GENERAL RADIO COMPANY 1650-B Instruction Manual page 39

I
TABLE 6-1
ACCURACY AND OPERATIONAL CHECKS
EXTERNAL
STANDARD
GR Cat. No. Value
1 440-960 1 1 0
1 440-9601 1
a
1440-9111 1 0 0
1440-9621 100R
1 440-9631 I k R
1440-9641 10 k
fl
1440-9651 1 0 0 k n
1 440-9631 I k R
1440-9661 1 M R
1
in parallel with
1409-9706
.OOI ,UF]
1 440-966 1
in parallel with
1409-9706
1409-9706
.001 /1F
1409-9706 .001 /1.F
1409-971 2 .01 P F
1409-9720 .I PF
1409-9720
in series with
1440-9621 100R
1 409-9720
in parallel with
1440-9621 100R
CGRL
SE L
Function
Switch
INT 1 kHz
INT 1 kHz
INT 1 kHz
INT 1 kHz
l N T 6 V
l N T 6 V
*EXT 200 V
INT 1 kHz
INT 1 kHz
INT 1 kHz
**EXT 1 kHz
**EXT 1 kHz
**EXT 1 kHz
**EXT 1 kHz
**EXT 4 kHz
**EXT 4 kHz
INT 1 kHz
INT 1 kHz
CGRL
MULT
Read
R
=
1 0 , f l div
R
=
l , f 1 / 2 d i v
R
=
1,f1/2 div
R = l , f 1 / 2 d i v
R = I , f 1 / 2 d i v
R
=
1,*1/2div
R - l , f 1 / 2 d i v
G
=
1,f1/2div
C
=
10.3, f 1 / 2 div
D
=
note reading
(about 0.1 59)
C
=
1.03, k 1 12 div
D
=
must be within
113 div of
reading above
C
=
10,
f
I div
C = 1,*1/2div
C = 1,*1/2div
C = l , f 1 / 2 d i v
C
=
I, f 1 div
D
=
0.251, f 3 4 div
C = l,*l div
D
=
3.98, f3/4 div
Bridge Components in Circuit
I
* From external power supply.
* *
From external signal source.
SERVICE AND MAINTENANCE 6-2