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CALIBRATION PROCEDURE
lntroductlon
Test Equi p e n t Requirements
This section consists of a Performance Check which
Below is a list of equipment required t o verify operation
verifies the electrical specifications listed i n Section
1,
and
as specified Other equipment may be substituted when
an Adjustment procedure which provides a sequential
suitable.
adjustment of internal controls. This procedure should be
used
to restore the instrument performance to the etec-
trical specifications listed
E n Section
1
of
the manual.
Table 4-1
LIST OF TEST EQUIPMENT REQUIREMENTS
Description
TM
500
Pawer
Module
Periormance
Requirements
Dc voltage accuracy check
fluke Model 341A Voltage
source
within
f
0.01%
De common mode rejection check
Cali brator
2 Ydc range adj ustrnent
200 mVdc range adjustment
Applications
All steps
Ac voltage
source
Example
TEKTFIONIX TM 501, TM 503,
TM 504, TM 506
OV t o 500 Vrms,
25 Hz t o
20 kHz,
within 50.05%
Ac voltage accuracy check
Dc common mode rejection check
Dc normal mode rejection check
Ac
common mode rejection check
2 Vac range adjustment
200 mVac range adjustment
10
kHz ac adjustment
-
-
-
Resistance
standard
Dc
current source
Ac current source
1
kS2 resistor
Fluke Model 5200A Ac
Voltage Cali brator and
Fluke Model 521 5A
Power Amplifier
Ohms accuracy check
HI
f l
adjustment
LO
i2
adjustment
p
p
p
p
Dc current accuracy check
o
-
Ac current accuracy check
Dc common mode rejection check
Ac common mode rejection check
-
-
-
+15.75 V supply adjustment
Clock frequency adjustment
0 R
to 2 Mn,
within
f
0.05%
0
A to
2
A,
within
f
0.0Ph
0 A t o 2
A,
45 Hz to 10 kHz,
within
f
0.15%
3% tolerance,
1 J8 watt
Electro Scientific Industries
Model
DB62
Decade Resis-
tance Box
Valhalla Scientific Inc.
Model 2500 AGDC Cur-
rent Cali brator
Same
as
for dc current
Tektronix Part No.
321-01 93-00
f EKTRONIX DM 501 A, DM
502,
DM 502A
TEKTRONIX DC
504,
Digital
Counter
Voltmeter
Counter
0
to
+20 V,
1
m W
resolution
20.48 kHz, within
&0.25%
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