Specifications - Extech Instruments MG320 User Manual

9. Specifications
Function Range
DC Voltage 600V
AC Voltage 600V
Specified from 5% of range to 100% of range
Input impedance: 10M
Min. Measured Voltage: 0.1V
Frequency 50~400Hz
Input protection: 600V DC and AC rms
Low Resistance 20.00k
& Continuity
Open-circuit voltage is 5.0V approx.
Short-circuit current > 200mA
500mA/600V fuse protected input terminals
Insulation Resistance Measurements
50V test voltage 0.01M~19.99M
20.0M~50.0M
100V test voltage 0.01M~19.99M
20.0M~100.0M
250V test voltage 0.01M~19.99M
20.0M~200.0M
500V test voltage 0.01M~19.99M
20.0M~199.9M
200M~500M
1000V test 0.01M~19.99M
voltage
20.0M~199.9M
200M~2000M
2.0G~20.0G
Short-circuit current < 2mA
Insulation Resistance Alerts
50V: 0.01M~50.0M (alert buzzer sounds when resistance is <1M)
100V: 0.01M~100.0M (alert buzzer sounds when resistance is <1M)
250V: 0.01M~200.0M (alert buzzer sounds when resistance is <4M)
500V: 0.01M~500M (alert buzzer sounds when resistance is <4M)
1000V: 0.01M~10.0G (alert buzzer sounds when resistance is <4M)
Resolution
0.1V
0.1V
0.01
0.01M
0.1M
1M
0.01G
0.01M
0.1M
0.01M
0.1M
1Mv
0.01M
1M
1M
0.1G
14
Accuracy
(2.0% reading + 3 digits)
(2.0% reading + 3 digits)
(1.5% reading + 3 digits)
0.01M~50.0M: (3% + 5 digits)
0.01M~100.0M: (3% + 5 digits)
0.01M~200.0M: (1.5% + 5 digits)
0.01M~500M: (1.5% + 5 digits)
0.01M~200.0M: (1.5% + 5 digits)
200M~2000M: (1.5% + 5 digits)
2.0G~10.0G: (10% + 3 digits)
10.0G~20.0G: (20% + 10 digits)
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