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J4-1
New
Calibration powder for very precise calibration of digital pH meters. This type is recommended for our digital pH meters and with this set the pH meters can be calibrated to a precision of 0.01. Using ordinary pH 4 and 7 calibration fluids the precision can only be calibrated to a precision of 0.1.
9 pcs. in stock. Delivery within 24 hours. pcs. in stock. Delivery within 24 hours.
Warning: Last items in stock!
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Dissolve the powder in 250ml water.
For precise calibration, it is important that all the powder is dissolved before the pH meter is calibrated.
Contains
5 pieces. pH 4.00
5 pieces. pH 6.86
5 pieces. pH9.18
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