HP 3438A - Hp- 981 5 A Sa~Nple Application; Hp- 9825 Sample Application; Option Decal; Amps Input Fuse Replacement

Model 3438A
Section 111
3-41. The Talk Address is user selectable by the
internal Address switches
As1 through AS5. The
Multimeteris shipped with address select code 23 as
shown in Figure 3-12. This switch is binary coded,
i.e., AS5 has weighting of 25 = 16, AS4 has
weighting of 2
= 8, etc.
ADDRESSABLE
OPERATE
0
0
0
0
0
ADDRESS
SWITCHES
FRONT
101111 =2310
TALK ONLY AS7
TEST AS6
1 (16) AS5 (MSD)
AS4
I (2) AS 2
I (I) AS1 (LSD)
Figure 3-12. Address Select Code.
3-42. Sample Applications using three different -hp-
calculators (9815A, 9825A, and 9830A) will be shown in
the following examples. In each of these examples, the
Multimeter is set to the Addressable to
Talk Mode.
3-43. -hp- 9815A Sample Appllcatlon.
(See Flgure 3-1
3. 9815AlHPIB
Appllcatlon.)
3-44.
-hp- 9825 Sample Application.
(See Figure 3-14.
9825lHP-IB
Application.)
3-45.
-hp- 9830 Sample Application.
(See Figure 3-15.
9830AlHP-IB
Application.)
3-46. Option Decal.
3-47. the option decal is affixed to the rear of the
Multimeter. An example is shown in Figure 3-16.
186-1 06-Vl
1104 127-V MADE IN U S A
11 90 233-vl
1208 250-V HP 3438A MULTIMETE
I 1
Figure 3-16. Option Decal.
3-48. Amps Input Fuse Replacement.
3-49. The amps input is protected by a 2A 250 V normal
blow fuse,
-hp- Part Number 2110-0002. This fuse is
easily replaced using the following procedure:
a. Insert a coin or wide bladed screwdriver into the
slots of the A input terminal.
b. Press the color ring in and rotate it counterclock-
wise 1/3 turn.
c. Remove and replace the blown fuse.
3-50. Multimeter Cleaning.
Do no1 allorij cleaning solven~s.~/lux remover,
or alcohol lo come in conlac1 wilh /he
Multimeter.
3-51. The Multimeter case and front panel should only
be cleaned with a mild solution of soap and water and a
soft cloth.