Elma BM22 Bedienungsanleitung Seite 42

Hz Frequency (BM25
RANGE
10.00Hz -- 30.00kHz
2)
10.00Hz -- 999.9Hz
Sensitivity (Sine-rms):
1)
Hz in Auto-VΩ position: > 3V
2)
Line-level Hz in V position (BM27 only):
@ 6.000VAC range: > 3V
@ 60.00VAC range: > 6V
@ 600.0VAC range: > 60V
Hz Frequency (BM22)
1)
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
100kHz -- 500kHz : > 2.2Vp
500kHz -- 1MHz : > 4.2Vp
Diode Tester (BM22 & BM27 only)
Test Current (Typical)
0.25mA for BM22
0.48mA for BM27
DC μA Current (BM27 only)
RANGE
400.0μA
2000μA
AC μA Current (BM27 only)
RANGE
50Hz -- 60Hz
400.0μA
2000μA
Audible Continuity Tester
Open Circuit Voltage: 0.4VDC typical
Audible Threshold:
BM25 & BM27: between 50Ω and 300Ω
BM22: between 10Ω and 120Ω
Elma 22 - 25 - 27
1) 1) 2)
& BM27 )
1) 2)
: > 1.3Vp
Accuracy
1.5%+3d
1.2%+3d
Accuracy
Accuracy
0.5%+4d
2.0%+3d
1.5%+3d
Specified at
< 20V Sine-rms
< 600V Sine-rms
Accuracy
0.5%+4d
Open Circuit Voltage
< 1.6VDC
Burden Voltage
6mV/μA
6mV/μA
Burden Voltage
6mV/μA
6mV/μA
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