Tests the accuracy of TRUEread(R), TRUEtrack(R) and TRUEbalance(R) meters and test strips. Applied to a test strip, control solution confirms that the meter's test results are in the expected range printed on the test strip vial. Each control solution contains a known amount of glucose. If the control result is within an acceptable range, you know that the monitoring system is working properly. 3ml.
A**1
Five Stars
great to have
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