Agilent Technologies J3972A - Manual (Page 67)

Installation
Installing the Probe
47
Wall Installation
Use the following procedure to install the probe on a wall:
1. Attach the installation brackets to the probe with the 10-mm #M4 screws
(included), using a POZIDRIV

#2 or cross-head screwdriver as shown in
Figure 3-2 on page 48.
2. Attach the probe to a wood surface (minimum 1/2-in. plywood or
equivalent) on a wall with 5/8-in. #12 wood screws or equivalent (not
included).
Figure 3-2 on page 48 shows a wall installation.