Rapid Alkali Content Tester

Rapid Alkali Content Tester

It can determine the alkali content in fresh concrete, wet concrete, hardened concrete powder sample etc, concrete raw material( cement, additive).
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Product Details

Standards: CECS53:93, CECS220: 2007

Test method: ISE( Ion Selective Electrode)

Test index: Alkali content of concrete and raw material( equivalent of Na2O percentage)

Model: HNJ-ALC

The alkali (Kalium, Na ion) will react with active silica in the aggregates under specific humidity environment condition, thus will result concrete structure expansion and cracking, so the alkali content test is very important for concrete quality assessment, the rapid alkali content tester is kind of very important concrete durability test instrument.


l  Rapid test

l  Ion anti-interference agent avoid the interference of other metal ion

l  High accuracy Kalium, Na ion combined electrode

l  Large screen LCD, portable printer

l  Self-diagnose function, PC analysis software available

l  Mass data storage, can storage 100 groups data

l  Continuous data record.


Technical specifications

Power supply

AC 220V

Work voltage

DC 3.6V

Test range


Test accuracy


Operation temperature




Main machine size


Main machine weight

0.4 kg

Main machine overall size


Total weight


Data storage

100   groups

PC communication baud rate        


Sampling time


Stand-by time

>24   hr

LCD resolution



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