Dc ma test – Fluke 77 User Manual

Page 35

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77 Series III

Service Manual

3-10

Table 3-4. Resistance Test

Step

Input Resistance

Display Reading

1

short

0.0 to 0.3

Decades of 1:

2

100

99.2 to 100.8

(plus 0 reading)

3

1k

994 to 1006

4

10 k

9.94 to 10.06 k

5

100 k

99.4 to 100.6 k

6

1 M

.994 to 1.006 M

7

10 M

9.79 to 10.21 M

Decades of 1.9:

2

190

188.7 to 191.3

(plus 0 reading)

3

1.9 k

1889 to 1911

4

19 k

18.89 to 19.11 k

5

190 k

188.9 to 191.1 k

6

1.9 M

1.889 to 1.9111 M

7

19 M

18.61 to 19.39 M

Decades of 2.7:

2

270

268.3 to 271.7

(plus 0 reading)

3

2.7 k

2685 to 2715

4

27 k

26.85 to 27.15 k

5

270 k

268.5 to 271.5 k

6

2.7 M

2.685 to 2.715 M

7

27 M

26.45 to 27.55 M

3-11. DC mA Test

1.

Set the output of the DC Current Calibrator to zero, and connect it to
the 300mA and COM input terminals of the UUT.

2.

Set the DC Current Calibrator to the output shown in Table 3-5, and
verify that the UUT display reading is within the limits shown.

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