pH 4.00 Calibration - Atlas Scientific

Marsoni

M251S

$39.00

Get it in 3 business days with 1 day shipping. Friday, May 29

pH 4.00 Calibration - Atlas ScientificpH 4. 00 Calibration Atlas Scientific High accuracy sensors require high accuracy calibration solutions. Atlas Scientific pH calibration solutions are made using a four stage process to ensure the highest accuracy. If you need a certificate on analysis, just email support with the lot number and expiration date of your calibration solution. pH 4. 00 Works with any pH Probe 125ml (4oz) or 250ml (8oz) 0. 02 pH at 25C standardized against NIST certified

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Really nice and clean looking watch. Fairly easy to adjust the watch band, with a little patience. Item description stated battery operated, but I don’t think it is as there is no indication that it has a battery in it. Other than that, really decent watch! I would have given it a five star rating if it were battery powered.

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Reviewed in the United States on March 23, 2026