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Air quality meter IAQ / indoor - 0 - 5 000 ppm | HD 21AB /HD 21AB17
The HD 21AB and HD 21AB17 are indoor air quality meters, developed by Delta Ohm. Their memory systems can store up to 67,600 recordings, divided in 64 blocks. They use the software DeltaLog10 version 0.1.5.3.. The meters follow ASHRAE 62.1 – 2004 with Legislative Decree 81/2008 standards, in working in areas with space limitations that are used by people. These areas include the kitchen, bathroom, changing area, and swimming pool because they are highly humid. The meters are also equipped with large Dot Matrix graphical displays, with resolution rates of 160 x 160 dots.