EN-16
Specifi cations
AC
measurement
method
• 3280-10F: Average value measurement
RMS method
• 3280-20F: True RMS measurement
method
Display update
rate
400 ms±25 ms
Noise rejection
characteristics
NMRR DCV
−
40 dB or more
(50 Hz/60 Hz)
CMRR DCV
−
100 dB or more
(50 Hz/60 Hz,
1
k
Ω
unbalance)
ACV
−
60 dB or more
(50 Hz/60 Hz,
1
k
Ω
unbalance)
But,
−
45 dB or more
for 600 V range.
Crest factor
(3280-20F only)
For 2500 counts or less, 2.5
Reduces linearly to 1.5 or less at 4200
counts
Zero-display
range
5 counts (AC Current, jaw - fl exible loop)
Effects of
conductor
position
3280-10F, 3280-20F: within ±5.0%
CT6280: within ±5.0%
(At all positions around the sensor’s
centerpoint reference)
Maximum
measurable
conductor
diameter
3280-10F, 3280-20F:
33 mm or less
CT6280:
130 mm or less
Summary of Contents for 3280-1 OF
Page 2: ...Measure 1 1 OK NO OK 1 CT6280 2 2 3 OK NO NO 3 4 3280H981 00...
Page 3: ...Measure 2 OK NO NO NO NO...
Page 4: ...Measure 3 1 1 2 2 NO OK 3 3 NO OK Black Red Red Black...
Page 5: ...Measure 4 1 1 2 2 3 3 4 4...
Page 6: ......
Page 8: ...EN ii Contents...
Page 29: ...13 09...
