8
3. a. R
4
4
4
4
4
10 Push-button:
(8455 V3)
Changes resistance range from 0-2M
V
to 0-200k
V
while depressed.
b. Press For Ohms
Push-button:
(8455A)
Ohms function when depressed; points function
when released.
4.
Test Lead
Connections:
Screw terminals to which the test leads are con-
nected.
5.
Battery Adjustment:
Control to enable correction for battery condition
when calibrating resistance measuring ranges (zero
k
V
adjustment).
NOTE:
The Model 8455A ohms range is internally calibrated and is not affected
by the battery adjustment control.
6.
Indicating Meter:
Displays measured values of resistance (M
V
-K
V
),
(8455 V3) or (k
V
-
V
) 8455A, POINTS (ballistic tests)
or DC voltage (100 POINTS = 100V).
7.
Mechanical Zero
Adjuster:
This screwdriver adjustment corrects minor me-
chanical disturbances to the indicator’s zero posi-
tion (when electrically de-energized).
8.
Case Assembly
Screws (4):
Screws to be removed to access battery.
9.
SAFETY PRECAUTIONS
The following safety symbols may be found in this manual and/or on the Instru-
ment. They call attention to procedures, practices or conditions which, if not cor-
rectly performed, adhered to, or observed, could result in:
Damage to the Instrument and/or equipment under test.
Injury to Persons
This Instrument is designed to prevent accidental shock to the operator when
properly used. However, no engineering design can guarantee how safe an
instrument is if used carelessly. Therefore, this manual must be read carefully and
completely before making any measurements. Failure to follow directions can
result in a serious or fatal accident.
NOTE:
The following precautions are suggestions and reminders of commonly
recognized safe practices to adopt and specific hazards to be avoided and
are not implied to be sufficient to safeguard untrained personnel in all cir-
cumstances.
!
!
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