Calibration - Motech LPS 305 User Manual

5.

CALIBRATION

Calibration steps:
Equipment needed for calibration: DMM, such as Fluke model 45 or HP 34401A.
Step 1: Simultaneously press the "8" and the " -▼ " keys on the Keypad and the following message
will Appear on the LCD:
Step 2: Measure the DC voltage from the +output terminals (+ and COM1) with the DMM and key in
the measured value (i.e. if the DMM shows 9.487V then key in 9.487) followed by the
"ENTER" key.
The following message will then appear on the LCD:
Step 3: Repeat step 2. Key in the measured value (i.e. if the DMM shows 29.798V then key in 29.798)
followed by the " ENTER " key. The following message will then appear on the LCD.
CV
+V Lo=09.487
CC
CV
ADC GET=01036
CC
CV
+V Hi=29.798
CC
CV
ADC GET=03104
CC
CV
+I Lo=0.728
CC
CV
ADC GET=00903
CC
INDEP
TRACK
5V
3.3V
INDEP
TRACK
5V
3.3V
INDEP
TRACK
5V
3.3V
12