DIGITAL VOLTMETER - F6FZK - Free

Section IV
Tabt 4-6. AC Amncy Twt 310 Hz te IQII kHz (34SSA Option Bat only).
90 Day*
Test Limits
0.99430 80 1.00570
0.9sQO to 1 .QO400
0.991 90 to 1.0081 0
4.9680 to 5.0320
4.9925 to 5.0075
4.9565 to 5.0435
9.9430 to 10.0570
9.9875 to 10.01 25
9.9875 to 10.01 25
99.430to100.570
99.875rotQO.125
994.30 to F005.70
998.65to1001.35
*The$e test limits do not include the temperature coefficients that must be added if the instru-
ment is operated outside of the temperarure range wer which the 24-hour or 9 Mav specifi-
cations apply 14ee Table 1-31, Derive 6-rnonvh test limits from AC Accuracy specrfications
listed in Table 2-1.
the meter of the Test Oscillator and use control to main- fable 4-7. TwwWFw Ohm decursey 1 wt
taio this reading whenever the frequency is varied.
s. Repeat step q.
Frequency
(ACVl
30 Hz
50 Hz
250 kHz
30 Hz
, TOO~HZ
250 kHz
30 Hz
100 Hz
100 kHz
30 Hz
' TOOkHz
30 Hr
10 kHz
Frequency
l FAST ACV)
300 Hz
500 Hz
250 kHz
300 Hz
100 kHz
250kHr
300 Hz
1 kHz
100 kHz
300 Hz
100 kHz
300 Hz
10 kHz
1 Y
1 V
1 V
5 V
5V
' 5V
10V
10 V
10 V
100V
1M3V
1000 Y
TOMEV
t. Set the 3455A FUNCTION to ACV and RANGE
to 10 V. Remove the 50-ohm termination from the Test
OscilIator's output. Connect the 50-ohm output of the
Test Oscillator (unterminated) to the 3455A front panel
INPUT. Set the Test Oscil tafor frequency to 10 kHz and
adjust its level controls for the 5 volt 34554 reading
recorded in step 1. Adjust the meter reference controls
far a zero reading on the meter of the Test Oscillator
and use the level controls to maintain this reading
whenever the frequency is varied.
u. 1. Standard Model 3455A: Set the Test Oscitlator
to each of the last two Test Frequencies listed in
Table 4-5 (maintain reference level on meter of
Test Oscillator). At each frequency setting, the
345% reading should be within the Test Limits
given in the table.
34S5A
Range
1 V
1 Y
1 V
10 V
10V
10Y
10 V
10 V
10V
l00V
l00V
1000 V
100OV
24 Hour'
Test Limits
0.94460 to 1 .mwo
0.99630 to 1.00370
0.99240 to 1.00760
4.9695 to 5.0305
4.9930 to 5.0070
4.9590 to 5.04 10
9.9460 to 10.0540
9.9885 to 10.01 1 5
9.8885 to 10.01 1 5
99460to100.540
99$851o100.t15
994.60 to 1005.40
998.75to1001.25
Test LirnRs
(High Ree. On1
24 Hwr' 90 Day'
*These last Limits do not incfude the tempsnture coefficiena
that must be added if the instrument i s operated outside of the
temperature range wer dtich the 24-hour or 90-clay spacifica-
ttons apply (see Tabla 1-1 1. Derive 6-month test limits from
Ohms Accuracy specifications listed in TaMe 1-1.
x. 'Shis cornptetes the AC Voltmeter Accuracy Test.
Disconnect the Test Oscillator from the 3455A.
4-35. Ohmmmr Accuracy Twt.
4-36. This test requires a calibmred decade resistor with
settings that range from 100 ohms to 10 megohms. The
correction factors indicated on the decade resistor's
2. 3455A Option 061. Set the Test Oscillator Fre- calibration chart must be algebraically added to the
quency to 250 kHz (maintain reference lever on
3455A display readings to achieve the required test acmeter
of Test Oscillator). The 3455A display curacy'
reading should be between 4.9590 V and 5.0410 637. Tsrt Prowdun.
Y (24-hour spec.) or between 4.9565 V and
5.0435 V (Way spec.). Equipment Required:
v. Set the 3455A FUNCTION to FAST ACV. Set the Decade Resistor (calibrated General Radio
Test Oscillator frequency to 10 kHz and adjust its level Model 14332)
controls for the 5 V 3455A reading recorded in step m.
Adjust the meter reference controls for a zero reading a. Set the 3455A controls as follows:
on the meter of the Test Oscillator and use the level controls
to maintain this reading whenever the frequency is FUNCHON ........... 2 WIRE K OHM
varied. RANGE .......................... 100
HIGH RESOLUTION .............. ON
w. Repeat step u. GUARD .......................... ON