UEi Test Instruments DM393 User Manual
Page 9
Frequency and Duty Cycle
Temperature (DM393)
Frequency Counter Sensitivity
Burden Voltage (A, mA, µA)
E l e c t romagnetic Compatibility (EMC)
The meters meet EN 61326: 19 97 A1: 19 9 8 .
Range
Resolution
Accuracy
Remark
D M 3 9 1
D M 3 9 3
5Hz
0.001Hz
50Hz
0.01Hz
500Hz
0.1Hz
Minimum frequency:
5kHz
1Hz
0.05% + 3 0.05% + 3 0.5Hz
50kHz
10Hz
500kHz
100Hz
Sensitivity
5MHz
1kHz
5Hz - 1MHz, > 250mV
10MHz
10kHz
1MHz - 10MHz, > 350mV
0.1% to
0.1%
0.5Hz to 500kHz (pulse width > 2µ sec.)
99.9%
(0.1% + 0.05% per khz + 1 count) for 5 V input
(Logic signals only)
DC Current
AC Current
Resistance
Open circuit voltage: <1.3 V DC
Continuity
Diode Test
Capacitance
DM391/393-MAN
P. 8
Range
Resolution
Accuracy
DM391
DM393
400µA
0.1µA
4000µA
1µA
40mA
10µA
1.0% + 2
1.0% + 2
400mA
100µA
4A
1mA
10A
10mA
1.5% + 5
1.5% + 5
Range
Resolution
Accuracy
40 Hz - 400 Hz
400 Hz - 10 kHz
DM391 DM393
D M 3 9 3
400µA
0.1µA
4000µA
1µA
40mA
10µA
1.0% + 5
1.0% + 5
1.5% + 5
400mA
100µA
4A
1mA
10A
10mA
1.5% + 10 1.5% + 10
2.0% + 10
Range
Resolution
Accuracy
DM391
DM393
400Ω
0.1Ω
1.0% + 5
1.0% + 5
4000Ω
1Ω
40kΩ
10Ω
400kΩ
100Ω
0.5% + 3
0.5% + 3
4MΩ
1kΩ
1.0% + 5
1.0% + 5
10MΩ
10kΩ
1.5% + 10
1.5% + 10
Audible threshold
: the beeper sounds if the measured resistance is lower
than 10Ω, and turns off when greater than about 60Ω
Response time
: <1 msec.
Range
Resolution
Test Current
Open Circuit Voltage
(Typical)
4V
2%
0.25mA
<1.5V DC
Range
Resolution
Accuracy
DM391
DM393
40nF
10pF
400nF
100pF
4µF
1nF
2.5% + 10
2.5% + 10
40µF
10nF
100µF
100nF
Range
Resolution
Accuracy
-40˚ to 14˚F
1˚F
3% ± 5˚F
(-40˚ to -10˚C)
1˚C
(3% ± 5˚C)
14˚ to 752˚F
1˚F
1% ± 3˚F
(-10˚ to -400˚C)
1˚C
(1% ± 3˚C)
752˚ to 2372˚F
1˚F
3% of reading
(400˚ to 1300˚C)
1˚C
(3% of reading)
Range
Minimum Sensitivity (RMS Sine Wave)
40Hz to 10kHz
10Hz to 20kHz
V
(4V tp 1000V)
500mV
500mV
µA
(400µA to 400mA)
> 15% F.S. of AC range
Not Specified
mA
(40mA to 400mA)
> 15% F.S. of AC range
Not Specified
A
(4.0A to 10A)
> 15% F.S. of AC range
Not Specified
Function
Range
Burden Voltage (typical)
400µA
150µV/µA
4000µA
150µV/µA
mA/µA
40mA
3.3mV/mA
400mA
3.3mV/mA
10A
4A
0.03V/A
10A
0.03V/A