Extech Instruments 7630, Operation Manual, Page: 28 / 120

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Resolution 1mV 0.1mV 0.1mV
Range 4 0mV - 126mV 0mV - 126mV 0mV - 126mV
Resolution 1mV 1mV 1mV
Range 5 0mV - 504mV 0mV - 504mV 0mV - 504mV
Resolution 1mV 1mV 1mV
Range 6 0mV - 600mV 0mV - 1200mV 0mV - 1800mV
Resolution 1mV 1mV 1mV
Accuracy (AC + DC)
Range 1 - 5
*1
DC, 15Hz < f < 100kHz : (± 2% of r 3 counts) + (2% of
r 0.2% of range)
100kHz < f < 1MHz : (± 5% of reading (> 10.0mV)) + (2% of
r 0.5% of range)
Range 6
*1
DC, 15Hz < f < 100kHz : (±5% of reading (> 10mV)) + (2% of
r 0.2% of range)
Accuracy (AC)
*2
Range 1 - 5
*1
15Hz < f <30Hz : (± 3% of r 5 counts) + (2% of r
0.2% of range)
30Hz < f < 100kHz : (± 2% of r 3 counts) + (2% of r
0.2% of range)
100kHz < f < 1MHz : (± 5% of reading (> 10.0mV)) + (2% of
r 0.5% of range)
Range 6
*1
15Hz < f <100kHz : (± 5% of reading (> 10mV)) + (2% of r
0.2% of range)
Accuracy (DC)
*3
Range 1 - 5
*1
DC : (± 2% of r 3 counts (> 10.0mV)) + (2% of r
0.2% of range)
Range 6
*1
DC : (± 5% of reading (> 10mV)) + (2% of r 0.2% of range)
Touch Voltage
Display (Peak) Auto
Range
Ranges
MD Major Resistance
is 0.5K
Ω
MD Major Resistance
is 1K
Ω
MD Major
Resistance is 1.5K
Ω
Range 1 0.0mV - 32.0mV 0.0mV - 32.0mV 0.0mV - 32.0mV
Resolution 0.1mV 0.1mV 0.1mV
Range 2 28.0mV - 130.0mV 28.0mV - 130.0mV 28.0mV - 130.0mV
Resolution 0.1mV 0.1mV 0.1mV
Range 3 120.0mV - 525.0mV 120.0mV - 525.0mV
120.0mV -
525.0mV
Resolution 0.1mV 0.1mV 0.1mV
Range 4
400.0mV - 999.9mV,
1000mV - 2100mV 400.0mV - 999.9mV,
1000mV - 2100mV
400.0mV -
999.9mV, 1000mV
- 2100mV
Resolution 0.1mV / 1mV 0.1mV / 1mV 0.1mV / 1mV
Range 5 1800mV - 8400mV 1800mV - 8400mV 1800mV - 8400mV
Resolution 0.1mV / 1mV 0.1mV / 1mV 0.1mV / 1mV
Range 6
8000mV - 8399mV,
8.40V - 15.00V 8000mV - 8399mV,
8.40V - 30.00V 8000mV - 8399mV,
8.40V - 45.00V
Resolution 1mV / 0.01V 1mV / 0.01V 1mV / 0.01V
Accuracy (AC + DC)
Range 1 - 5
*1
DC : ± 2% of r 3 counts
15Hz < f < 1MHz : ± 10% of r 2mV
Range 6
*1
DC : ± 2% of r 3 counts