Simpson 260 Series - Direct Current Measurement Basics; DC Current Measurement: 0-50μA Range

Operation
414 DIRECT CURRENT MEASUREMENT
e DO NOT CHANGE THE RANGE SETTING OF THE
RANGE OR FUNCTION SWITCHES WHILE THE CIR-
CUIT UNDER MEASUREMENT IS ENERGIZED.
e NEVER DISCONNECT THE TEST LEADS FROM THE
CIRCUIT UNDER MEASUREMENT WHILE THE CIR-
CUIT IS ENERGIZED.
e ALWAYS TURN THE POWER OFF AND DISCHARGE
ALL THE CAPACITORS BEFORE THE SETTING OF
THE SWITCHES IS CHANGED, OR THE LEADS DIS-
CONNECTED.
e NEVER EXCEED THE CIRCUIT-TO-GROUND VOLT-
AGE OF THE INSTRUMENT (1000 V MAX., TABLE
1-1, ITEM 16).
• ALWAYS CONNECT THE INSTRUMENT IN SERIES
WITH THE GROUND SIDE OF THE CIRCUIT.
* IN ALL DIRECT CURRENT MEASUREMENTS, MAKE
CERTAIN THE POWER TO THE CIRCUIT BEING
TESTED HAS BEEN TURNED OFF BEFORE CON-
NECTING AND DISCONNECTING TEST LEADS OR
RESTORING CIRCUIT CONTINUITY.
415 DIRECT CURRENT MEASUREMENT
0-50,A RANGE
a. Set the function switch at + DC.
b. Plug the black test lead into the — COMMON jack and the red
test lead into the +50u.AMPS/250mvV jack.
с. Set the range switch at 50, AMPS (dual position with 50V).
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