GW Instek GDM-8246 - Message Handling and Command Entry

DUAL DISPLAY DIGITAL MULTIMETER
USER MANUAL
8
4. FREQUENCY MEASUREMENT AT ACV RANGE
RANGE FREQUENCY INPUT LEVEL (SINE WAVE) ACCURACY
10Hz ~ 50kHz
≧120mV
500mV
50kHz ~ 150kH
z
≧200mV
5V 10Hz ~ 200kHz
50V 20Hz ~ 200kHz
≧1.2V
500V 20Hz ~ 20kHz ≧12V
0.05%+1
AC+DC measurement does not support AC+Hz function.
Maximum Input 450V peak ac continuous on 500mV range.
500V peak ac continuous on the other range.
5. DC Current
RANGE RESOLUTION ACCURACY BURDEN VOLTAGE
500μA 0.01μA
5mA 0.1μA
50mA 1μA
0.7Vmax.
500mA 10μA
0.05% +3
2A 100μA
0.8Vmax.
20A 1mA
0.2% +5
0.9Vmax.
Protection
Fuse protection for 500μA,5mA,50mA,500mA,2A and 20A
ranges, 20A range input for 15 seconds max.
When the input exceeds the full scale of the selected range, the display will appear
“—OL—“ of over-range indication.
DUAL DISPLAY DIGITAL MULTIMETER
USER MANUAL
9
6. TRUE RMS AC OR AC+DC CURRENT
Accuracy Between 2% of range and full range.
RANGE 20Hz-45Hz 45Hz-2kHz 2kHz-10kHz 10kHz-20kHz
500μA
5mA
50mA
500mA
1%+15 2%+15
2A
—————————
20A
1%+15 0.5%+15
—————————
Protection
Fuse protection 500μA,5mA,50mA,500mA,2A and 20A
ranges, 20A range input for 15 seconds max.
Crest Factor Range 3.0 at full scale.
The burden voltage is the same as the DC current.
When the input exceeds the full scale of the selected range, the display will appear
“—OL—” of over-range indication.
7. FREQUENCY MEASUREMENT AT ACA RANGE
RANGE FREQUENCY INPUT LEVEL (SINE WAVE) ACCURACY
500μA
10Hz ~ 20kHz
≧90μA
5mA 10Hz ~ 20kHz
≧0.9mA
50mA 10Hz ~ 20kHz
≧9mA
500mA 10Hz ~ 20kHz
≧90mA
2A 10Hz ~ 2kHz
≧1A
20A 10Hz ~ 2kHz
≧9A
0.05%+1
AC+DC measurement does not support AC+Hz function.