Amprobe 38XR-A Mode D'emploi page 18

AC CURRENT true rms (AC+DC) (45 Hz
to 1 kHz)
Ranges: 100 uA, 1000 µA, 10 mA, 100
mA, 400 mA, 10A (auto/manual
ranging)
Resolution: 0.1 µA
Accuracy: True rms/±(1.5 % rdg + 20
dgts) on 100 µA to 100 mA ranges
True rms/±(2.0 % rdg + 10 dgts) on
400mA range
True rms/±(2.5 % rdg + 20 dgts) on
10A range
Peak Hold accuracy: ±(3.0 % + 200
dgts)
AC coupled true RMS specified from
5 % to 100 % of range
AC+DC/±(2.0 % rdg + 20 dgts) on 100
µA to 400 mA ranges
AC+DC/±(3.0 % rdg + 20 dgts) on 10A
range
AC coupled true RMS specified from
10 % to 100 % of range
Crest Factor: ≤ 3
Input protection:
0.5A/1000V fast blow ceramic fuse
6.3×32mm on µA/mA input
10A/1000V fast blow ceramic fuse
10×38mm on 10A input
10A input: 10 A for 4 minutes maximum
followed by a 12 minute cooling period
Burden voltage: See DC Current
DC CURRENT (4 to 20mA)
Range: 0 to 100 %
Accuracy: ±0.5 % + 5 dgt
Resolution: 0.01 %
Burden voltage: 1 mV/mA
Input protection: 0.5A/1000V fast blow
ceramic fuse 6.3×32mm on µA/mA
input
RESISTANCE
Ranges: 1000 O, 10 kO, 100 kO,
1000 kO, 10 MO, 40 MO
( auto/manual ranging )
Resolution: 100 mO
Accuracy:
±(0.5 % rdg + 8 dgts) on 1000 O to
1000 kO ranges
±(1.0 % rdg +10 dgts) on 10 MO range
±(2.0 % rdg +10 dgts) on 40 MO range
Open circuit volts: -0.45 V dc typical
Overload protection: 1000 V dc or 750 V
ac rms
CAPACITANCE
Ranges: 40 nF, 400 nF, 4 µF, 40 µF
400 uF (3999 counts) ( auto/manual
ranging )
Resolution: 0.01 nF
Accuracy:
±(3.0 % rdg +10 dgts) on 40 nF, 400 uF
range
±(3.0 % rdg +5 dgts) on 400 nF to 40
uF range
Test voltange: < 1V
Test Frequency: 1.3 Hz on 40 nF to
40 µF ranges; 0.7 Hz on 400 µF range
Overload protection: 1000 V dc or 750 V
ac rms
TEMPERATURE
Ranges: -20 °C to 1300 °C, -4 °F to
2372 °F (3999 counts)
Resolution: 1 °C, 1 °F
Accuracy:
±(2.0 % rdg +4 °C) -20 °C to 10 °C
±(1.0 % rdg +3 °C)10 °C to 200 °C
±(2.0 % rdg + 2 °C) 200 °C to 1300 °C
±(2.0 % rdg + 8 °F) -4 °F to 50 °F
±(1.0 % rdg + 6 °F) 50 °F to 400 °F
±(2.0 % rdg +4 °F)400 °F to2372 °F
FREQUENCY
Ranges: 100 Hz, 1000 Hz, 10 kHz, 100
kHz, 1000 kHz, 10 MHz, (auto and
manual ranging )
Resolution: 0.1 Hz
Accuracy: ±(0.1 % rdg + 5 dgts)
Sensitivity: 3 Hz to 1 MHz: >1.5 V rms;
1 MHz to 10 MHz: >2 V rms, <5 V rms
Minimum input range: 100 Hz range >3
Hz 1000 Hz range >30 Hz
Minimum pluse width: > 25 ns Duty
cycle limits: > 30 % and < 70 %
Overload protection: 1000 V dc or 750 V
ac rms
DUTY CYCLE
Ranges: 0 to 90 %
Resolution: 0.01 %
Pulse widh: >10 µs
Frequency range:
0% to 10% (40 Hz to 20 kHz)
10% to 90% (40 Hz to 990 Hz)
Accuracy: (5 V logic ) ±(2.0 % rdg + 20
dgts)
Overload protection: 1000 V dc or 750 V
ac rms
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