AEMC instruments 1200.81, Руководство пользователя

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Current Probe Models MR525/526
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3.4 Variations in the Range of Use
Quantity of influence Range of influence
Error in % of reading
Typical Maximum
Temperature
14 to 131°F
(
‑
10 to + 55°C)
0.3%
Relative humidity 10 to 85% RH 0.5%
Frequency
10 to 400Hz
400Hz to 7kHz
7 to 30kHz
1%
3.5%
see curves
Position of the conductor
0.79” (20mm) in diameter
0.5%
Adjacent conductor
carrying a 50Hz AC current
Conductor 0.91” (23mm)
from the clamp
10mA/A
External 400A/m field
at 50Hz
Cable centered 1.3A
Common mode rejection
600V between the jacket
and the secondary
65dB A/V
at 50Hz
Remanence
100A
DC
: 2.8A
200A
DC
: 3.5A
400A
DC
: 5A
800A
DC
: 5.3A
1200A
DC
: 5.7A
1400A
DC
: 5.8A
3.5 Power Supply
The instrument is powered by a 9V battery (type 6LR61, 6LF22, or NEDA 1604).
The average battery life is 50 hours with an alkaline battery.
The instrument can also be powered by an external supply (5V
DC
, 100mA) via the
type B micro
‑
USB connector.