product name:
product model:
working procedure:
PICTURE INSTRUCTION OPERATION STEPS
Debugging indication:
Check datum mark:input DC100mV,check and tune
potentiometer VR1
Debugging step:set tap position in DCV，input 100.0mV
by use standard DCV current source,check and tune
potentiometer VR1,make display range of LCD is
99.9mV～100.1mV
Test indication:
Digital Multimeter
QM-1549
DCV
Calibration Operation Instruction
adjust DCV potentiometer
VR1
Measuring range Calibrating spot Normal display
range
400mV 0mV 0.0～0.1mV
400mV 100.0mV 99.5～100.5mV
4V 1.000V 0.990～1.010V
40V 10.00V 9.90～10.10V
400V 100.0V 99.0～101V
1000V 600V 593～607V
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