Fluke 187 사용자 설명서
Specifications
Frequency Counter Sensitivity
7
7-11
Frequency Counter Sensitivity
Approximate VAC Sensitivity
(RMS Sine Wave)
1
Input Range
15 Hz to
100 kHz
2
500 kHz
2
VAC Bandwidth
3
Approximate VDC
Trigger Levels
1
VDC
Bandwidth
3
50 mV
5 mV
10 mV
1 MHz
-5 mV & 5 mV
1 MHz
500 mV
20 mV
20 mV
1 MHz
5 mV & 65 mV
1 MHz
3000 mV
500 mV
2000 mV
800 kHz
140 mV & 200 mV
90 kHz
5 V
0.5 V
2.0 V
950 kHz
1.4 V & 2.0 V
14 kHz
50 V
5 V
5.0 V
1 MHz
0.5 V & 6.5 V
> 400 kHz
500 V
20 V
20 V
1 MHz
5 V & 65 V
> 400 kHz
1000 V
100 V
100 V
> 400 kHz
5 V & 65 V
> 400 kHz
.
1. Maximum input = 10 x Range (1000 V max). Noise at low frequencies and amplitudes may affect accuracy.
2. Useable at reduced sensitivity to 0.5 Hz and 1000 kHz.
2. Useable at reduced sensitivity to 0.5 Hz and 1000 kHz.
.
3. Typical frequency bandwidth with full scale (or maximum 2 X 10
7
V-Hz product) RMS sine wave.
Burden Voltage (A, mA, µA)
Function
Range
Burden Voltage (typical)
mA -
µ
A
500.00
µ
A
102
µ
V /
µ
A
5,000
µ
A
102
µ
V /
µ
A
50.000 mA
1.8 mV / mA
400.00 mA
1.8 mV / mA
A
5.0000 A
0.04 V / A
10.000 A
0.04 V / A