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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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Highly recommended! I actually reordered one because I forgot one night to bring it in, then a severe storm came through and stole the umbrella, turning it upside down in the yard. Water got into the battery bays, so they rusted. I'm sure other connections inside rusted too, because after cleaning the contacts, I could not get the light to work again. But the reason I purchased a new one is because it looks so classy. Its warm light can be adjusted to three levels just by pressing the On button through the levels. Very simple. The ambiance it provides is lovely! Next to the On button is the clip that flips open to swing open the light. Place the light around the umbrella pole and snap shut the clip. The light is secured, but you can also slide it up or down to whatever height you prefer. It still remains stable and in place until you move it again. Until I left my first one out in the rain, the light worked beautifully and reliably, as does its replacement. Battery life is excellent unless you forget to turn off the light. I can't tell you exactly how long they last because inevitably after a few weeks, I do forget to turn it off. This is an inexpensive and beautiful upgrade to your patio experience. Excellent value, excellent quality, excellent lighting.

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Reviewed in the United States on June 19, 2025