Calibration
48
16.6 Test I Channel Setup
To calibrate the Test I (current) Channel, connect the Cellcorder resistance
leads, shunts, and calibration source power supply as shown in the following
figure.
Figure 25. Current Channel Setup
1)
With the Cal source at 0 volts, connect the DVM to points C and D at
the shunt.
2)
Calibrate the four load ranges as follows.
16.7 Test I Channel Calibration
Shift+Serv|Password|Calibration|Test
I
Channel |
select load range
The following four sections describe current channel calibration. After you
press Start, current flows for five seconds. Press the Up/Down arrow keys
during this time.
Figure 26. Current Channel Menus
Current Limiting Power Supply If you are using a current limiting power
supply, set the supply voltage to 2.0V, 5.0V, 10.0V and 17.5V respectively
for the following 1-2V, 4-6V, 8-12V and 16V load tests. You will then
adjust the current limiting control to the current needed for each test.
CRT-300
Cellcorder
Calibration
Source
Power Supply
C D
Red Clamp
( + )
Red/Black Clamp
Black Clamp
( – )
