N3M kits are used for calibration of scalar and vector
network analyzers in 7.0/3.04 mm and 3.5/1.52 coaxial
paths. The kits include mismatched loads and attenuators.
Each load may be used as VSWR standard or as reflection
standard. Attenuators are used as transmission coefficient
standards. Selected rated values of calibration kit
elements provide testing of wide variety of analyzers. Each
accessory of the kit is described in table – transmission
coefficient or reflection coefficient vs. frequency.
Description files are stored on CD or USB flash drive
supplied with the kit. Description procedure is performed
with vector network analyzer. To achieve high repeatability
of measurements for connected accessories, the kit
includes torque wrench and support wrench. Bodies and
nuts of loads and attenuators are made of stainless steel,
and central conductors are made of tempered beryllium
bronze. All central conductors are plated with wearproof gold. Low dielectric permeability and high strength
insulation is applied.