Boonton PIM 31 User Manual - Manual (Page 21)

21
4.2 USING HIGH PERFORMANCE RF CABLES
Cables are as vital to proper PIM testing as any of the other accessories are.
Treat them with the appropriate care. All hints listed above for accessories apply
to cables as well. Always use cable caps to protect connectors when the cable is
not in use. The bending radius for the PIM31 cable delivered by Boonton is 20cm
/ 8 inches. To prevent damage, coil cable no tighter than 40 cm / 16 inches in
diameter. A transit case for PIM31 systems is available. This case has dedicated
space for test systems, accessories and also the low PIM cable. For more
information please refer to the chapter on accessories.
“Treat accessories and cables for what they are:
High precision measurement devices”
PIM tests measure the device in the testing path that generates the highest level
of PIM. Worn or malfunctioning accessories lead to inaccurate measurements.
Remember you want to measure the PIM level for the RF path or device under
test, not a worn accessory or test cable. Inspect your accessories and cables
prior to each use, and treat them as part of a high precision measurement
device.