3-6 Installation and Service Guide N5251-90001
PNA Series Microwave Network Analyzer System
N5251A
System Installation
Site Preparation
Environmental Requirements
Syste
m Heating and Cooling
Install air conditioning and heating, if necessary, to maintain the ambient temperature within the
appropriate range (as given in the table above). Air conditioning capacity must be consistent
with the BTU ratings given in Table 3-3 on page 3-5.
Required Conditions for Accuracy Enhanced Measurement
Accuracy-enhanced (error-corrected) measurements require the ambient temperature of the
N5251A to be maintained within ± 1 C of the ambient temperature at calibration.
The environmental requirements sho
wn below are characteristic for the system and are
based on the limitations of the N5227A network analyzer used.
Table 3-4 Environmental Requirements
Temperature
Operation
5 C to 40 C (41 F to 104 F)
Storage
-40 C to +65 C (-40 F to +158 F)
Measurement Calibration
20 C to 26 C (68 F to 79 F)
Performance Verification
Temperature must be within 1 C (1.8 F)
of the temperature at which the
measurement calibration was performed.
Relative Humidity
Type tested at 95%, +40 C (non-condensing)
Pressure Altitude
Type tested 0 to 4600 meters (~15,000 feet)
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