Ohaus Starter ST400D 0.01DO Portable Meter Air purifier so you can recover in

so you can recover in peace without disturbing others

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it provides a non-invasive

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Ohaus Starter ST400D 0.01DO Portable Meter Air purifier so you can recover inDescription: The Ohaus Starter ST400D 0. 01DO Portable Meter is a high performance, low maintenance dissolved oxygen (DO) meter equipped with optical methodology for accurate measurements. It has a measurement range of 0. 00 20. 0 mg L (ppm) and 0 50C, with a measurement resolution of 0. 01 mg L, 0. 1%, and 0. 1 C. The meter offers 0. 2 mg L (<8 mg L) or 0. 3 mg L (8~20 mg L) accuracy for DO measurements and 0. 3 C accuracy for temperature