54 U1241A/U1242A User’s and Service Guide
5 Performance Tests and Calibration
Step Test Function Cal Range Input Cal Item
U1241A U1242A
6 Turn the rotary switch to
μA position
Open Input terminals open
(remove all test leads and
shorting plugs from input
terminals)
oPEn
1000 μA 1000 μA 1000.0 μA
10000 μA 10000 μA 10000 μA
7 Press to go to
μA 1000 μA50 μA, 70 Hz 50.0 μA
function 100 μA, 70 Hz 100.0 μA
1000 μA, 70 Hz 1000.0 μA
10000 μA 1000 μA, 70 Hz 1000 μA
10000 μA, 70 Hz 10000 μA
8 Turn the rotary switch to
mA position
Open Input terminals open
(remove all test leads and
shorting plugs from input
terminals)
oPEn
100 mA 100 mA 100.00 mA
1000 mA 320 mA 320.0 mA
9 Press to go to mA 100 mA 5 mA, 70 Hz 5.00 mA
function 10 mA, 70 Hz 10.00 mA
100 mA, 70 Hz 100.00 mA
1000 mA 100 mA, 70 Hz 100.0 mA
320 mA, 70 Hz 320.0 mA