Fluke 123B/S Service Manual - Page 80

Continuity Function Test

Get Fluke 123B/S PDF manuals and user guides View all Fluke 123B/S manuals
Add to My Manuals
Save this manual to your list of manuals

Page 80 highlights

123/124 Service Manual 2. Select the following test tool setup: • Press to select auto ranging (AUTO in top of display). • Press to open the INPUT A MEASUREMENTS menu, and choose: MEASURE on A: I OHM Ω 3. Set the 5500A to the first test point in Table 4-8. Use the 5500A "COMP 2 wire" mode for the verifications up to and including 50 kΩ. For the higher values, the 5500A will turn off the "COMP 2 wire" mode. 4. Observe the Input A main reading and check to see if it is within the range shown under the appropriate column. 5. Continue through the test points. 6. When you are finished, set the 5500A to Standby. Table 4-8. Resistance Measurement Verification Points 5500A output Reading 0Ω 400Ω 4 kΩ 40 kΩ 400 kΩ 4 MΩ 30 MΩ 000.0 to 000.5 397.1 to 402.9 3.971 to 4.029 39.71 to 40.29 397.1 to 402.9 3.971 to 4.029 29.77 to 30.23 4.5.16 Continuity Function Test Proceed as follows: 1. Connect the test tool to the 5500A as for the previous test (see Figure 4-7). 2. Select the following test tool setup: • Press to select auto ranging (AUTO in top of display). • Press to open the INPUT A MEASUREMENTS menu, and choose: MEASURE on A: I CONT ))) 3. Set the 5500A to 25Ω. Use the 5500A "COMP 2 wire" mode. 4. Listen to hear that the beeper sounds continuously. 5. Set the 5500A to 35Ω. 6. Listen to hear that the beeper does not sound. 7. When you are finished, set the 5500A to Standby. 4-22

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
123/124
Service Manual
4-22
2.
Select the following test tool setup:
•
Press
to select auto ranging (
AUTO
in top of display).
•
Press
to open the INPUT A MEASUREMENTS menu, and choose:
MEASURE on A:
■
OHM
Ω
3.
Set the 5500A to the first test point in Table 4-8.
Use the 5500A “COMP 2 wire” mode for the verifications up to and including
50 k
Ω
.
For the higher values, the 5500A will turn off the “COMP 2 wire” mode.
4.
Observe the Input A main reading and check to see if it is within the range shown
under the appropriate column.
5.
Continue through the test points.
6.
When you are finished, set the 5500A to Standby.
Table 4-8. Resistance Measurement Verification Points
5500A output
Reading
0
Ω
000.0 to 000.5
400
Ω
397.1 to 402.9
4 k
Ω
3.971 to 4.029
40 k
Ω
39.71 to 40.29
400 k
Ω
397.1 to 402.9
4 M
Ω
3.971 to 4.029
30 M
Ω
29.77 to 30.23
4.5.16 Continuity Function Test
Proceed as follows:
1.
Connect the test tool to the 5500A as for the previous test (see Figure 4-7).
2.
Select the following test tool setup:
•
Press
to select auto ranging (
AUTO
in top of display).
•
Press
to open the INPUT A MEASUREMENTS menu, and choose:
MEASURE on A:
■
CONT
)
)
)
3.
Set the 5500A to 25
Ω
.
Use the 5500A “COMP 2 wire” mode.
4.
Listen to hear that the beeper sounds continuously.
5.
Set the 5500A to 35
Ω
.
6.
Listen to hear that the beeper does not sound.
7.
When you are finished, set the 5500A to Standby.