Amprobe AM-45 Manual do utilizador - Página 7

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Amprobe AM-45 Manual do utilizador
DC Voltage (AM-42)
RANGE
400.0mV
4.000V, 40.00V, 400.0V
600V
NMRR: > 50dB @ 50Hz/60Hz
CMRR: > 120dB @ DC, 50Hz/60Hz; Rs=1kΩ
Input Impedance: 10 MΩ, 30pF nominal; (1000MΩ for
400.0mV range)
AC Voltage (AM-42)
RANGE
50Hz -- 60Hz
4.000V, 40.00V, 400.0V
60Hz -- 500Hz
4.000V, 40.00V, 400.0V
50Hz -- 500Hz
600V
Input Impedance: 10 MΩ, 30pF nominal
CMRR: > 60dB @ DC to 60Hz, Rs=1kΩ
Capacitance (AM-45 & AM-47)
RANGE
1)
100.0nF, 1000nF, 10.00µF,
100.0µF
, 2000µF
3)
4)
Accuracy below 50nF is not specified
1)
Accuracies with film capacitor or better
2)
AM-45 top range. Updates > 1 minute on large
3)
values
AM-47 only. Updates > 1 minute on large values
4)
Specified with battery voltage above 2.8V (half full
5)
battery). Accuracy decreases gradually to 12% at
low battery warning voltage of approx 2.4V
Capacitance (AM-42)
RANGE
1)
500.0nF, 5.000µF, 50.00µF,
500.0µF, 3000µF
3)
Additional 50.00nF range accuracy is not specified.
1)
Accuracies with film capacitor or better.
2)
Updates > 1 minute on large values
3)
Specified with battery voltage above 2.8V (half full
4)
battery). Accuracy decreases gradually to 12% at
low battery warning voltage of approx 2.4V
Ohms (AM-45 & AM-47)
Accuracy
1.0%+2d
2.0%+2d
2.5%+4d
Open Circuit Voltage: 0.4VDC typical
1)
2)
Accuracy
Ohms (AM-42)
2.0%+5d
3.0%+5d
3.5%+5d
Open Circuit Voltage: 0.4VDC typical
Hz Frequency (AM-45
Accuracy
2)
3.5%+6d
5)
Sensitivity (Sine-rms):
Hz Frequency (AM-42)
1)
Input Signal: Sine-wave, or Square-wave with duty
Accuracy
2)
Sensitivity (V-peak):
3.5%+6d
4)
Diode Tester (AM-42 & AM-47 only)
RANGE
1)
600.0Ω
6.000kΩ
60.00KΩ, 600.0KΩ
6.000MΩ
AutoCheck
is for 6.000kΩ ~ 6.000MΩ ranges;
TM
600.0Ω is an independent range for AM-47 only
Add 40d to specified accuracy while reading is below
20% of range
RANGE
400.0Ω
4.000KΩ, 40.00KΩ, 400.0KΩ
4.000MΩ
40.00MΩ
RANGE
10.00Hz -- 30.00kHz
1) 2)
10.00Hz -- 999.9Hz
2)
Hz in Auto-VΩ position: > 3V
1)
Line-level Hz in V position (AM-47 only):
2)
@ 6.000VAC range: > 3V
@ 60.00VAC range: > 6V
@ 600.0VAC range: > 60V
RANGE
1)
5.000Hz -- 1.000MHz
Specified at Input Voltage < 20VAC rms
cycle > 40% & < 70%
5Hz -- 100kHz
: > 1.3Vp
100kHz -- 500kHz : > 2.2Vp
500kHz -- 1MHz : > 4.2Vp
Test Current (Typical)
0.25mA for AM-42
0.48mA for AM-47
Accuracy
2.0%+6d
1.2%+6d
1.0%+4d
2.0%+4d
Accuracy
1.5%+6d
1.0%+4d
1.5%+4d
2.5%+4d
& AM-47
)
1)
1) 2)
Accuracy
Specified at
< 20V Sine-rms
0.5%+4d
< 600V Sine-rms
Accuracy
0.5%+4d
Open Circuit Voltage
< 1.6VDC
7
2)
)
2