Chroma 19032 - DC Current Calibration

Electrical Safety Analyzer 19032 User’s Manual
7-4
Press [2] [.] [9] [0] [3] [ENTER]
Press [STOP] ; Stop ACA 40.00mA range Offset point
calibration
Change the dummy load resistor to 50kΩ 200watt (or higher) or connecting 9102 to select
ACA MODE [50kΩ].
Press [] key to display
Display ACA 40mA FULL(25mA) ; ACA 40.00mA range full point calibration.
Press [STOP] [START] ; Read out the ammeter value
; Example 24.50mA
Press [2] [4] [.] [5] [0] [ENTER]
Press [STOP] ; Stop ACA 40.00mA range calibration
7.3.2 DC Current Calibration
Connecting a 10MΩ load resistor in high potential terminal of withstanding analyzer, and
series high potential terminal of DC ammeter. However, connect low potential terminal of
withstanding analyzer to low potential terminal of DC ammeter or connecting 9102 to select
DCA MODE [10MΩ].
Press [] key to display
Display DCA 3mA Offset (0.12mA) ; DCA 2.999mA range Offset point calibration.
Press [STOP] [START] ; Read out the ammeter value
; Example 0.124mA
Press [0] [.] [1] [2] [4] [ENTER]
Press [STOP] ; Stop DCA 2.999mA Offset point calibration
Change the load resistor to 500kΩ 50watt (or higher) or connecting 9102 to select DCA
MODE [500kΩ].
Press [] key to display
Display DCA 3mA FULL (2.5mA) ; DCA 2.999mA range full point calibration.
Press [STOP] [START] ; Read out the ammeter value
; Example 2.039mA
Press [2] [.] [0] [3] [9] [ENTER]
Press [STOP] ; Stop DCA 2.999mA range calibration.
Press [] key to display
Display DCA 12mA Offset (2.5mA) ; DCA 12.00mA range Offset point calibration.
Press [STOP] [START] ; Read out the ammeter value
; Example 2.903mA
Press [2] [.] [9] [0] [3] [ENTER]
Press [STOP] ; Stop DCA 12.00mA Offset point calibration.
Change the load resistor to 100kΩ 100watt (or higher) or connect 9102 to select DCA MODE
[100kΩ].
Press [] key to display
Display DCA 12mA Full (10mA) ; DCA 12.00mA range full point calibration.
Press [STOP] [START] ; Read out the ammeter value