Frequency counter sensitivity, Burden voltage (a, ma, µa) – Fluke 189 User Manual
Page 95
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.
.
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