TB 9-4920-469-24
(14)Adjust TI P3 to achieve TI display of 1.000MΩ.
(15)Release pushbutton.
(16)Repeat steps (9) through (14) above until no further improvement can be achieved.
(17) Set TI RESISTANCE RANGE to 20Ω, and mΩ/20Ω switch to mΩ.
(18)Set resistance standard NO.1 to 1 Ω.
(19)Depress and hold TI black PTM pushbutton.
(20)Adjust TI P7 to achieve TI display of 1.000Ω.
(21)Release pushbutton.
(22)Repeat paragraph 10.
11. Resistance (Models TT1200 and TT1200A)
a. Performance Check
(1) Connect TI test leads to resistance standard NO. 1.
(2) Set TI FUNCTION switch to RES MEAS and ON/OFF switch to ON.
(3) Set the TI RANGE switch to the first position listed in the Range column of
(4) Set resistance standard NO. 1 dials to the first value listed in the Applied
column of table 7.
(5) Press the TI PTM pushbutton and release after obtaining a reading.
(6) If the TI display does not indicate within the corresponding values listed in the
Limits column of table 7, perform b below.
(7) Repeat steps (3) through (6) above for remaining values listed in table 7.
Table 7. Resistance (Models TT1200 and TT1200A).
Limits(Ω)
Resistance standard
TI Range(Ω)
Applied (Ω)
Min
Max
20
5
4.995
5.005
15
14.990
15.010
200
50
49.95
50.05
150
149.90
150.10
2k
500
0.4995 k
0.5005
k
1500
1.4990 k
1.5010
k
20 k
5
k
4.995
k
5.005
k
15
k
14.990
k
15.010
k
200 k1
50
k
47.3
k
52.7
k
150
k
142.3
k
157.7
k
2M
0.5 M
0.473
M
0.527
M
1.5 M2
1.423
M
1.577
M
20 M
5
M
4.73
M
5.27
M
15
M
14.23
M
15.77
M
200 M
50
M
47.3
M
52.7
M
100
M
94.8
M
105.2
M
Set TI FUNCTION switch to INS MEAS.
1
Disconnect TI leads from resistance standard NO.1 and connect to resistance standard NO.2.
2
(8) Set all POWER switches to OFF. Disconnect and secure all equipment.