HP 412A - Meter Zero

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
.003
.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 22
r 2%
2 2%
f 2%
+, 2%
I-
5-1 2
Ohmmeter Accuracy Check
XI
XI0
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
Io