TB 9-6625-2107-24
b. Adjustments. No further adjustments can be made.
Figure 2. Models 400F and 400FL - top view.
Table 5. Range Accuracy
Test instrument
Calibrator
Adjustments
RANGE
Error display
(VOLTS)
Meter
indications
Initial output
( %)
(R)
switch settings
indications
Voltage
30
mV
3
30
mV
20
Hz
4.0
A2R59 (R)
30
mV
3
30
mV
80
Hz
2.0
---
1
30
mV
---
30
mV
1.0
kHz
N/A
---
30
mV
3
30
mV
800
kHz
1.0
---
Set calibrator to STANDBY and connect ac divider in setup2
0.1
mV
1
100
mV
400
Hz
2.0
A2R68 (R)
0.1
mV
1
100
mV
30
Hz
4.0
A2R58 (R)
0.1
mV
1
100
mV
80
Hz
2.0
---
0.1
mV
1
100
mV
1.0
kHz
2.0
---
0.3
mV
3
.3
V
1.0
kHz
1.0
---
1
mV
1
1.0
V
1.0
kHz
1.0
---
3
mV
3
3.0
V
1.0
kHz
1.0
---
10
mV
1
10
V
1.0
kHz
1.0
---
100
mV
1
100
V
1.0
kHz
1.0
---
300
mV
3
300
V
1.0
kHz
1.0
---
10
