Extech Instruments 7630 Operation Manual page 30

Measuring Device Module
IEC60990 Fig4 U2, IEC 60950 - 1, IEC60335 - 1, IEC60598 - 1, IEC60065, IEC61010
MD1
IEC60990 Fig4 U1
IEC60990 Fig5 U3, IEC60598 - 1
MD2
IEC60990 Fig5 U1
MD3 IEC 60601 - 1
MD4 UL544NP, UL484 , UL923, UL471, UL867, UL697
MD5 UL544P
MD6 UL1563
MD7 IEC60950, IEC61010 - 1 FigA.2 (2K ohm) for RUN Test MD Circuit (Opt.752)
External MD
& Frequency Basic measuring element 1kΩ
check
MD
Accuracy : Capacitor : ± 5%; Resistance : ± 1%
Components
MD Voltage
Maximum 70 Vpeak or 70 VDC
Limit
Leakage
Range : 0 - 999.9uA; Resolution : 0.1uA
Current Offset
DUT POWER
AC Voltage 0.0 - 277.0V
AC Current 40Arms max continuous
Over Current
50Arms, Response Time < 2 sec / 250Apeak Response Time < 10 usec
Protection
AC Voltage
Range
High / Low
Resolution
Limit
AC Voltage Range
24
Range 5 0mV - 504mV
Resoluti
1mV
on
Range 6 0mV - 900mV
Resoluti
1mV
on
Accuracy (AC + DC)
DC : (± 2% of reading + 2mV) + (2% of reading + 0.2% of range)
15Hz < f < 100kHz : (± 10% of reading + 2mV) + (2% of reading + 0.2%
Range 1
of range)
*1
- 5
100kHz < f < 1MHz : (± 10% of reading + 2mV) + (2% of reading + 0.5%
of range)
DC : (± 2% of reading + 3 counts) + (2% of reading + 0.2% of range)
Range
15Hz < f <100kHz : (± 10% of reading + 2counts) + (2% of reading +
*1
6
0.2% of range)
*2
Accuracy (AC)
15Hz < f <100kHz : (± 10% of reading + 2mv) + (2% of reading + 0.2%
of range)
Range 1
*1
- 5 100kHz < f < 1MHz : (± 10% of reading + 2mV) + (2% of reading + 0.5%
of range)
Range 15Hz < f < 100kHz : (± 10% of reading + 2 counts) + (2% of reading +
*1
6 0.2% of range)
0.0 - 277.0V
0.1V / step
0.0 - 277.0 V
0mV - 504mV
1mV
0mV - 1800mV
1mV
0mV - 504mV
1mV
0mV - 2700mV
1mV