56
g) Frequency/Duty ratio
Range
Accuracy
Resolution
9.999 Hz to 9.999 MHz
±(0.7 % r4 digits)
0.001 Hz 0.001 MHz
0.1 % to 99.9 %
For reference only.
0.01 %
Input range: (DC level=0)
≤100 kHz: 200 mVrms ≤ Input amplitude ≤30 Vrms
>100 kHz to 1 MHz: 600mVrms ≤ Input amplitude≤30 Vrms
> 1 MHz: 1 Vrms ≤ Input amplitude ≤30 Vrms
Duty ratio %: Only for frequency ≤10 kHz, amplitude >1 Vrms
Duty ratio applies only to ≤10kHz measurements
Frequency ≤1 kHz duty ratio: 10.0 % to 95.0 %
Frequency >1 kHz duty ratio: 30.0 % to 70.0 %
h) Diode/continuity test
Position
Resolution
Indication
0.1 Ω
Acoustic continuity test: ≥150 Ω
resistance: no beep sound
Acoustic continuity test: ≤10 Ω resistance:
continous beep sound
0.001 V
Diode test voltage: 3.2 V
p-n junction voltage 0.5 to 0.8 V
Overload protection: 600 V / DC ; Overload protection: 600 V / AC
i) Temperature
Measurement range
Accuracy
Resolution
-40 to +1000 ºC
-40 to +0 ºC
±5
1 ºC
>+0 to +600 ºC
±(1.5 % r5 digits)
>+600 to +1000 ºC
±(2 % r5 digits)
-40 to +1832 ºF
-40 to +32 ºF
±8
2 ºF
>+32 to +990 ºF
±(2 % r8 digits)
>+990 to +1832 ºF
±(2.5 % r8 digits)
Overload protection: 600 V / DC ; Overload protection: 600 V / AC
K-type thermo sensor 230˚C/446˚F
j) Non-contact voltage test
Target voltage: 230 V/AC