Quick view GROWTH TECH 2.76 EC CALIBRATION SOLUTION ONE LITRE Conductivity Standard 2.76 is a solution of a known electrical conductivity (EC) used to check and calibrate EC meters. All meters require regular calibration to maintain reading accuracy. Conductivity Standard can also be used to test the accuracy of... $16.60 Add to Cart Compare
Quick view GROWTH TECH PH-4 BUFFER SOLUTION 250 MLS Growth Technology - PH Buffer 4 - 1 Litre Solutions of a known and fixed ph. These are used to calibrate pH meters. This should be done on a regular basis to ensure ongoing accuracy from the meter. Buffers & Buffer Solutions:Buffers... $7.21 Add to Cart Compare
Quick view GROWTH TECH PH-4 BUFFER SOLUTION ONE LITRE Growth Technology - PH Buffer 4 - 1 Litre Solutions of a known and fixed ph. These are used to calibrate pH meters. This should be done on a regular basis to ensure ongoing accuracy from the meter. Buffers & Buffer Solutions:Buffers... $16.60 Add to Cart Compare
Quick view GROWTH TECH PH-7 BUFFER SOLUTION 250MLS We recommend that the meter is checked with pH 7 Buffer at least once a week, and checked with pH 4 buffer at least monthly. Each pH meter comes with instructions on how to calibrate the meter. Pour enough buffer from the bottle to cover the glass end of... $7.21 Add to Cart Compare
