User Guide

VMU931 User Guide
2 Safety
Please read the following information before using the VMU931.
Always respect the environmental conditions presented in the table below. The VMU931 has not been
tested for use in extreme environments.
Always handle the VMU931 with care. It is made of metal and plastic and has sensitive electronic
components inside, and can be damaged if dropped, burned, punctured or crushed.
Do not force a connector into a port. Remember to check for obstructions, make sure the connector
matches the port, and position the connector correctly in relation to the por t.
Do not try to open the VMU931. If opened, it will no longer be calibrated properly, and any warranty you
may have with Variense will be voided.
Please contact us if your sensor needs repairs. Any repairs should be done by Variense, unless other-
wise specified.
Table 2.1: Operating conditions of the VMU931
VMU931
Minimum storage/transit temperature -25°C
Maximum storage/transit temperature 70°C
Minimum operating temperature 15°C
Maximum operating temperature 40°C
Humidity (non-condensing) 20-80% RH
Keep away from Dust, soot or water
Corrosive liquids or gases
Explosive liquids or gases
Powerful electromagnetic interference
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