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Calibration Operation Instruction
PICTURE INSTRUCTION
adjust DCV potentiometer
VR1
product name:
product model:
working procedure:
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:
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
Digital Multimeter
QM-1549
DCV
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Summary of Contents for DigiTech QM-1549
- Page 1 Calibration Operation Instruction Digital Multimeter product name: QM-1549 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...
- Page 2 Calibration Operation Instruction Digital Multimeter product name: product model: QM-1549 working procedure: PICTURE INSTRUCTION OPERATION STEPS 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...