Fluke 287C - Page 23

True-rms Digital Multimeters
Performance Tests
19
Table 4. 287/289 Performance Test Steps (cont.)
Step Function Range Input Level
Frequency
or Model
Display Reading
[1]
Lower
Limit
Upper
Limit
29.
VAC, HZ, %
(Duty Cycle)
5.0000 V
5 V p-p, Sq.
wave @15 %
50 kHz 1.40 28.60
30. VAC 50.000 V 15 V 100 kHz 14.435 15.565
31.
VAC, Lo
Pass (289)
500.00 V 50 V 60 Hz 48.60 51.40
32.
VAC, Lo
Pass (289)
500.00 V 50 V 1600 Hz
[3]
0.00 8.00
33. VAC 500.00 V 500 V 10 kHz 497.75 502.25
34. VAC 1000.0 V 1000 V 10 kHz 993.5 1006.5
35. DC V 5.0000 V 4 V - - 3.9988 4.0012
36. DC V 50.000 V -40 V - - -40.012 -39.988
37. DC V 500.00 V 400 V - - 399.86 400.14
38. DC V 1000.0 V 600 V - - 599.6 600.4
39.
DC V, DC,
AC
5.0000 V 200 mV 0 Hz
0.1977 0.2023
40.
DC V, AC,
DC
5.0000 V 2 V 5 kHz
1.9640 2.0360
41.
ACV, Peak 5.000 V
4 V p-p, Sq.
wave, +1 V
offset
2 kHz
1.863 2.137
Put Meter’s rotary switch to Capacitance function and Range to 10 nF
Remove Test Leads from 5520A and REL offset
Reconnect Test Leads to 5520A
42
Capacitance 10.00 nF
[4]
5 nF
- -
4.90 5.10
43 Diode Test 3.1000 V 3.5 kΩ - - 2.0000 3.1000
44
Diode Test 3.1000 V 0 Ω Check that
Beeper is On
- - - -
Set 5520A for 2-Wire COMP and Connect in 4-Wire configuration
45 LoΩ (289) 50.000 Ω
[1]
0 Ω
- - Allow reading to stabilize
(5-10 seconds)
REL offset
46 LoΩ (289) 50.000 Ω 0.2 Ω
[2]
- - 0.180 0.220
47 LoΩ (289) 50.000 Ω 50 Ω
[2]
- - 49.905 50.095