Meter Zero - HP 412A Operating And Service Manual

PERFORMANCE TEST CARD
Ilewlett-l%ackard Model 4
I2A/AI<
Vacuum Tube Voltmeter
Tests Perforincd by
Date
Serial No.--
DESCRlPTlON
CHECK
PARAGRAPH
Meter Zero
Mechanical
Electrical
OK
OK
5 -8
5 -9
Reading
Limits
Voltmeter Accuracy Check
.
.oo
1
. 0 0 3
.o
1
.03
.1
.3
1
3
10
30
100
300
1000
Range :
5-10
,+
1%
2
1%
,+
1%
5
1%
s
1%
f
1%
2
1%
t
1%
,c
1%
2
1%
2
1%
2 1%
r
1%
Milliammeter Accuracy Check
.oo
1
.003
.o
1
.03
.1
.3
I
3
10
30
Range :
5-1 1
2
2%
2
2%
-
'f=
2%
2
2%
f 2%
f
2 2
r
2%
2
2%
f 2%
+, 2%
I -
5-1 2
Ohmmeter Accuracy Check
XI
X I 0
XlOO
X1
K
XlOK
XlOOK
X1 M
Range
:
0.9s
to
I
.os
0.9s
to
I
.os
0.95 to
1
.OS
0.95
to
1 .OS
0.95
to
I
.OS
0.95 to 1 .OS
0.95
to
1 .OS
I o