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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