8
AC Current Oscilloscope Probe Model SR661
Frequency Range (with current derating):
1Hz to 100kHz (@ -3dB)
See typical response curves (pages 10-11)
Crest Factor:
≤ 6
Load Impedance:
≥
1M
Ω
@
≤
47pF
Rise/Fall Time:
<40µS
Working Voltage:
600V CAT III
Common Mode Voltage:
600V CAT III
Influence of Adjacent Conductor:
< 0.2mA/A AC
Influence of Conductor Position in Jaw Opening:
0.02% of Reading under 400Hz
Influence of Frequency:
Range 1mV/A:
From 10 to 1000 Hz: < 1% of Reading
From 1 to 10kHz: < 2% of Reading
From 10 to 50kHz: < 10% of Reading
From 50 to 100kHz: - 3 dB
Range 10mV/A: From 10 to 1000 Hz: < 5% of Reading
From 1 to 10kHz: < 3% of Reading
From 10 to 50kHz: < 20% of Reading
From 50 to 100kHz: - 3 dB
Range 100mV/A: From 10 to 1000Hz: < 10% of Reading
From 1 to 10kHz: < 5% of Reading
From 10 to 50kHz: < 20% of Reading
From 50 to 100kHz: - 3 dB
3.2
Mechanical Specifications
Dimensions:
4.4 x 8.5 x 1.8
"
(111 x 216 x 45 mm)
Weight:
1.21 lbs (550g)
Jaw Opening:
2.25" (57mm) max
Maximum Cable Diameter:
2.13" (54mm)
Maximum Conductor Size:
Cable: 2.05
"
(52mm)
Bus Bar: 1.95 x .19
"
(50 x 5mm)
Case Protection:
IP 40 (IEC 529)
