Omron ZN-DPX21-S Series User Manual page 9

5. Mounting screw holes

The screw hole is M3 and the depth of the screw is 4 mm. Do not tighten a screw with more than 4 mm
in depth. Doing so may damage the product.
6. Seal at the bottom of the main unit

Never remove the seal at the bottom of ZN-THX11-S as there is a connector used for maintenance
purpose conducted by OMRON.
7. Long-term storage
・ If the product will not be used for a long period of time, store the product in the location where the
temperature is not too high. Otherwise the built-in battery may drain faster.
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