Keysight Technologies U1174A Data Sheet
4
Electrical Specifications
Switch counter definition
Switch condition
1, 2
Circuit
switch
Display
3
Switch threshold
Low level
Normally close
Lo
< 370 ohms
Intermittent
4
Close to open
Number of switch count
Low to high transition
High level
Normally open
Hi
> 430 ohms
Intermittent
5
Open to close
Number of switch count
High to low transition
1. Detects intermittent Opens or Closes lasting for at least 250 μsec.
2. Test current of 0.5 mA with maximum open circuit voltage of 2.8 V is used.
3. Maximum count reading: 199.99 M (display “OL” when achieving 2 x 10
2. Test current of 0.5 mA with maximum open circuit voltage of 2.8 V is used.
3. Maximum count reading: 199.99 M (display “OL” when achieving 2 x 10
8
and thereafter).
4. Count only low to high transition for initial switch condition of Low.
5. Count only high to low transition for initial switch condition of High.
5. Count only high to low transition for initial switch condition of High.
Frequency specifications
Range
Resolution
Accuracy
Minimum input frequency
100.00 Hz
0.01 Hz
0.03%+3
1 Hz
1000.0 Hz
0.1 Hz
10.000 kHz
0.001 kHz
100.00 kHz
0.01 kHz
1000.0 kHz
1
0.1 kHz
1. Effective frequency measurement of up to 200 kHz; refer to frequency sensitivity table below for details.
Frequency sensitivity during voltage measurement
Input range (Maximum input for specified accuracy =
10 x Range or 1000 V)
10 x Range or 1000 V)
Minimum sensitivity (RMS sine wave)
20 Hz to 50 kHz
20 Hz to 50 kHz
50 to 200 kHz
1000.0 mV
0.3 V
0.6 V
10.000 V
0.5 V
1.8 V
100.00 V
5 V
10 V (< 100 kHz)
1000.0 V
50 V
100 V (< 100 kHz)
Frequency sensitivity during current measurement
Input range
Minimum sensitivity (RMS sine wave)
20 Hz to 20 kHz
20 Hz to 20 kHz
1000.0 µA
100 µA
10000 µA
500 µA
100.00 mA
10 mA
440.00 mA
50 mA
10.000 A
1 A