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User Manual - TRS-RenTelco

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Appendix A: Specifications<br />

Table A- 10: Certifications and compliances (cont.)<br />

Category<br />

Safety Certification Compliance<br />

Equipment Type<br />

Safety Class<br />

IEC 1000 -4 -3<br />

Standards or description<br />

Test and measuring<br />

UL61010, CSA -22.2 No. 1010.1, EN61010 -1, Class 1 (as defined in IEC 61010-1/A2) - grounded<br />

product<br />

RF field immunity<br />

3V/m,80MHzto1GHz<br />

80% amplitude modulated with a 1 kHz sinewave<br />

Performance criteria: The noise floor of the VM5000 with MIU is degraded up to 30dB while<br />

exposed to 3 V/m electric fields. This degradation is a function of both the electric field frequency<br />

and polarization; see Figure A -1 for a graph of typical behavior. For critical VM5000 Noise<br />

measurements in an environment where electric field levels are unknown it is recommended that<br />

the VM5000 Noise Floor be determined. This will show if any impairment is present for Noise<br />

measurements. See the VM5000 Option VGA Performance Verification for this procedure on<br />

page B -24.<br />

Figure A- 1: Graph of Immunity behavior<br />

A-18 VM5000 Automatic Video Measurement Set <strong>User</strong> <strong>Manual</strong>

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