5 Specifications
160 E4418B Power Meter User’s Guide
1 mW Power Reference
1
Power Output
1.00 mW (0.0 dBm). Factory set to ±0.4% traceable to National Physical
Laboratory (NPL), UK.
Accuracy (for two years)
±0.9% (0 to 55 ºC)
±0.6% (25 ± 10 ºC)
±0.5% (23 ± 3 ºC)
SWR
2
1.06 maximum (1.08 maximum for Option 003)
Frequency
50 MHz nominal
Connector
Type- N (f), 50 Ω
1. National metrology institutes of member states of the Metre Convention, such as the National
Institute of Standards and Technology in the USA, are signatories to the Comité International des
Poids et Mesures Mutual Recognition Arrangement. Further information is available from the
Bureau International des Poids et Mesures, at http://www.bipm.fr/
2. This SWR specification is only warranted for the E4418B and the E4419B Power Meters with
serial prefix GB4331xxxx/MYxxxxxxxx and above. Prior to this prefix the values shown are
supplemental characteristics.
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