Floor Vibration; Air Cleanliness; Air Flow - Agilent Technologies 4072A Advanced Pre-Installation Manual

Floor vibration

In addition to the conditions described in "Temperature and humidity", Agilent Technologies recommends that the
following vibration conditions should be satisfied for measuring low-current and low-voltage with the 4073A/B:
≤ 1 mG
Floor vibration:
Floor vibration transmission frequency: ≥ 10 Hz

Air cleanliness

Your 4072/4073 tester must be located in an area where the air purity meets or exceeds class 100,000 standards.
Also, to ensure trouble-free disk and disk drive operation, system controller peripherals should be located in an
environment of similar air purity.
NOTE
Agilent Technologies recommends that the following air cleanliness condition should be satisfied
for measuring low-current and low-voltage with the 4073A/B:
Air cleanliness:

Air flow

To prevent the 4072/4073 tester from disturbing the air flow, it is recommended that your clean room use a down
flow mechanism. The 4072/4073 tester uses an air cooling method to cool down system components. The system
cabinet is equipped with three cooling fans to draw out the warm air. The cooling fans are located in the top of the
rear door as shown in Figure 2-12, and can pull out a maximum of 10 cubic meters per minute (approximately
3
35400 ft /min.).
Figure 2-12 Air flow and fan location
fan
air duct
air flow:
maximum 10 m /min
Chapter 2
Agilent 4072/4073 Preinstallation Guide, Edition 4
< class 10,000
3
Environmental Considerations
rear door
side panel
Site Preparation
29