Extech Instruments EX350 User Manual page 24

Capacitance
Overload protection: 600V‐PTC
To optimize accuracy, if the measured capacitance is ≤ 1μF use the REL measurement mode
Frequency
Duty Cycle
Overload protection: 600V‐PTC
Input amplitude (a): (DC level is zero)
≤100kHz: 100mVrms≤a≤20Vrms
＞100kHz～1MHz: 200mVrms≤a≤20Vrms
＞1MHz: 500mVrms≤a≤20Vrms
＞5MHz～10MHz: 900mVrms≤ a ≤20Vrms
Duty cycle%: Applies to frequency measurements only (≤100kHz)
Frequency for Voltage or Current functions:
Frequency <1kHz
AC voltage: input amplitude of mV range≥100mV, input amplitude of V range≥ the range ×6%
AC current: input amplitude (a): 4000/6000μA, 400/600mA, 10A range: a ≥ the range ×6%,
400/600μA, 40/60mA, 4/6A range: a ≥ the range ×60%
Function
Continuity
Diode
Temperature EX355
°C
°F
Type‐K thermocouple probe required.
The maximum temperature range for the supplied probe is 230
Range
6.000nF
60.00n F to 600.0μF
6.000mF to 60.00mF
9.999Hz 9.999MHz
to
～
0.1% 99.9%
Resolution
0.1Ω
1mV
Range
‐40 to 0°C
>0 to 100°C
>100 to 1000°C
‐40 to 32°F
>32 to 212°F
>212 to 1832°F
24
Resolution
1pF
10pF to 0.1μF
1μF to 10μF
0.001Hz 0.001MHz
to
0.1%
Remarks
Continuity threshold is 10Ω ~ 100Ω. For
measurements < 10Ω the buzzer will sound. For
measurements >400Ω (>600Ω EX355) the OL
symbol will display.
Open‐circuit voltage is approx.: 3.2V.
Typical voltage of a silicon PN junction is in the
range of: 0.5 to 0.8V
Resolution
1°C
1°F
o o
C/446 F.
Accuracy
In REL mode:
± (4%+10 digits)
± (4%+5 digits)
± 10%
± (0.1%+5)
Unspecified
'Accuracy
±3 °C
± (1.0%+3)
± (2.0%+3)
±5°F
±（1.5%+5)
±（2.5%+5)
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