MIL-DTL-16034B
6.6.22 Response time. This term denotes the rapidity with which the pointer comes to rest after a change of the
measured quantity. It may be measured as the time, in seconds, for the pointer to come to apparent rest after a change
in the value of measured quantity.
6.6.23 Scale, nominal. In this specification, switchboard meters are divided, on the basis of angular-scale length,
into two groups designated as 90 degree and 250 degree nominal scale meters, respectively.
6.6.24 Scale division. A scale division is the increment between the centers of two consecutive scale marks.
Note: The number of scale marks is one more than the number of scale divisions. Example: 10 scale divisions
require 11 scale marks.
6.6.24.1 Linear scales. The total number of scale divisions is determined by dividing the total range by the
smallest increment. Example: A 150-volt scale with the smallest increment of 5 volts is listed as having 30 scale
divisions.
6.6.24.2 Nonlinear scales. The total number of scale divisions is determined by dividing the total range by the
smallest increment although, to avoid crowding scale marks, a portion of the scale may not be marked. Example: A
100-ampere scale with the smallest increment of 2 amperes, but with no marks between 0 and 10 amperes, is listed as
having a 50 scale division.
6.6.25 Scale length. The scale length is the length of the path described by the tip of the pointer in moving from
one end of the scale to the other. In the case of knife-edge pointers and others extending beyond the scale division
marks, the pointer is considered as ending at the outer end of the shortest scale-division marks. For multiple-scale
meters, the longest scale is used to determine the scale length.
6.6.26 Switchboard meter (distinguishing characteristics). A switchboard meter is magnetically shielded, 4 inches
or larger in size, and unless otherwise specified (see 3.1), is of 1 percent accuracy.
6.6.27 Temperature influence. Temperature influence is the percentage change in the indication caused solely by
a difference in ambient temperature of ±10 °C from the reference temperature.
6.6.28 Voltage circuit. The voltage circuit is that combination of conductors and windings of the meter to which
is applied the voltage of the circuit in which a given electrical quantity is to be measured, or a definite fraction of that
voltage, or a voltage or current dependent upon it.
6.6.29 Voltage influence. Voltage influence (in other than voltmeters) is the percentage change in the indication
caused solely by a change of ±10 percent from the rated voltage.
6.7 Precautions. Attention of equipment designers and manufacturers is invited to the fact that sufficient space
should be provided in equipment for mounting standard meters of the maximum depth specified (see 3.1) even though
a shallower meter may be in the initial design.
6.7.1 Red mark on dial. When specified in the contract or order (see 6.2), the manufacturer may place red marks
on meter dials at designated positions. There will be no change in the type of designation to distinguish such meters
from those having normal markings; consequently, a meter supplied for a certain application may have a red mark at an
undesired position. If this occurs, it is recommended that the user remove or cover the red mark by any convenient
method, and make other red marks if desired.
6.8 Subject term (key word) listing.
High impact
Shock-resistant
6.9 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect
to the previous issue due to the extent of the changes.
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