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©
National Instruments Corporation
2-1
DAQMeter DAQCard-4050 User Manual
Chapter
2
Installation and
Configuration
This chapter explains safety instructions and describes how to install
and configure a DAQMeter DAQCard-4050.
Safety Instructions
Caution:
DO NOT OPERATE THIS DEVICE IN AN EXPLOSIVE ATMOSPHERE
OR WHERE THERE MAY BE FLAMMABLE GASES OR FUMES.
Equipment described in this document must be used in an Installation
Category II environment per IEC 664. This category requires local level
supply mains-connected installation.
To prevent safety hazards, the maximum voltage between either of the
inputs and the ground of the computer should never exceed ±250 VDC
or 250 V
rms
.
DO NOT OPERATE DAMAGED EQUIPMENT. The safety protection
features built into this device can become impaired if the device becomes
damaged in any way. If the device is damaged, do not use until
service-trained personnel can check its safety. If necessary, return the
device to National Instruments for service and repair to ensure that its
safety is not compromised.
Do not operate this equipment in a manner that contradicts the
information specified in this document. Misuse of this equipment could
result in a shock hazard.
DO NOT SUBSTITUTE PARTS OR MODIFY EQUIPMENT. Because of
the danger of introducing additional hazards, do not install unauthorized
parts or modify the device. Return the device to National Instruments for
service and repair to ensure that its safety is not compromised.
!