PeakTech 4090 Bedienungsanleitung Seite 28

3.9. Linear Frequency
Range AC Sensitivity (TRMS, sine wave )
5 Hz- 10 kHz
220 mV > 10 mV
2.2 V > 100 mV
22 V >
220 V > 10
600 V >100
220 µA > 10 µA*
2200 mA > 100 µA*
22 mA >
220 mA > 10 mA*
10 A >
* Frequency Response: 50 Hz – 10 kHz
3.10. Duty Ratio
Frequency range
20 Hz ~ 10 kHz
3.11. Continuity Test
Range
220 
3.12. Diode Test
Range Description
The approximate forward voltage drop of the diode will be displayed.
If the voltage drop is more than 2V, the display shows "OL"
3.13.Temperature Measurement
Temperature Range
°C -20°C -
0°C - 400°C
400°C - 1000°C
°F -4°F -
32°F - 752°F
752°F - 1832°F
Using of e K type thermocouple
Note:
1. The accuracy does not include error of the thermocouple probe.
2. Accuracies apply after 1.5 hours if ambient temperature changes
10 kHz-100 kHz
> 20 mV
> 200 mV
1 V >
V > 20
V*
Not specified
1 mA*
1 A*
Duty ratio range
5% ~ 95%
Audible Threshold
Less than 30 
0°C
32°F
2 V
V
Resolution
0,01%
Response Time
approx. 100 ms
Resolution
0,1°C
0,1°F
-27-
Accuracy
± (10%)
Test current
< 0,7 mA
Accuracy
± (6.0% + 3°C)
± (1.5% + 3°C)
± (1.8% + 3°C)
± (6.0% + 6°F)
± (1.5% + 6°F)
± (1.8% + 6°F)