Elma Instruments BM22s Bedienungsanleitung Seite 27

Capacitance (BM25a)
100.0nF, 1000nF, 10.00µF, 100.0µF
1) Accuracy below 50nF is not specified
Accuracies with film capacitor or better
2)
3) BM25a top range. Updates > 1 minute on large values
4) Specified with battery voltage above 2.8V (half full battery). Accuracy decreases gradually to
12% at low battery warning voltage of approx 2.4V
Capacitance (BM22s)
500.0nF, 5.000µF, 50.00µF, 500.0µF, 3000µF
1) Additional 50.00nF range accuracy is not specified.
2) Accuracies with film capacitor or better.
3) Updates > 1 minute on large values
Specified with battery voltage above 2.8V (half full battery). Accuracy decreases gradually to
4)
12% at low battery warning voltage of approx 2.4V
Ohms (BM25a)
60.00KΩ, 600.0KΩ
Open Circuit Voltage: 0.4VDC typical
1) AutoCheck TM is for 6.000kΩ ~ 6.000MΩ ranges;
2) Add 40d to specified accuracy while reading is below 20% of range
Ohms (BM22s)
4.000KΩ, 40.00KΩ, 400.0KΩ
Open Circuit Voltage: 0.4VDC typical
Hz Frequency (BM25a)
RANGE
10.00Hz -- 30.00kHz
Sensitivity (Sine-rms):
Hz in Auto-VΩ position: > 3V
Hz Frequency (BM22s)
RANGE
5.000Hz -- 1.000MHz
1) Specified at Input Voltage < 20VAC rms
Input Signal: Sine-wave, or Square-wave with duty cycle > 40% & < 70%
Sensitivity (V-peak):
5Hz -- 100kHz: > 1.3Vp
100kHz -- 500kHz: > 2.2Vp
500kHz -- 1MHz: > 4.2Vp
Diode Tester (BM22s)
Test Current (Typical)
0.25mA for BM22s
Elma 22s – 25a
RANGE
1)
RANGE 1)
RANGE 1)
6.000kΩ
6.000MΩ
RANGE
400.0Ω
4.000MΩ
40.00MΩ
1)
3)
3)
Accuracy
0.5%+4d
Accuracy
0.5%+4d
Open Circuit Voltage
< 1.6VDC
Accuracy
2)
3.5%+6d 4)
Accuracy 2)
3.5%+6d
4)
Accuracy
1.2%+6d 2 )
1.0%+4d
2.0%+4d
Accuracy
1.5%+6d
1.0%+4d
1.5%+4d
2.5%+4d
Specified at
< 20V Sine-rms
< 600V Sine-rms
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