SlimLine 9173B, Инструкция по эксплуатации

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Annex
9173B_002-286e-07.10 Page 33
Example: IP65 indicates a complete protection against
touching, as well as against the ingress of dust and spray
water from all directions.
Disturbance Quantity that is not the measurand but that affects the
result of the measurement. The contributions are expressed
in terms of the measurand related to the acting quantity.
Examples:

additional bending moment acts on a force sensor:
M
x,y

F
z

additional axial force acts on a torque sensor:
F
z

M
z

additional shear force acts on a force/torque sensor:
F
x,y

F
z
and F
x,y

M
z
Drift Unwanted changes in the output signal independent of the
measurand as a function of time.
Frequency range see Annex 9.4.
FSO Full Scale Output. Range of measurement signal of a sen-
sor, corresponding to the full scale of the measurand. It is
the algebraic difference of the upper and lower limit of the
measurement signal range.
Example: A pressure sensor having the measuring range
from 0 bar to 2 bar and the corresponding range of meas-
urement signal from –5 … +5 V presents the FSO: 10 V.
An electrical monitoring system having an input range from
0 … 10 V and the corresponding output range from 4 …
20 mA shows the FSO: 16 mA
Ground insulation High electrical resistance of a sensor between signal line
and ground, or of a charge amplifier between connector
screen and ground.
Hysteresis see Annex 9.3.
Insulation resistance Electric resistance of a sensor, cable or the input of a
charge amplifier measured between the signal line and the
connection ground (sensor body), while the test voltage is
stated accordingly. The insulation resistance applies for pie-
zoelectric sensor, strain gauge sensors and semi-conductor
sensors
Linearity
see Annex 9.3.
Measurand
Physical quantity, state or characteristic which is measured,
e.g. force, torque, pressure etc.
Measuring chain Interconnection of several individual components to meet
measuring requirements. Measuring chains usually consist
of sensors and amplifiers in conjunction with data acquisi-
tion, display, evaluation and recording equipment (e.g. PC,
printer).