Overview
1-5
1.4 Inspection
This instrument was inspected before shipment and found to be free of mechanical and
electrical defects. As soon as the instrument is unpacked, inspect for any damage that may
have occurred in transit. Save all packing materials in case the instrument needs to be
returned. If damage is found, immediately file a claim with the carrier. Do not return the
instrument to Chroma without prior approval.
1.5 Ambient Environment
(1) Do not use the hardware device in a dusty
or vibrating location. Do not expose it to
direct sunlight or corrosive gas. Be sure
that the ambient temperature is 0C ~
+40C and that the relative humidity is
between 20% ~ 80%.
(2) The VPG has been carefully designed to
reduce the noise from the AC power
source. However, it should be used in an
environment with the lowest noise as
possible. If noise is inevitable, please
install a power filter.
(3) The VPG should be stored within the
temperature range of -40C ~ +85C. If
the unit is not going to use for a long time,
please store it in its original box or a
similar package at a dry place without
direct sunlight to ensure its accuracy.
1.6 Common Environment Conditions
(1) Indoor use.
(2) Altitude: 2000 meter.
(3) Temperature: 5°C to 40°C.
(4) Humidity: Maximum 80%RH at 31°C decreasing to 50%RH at 40°C.
(5) Transient Overvoltage at Mains Supply: 2500V.
(6) Pollution Degree: 2.
Keep away from the following conditions
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