product name:
product model:
working procedure:
Calibration Operation Instruction
1、adjust ACA0
Set tap position in AC10A，adjust potentiometer VR1,let LCD display
0.000-0.001A
2，Check datum mark:
Set tap position in ACV，input 100mV(60Hz) by use standard ACV current
source ,let LCD display 0.999V～1.001V
Test indication:
PICTURE INSTRUCTION
OPERATION STEPS
Digital Multimeter
QM-1549
ACV
ACA0 potentiometer VR4
ACV adjust potentiometer
VR2
Measuring range Calibrating spot Normal display range(50-400HZ)
400mV 0mV 0.0-4.9mV(hand movement range）
400mV 100mV 99.2-100.8mV(hand movement range）
400mV 100mV 0.095-0.105V(automatic range）
4V 1V 0.988～1.012V
40V 10.00V 9.88～10.12V
400V 100.0V 99.4～101.6V
600V 600V 587～613V
square wave.triangular wave,amplitude limiting wave test
Measuring range Calibrating spot Normal display range(50-400HZ)
40V 35.00V 35.40～34.60V
