later upload to a PC via USB.
Digital display for direct reading of percentage of chloride by weight.
Conforms to AASHTO-T- 260.
Menu in English and Spanish.
The Chlorimeter produces results on-site, within minutes that are accurate and comparable to expensive laboratory tests. It measures the electrochemical reaction of a weighted sample placed in an extraction liquid. It automatically shows a temperature compensated reading of percent of chlorides on its digital display. A wide range - from 0.002 to 2% chloride by weight - is covered.
Technical
The determination of the chloride ion concentration in concrete is essential in assessing the need for maintenance on, for example, bridge decks and parking structures. The test can also be used to ensure that materials used in new construction are free from potentially harmful chloride ion levels.
With this method, the concentration of acid soluble chlorides is measured. In most cases, this is equivalent to total chloride concentration.
A sample of powder is obtained by drilling and careful quartering. Then an accurately weighed 3 gr. (0.1 oz) sample is dissolved in 20 ml (0.67 fl. oz.) of extraction liquid which consists of a precise, measured concentration of acid. For sampling wet concrete a 3 gr. (0.1 oz.) sample of mortar (i.e. without coarse aggregate) is used. Typically for concrete, samples that are to be analyzed for chloride are obtained at various depths, thereby supplying the engineer with a chloride ion profile.
A uniquely designed instrument converts the voltage generated by the chloride concentration and sensor into a reading for the user. The instrument automatically applies the temperature correction and it shows the chloride concentration on a LCD display percentage by weight. The unit uses 4 'AA' batteries for power. The Chlorimeter can also store test results and upload them to PC via USB.
Replacement packs, containing twelve bottles of extraction liquid, each for one time use, are available. Five calibration liquids each with known concentrations are supplied with each pack. Bulk packs of one hundred extraction liquids are also available for larger testing jobs.
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C-CL 3700
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Chloride combination electrode with externally mounted
temperature sensor, cable, and connectors.
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C-CL 3020
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Battery powered, high impedance, electronic meter, with
temperature compensation circuits and microprocessor for direct conversion to
percentage of chloride. Uses four 'AA" size batteries.
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C-CL 2012
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Optional pack of 12 jars each with 20 ml (0.67 fl. oz.) of
extraction liquid and 5 jars of colored calibration liquid.
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C-CL 1030
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Bottle of electrode wetting agent.
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C-CL 2096
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Optional bulk pack of 100 jars extraction liquid and 20 jars of
colored calibration liquid.
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