Tektronix 1705A - Manual (Page 27)

Introduction
1- 8 1705A Spectrum Monitor
Table 1- 6: Certifications and Compliances (cont.)
Safety Certification Compliance
Temperature, operating +5 to +40 _ C
Altitude (maximum operating) 2000 meters
Equipment Type Test and measuring
Safety Class Class 1 (as defined in IEC 1010-1, Annex H) -- grounded product
Overvoltage Category Overvoltage Category II (as defined in IEC 1010-1, Annex J)
Pollution Degree Pollution Degree 2 (as defined in IEC 1010-1). Note: Rated for indoor use only.