Extech Instruments EX350, User Manual, Page: 24 / 25

EX35x ‐ en ‐ GB_V1.2 12/15
24
Capacitance Range Resolution Accuracy
6.000nF 1pF
In REL mode:
± (4%+10 digits)
60.00n F to 600.0 μ F 10pF to 0.1 μ F ± (4%+5 digits)
6.000mF to 60.00mF 1 μ F to 10 μ F ± 10%
Overload protection: 600V ‐ PTC
To optimize accuracy, if the measured capacitance is ≤ 1 μ F use the REL measurement mode
Frequency 9.999Hz to 9.999MHz 0.001Hz to 0.001MHz ± (0.1%+5)
Duty Cycle 0.1%
～
99.9% 0.1% Unspecified
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): 4000/6000 μ A, 400/600mA, 10A range: a ≥ the range ×6%,
400/600 μ A, 40/60mA, 4/6A range: a ≥ the range ×60%
Function Resolution Remarks
Continuity 0.1 Ω
Continuity threshold is 10 Ω ~ 100 Ω . For
measurements < 10 Ω the buzzer will sound. For
measurements >400 Ω (>600 Ω EX355) the OL
symbol will display.
Diode 1mV
Open ‐ circuit voltage is approx.: 3.2V.
Typical voltage of a silicon PN junction is in the
range of: 0.5 to 0.8V
Temperature EX355 Range Resolution ‘Accuracy
°
C
‐ 40 to 0
°
C
1
°
C
±3
°
C
>0 to 100
°
C ± (1.0%+3)
>100 to 1000
°
C ± (2.0%+3)
°F
‐ 40 to 32°F
1°F
±5°F
>32 to 212°F ±
（
1.5%+5)
>212 to 1832°F ±
（
2.5%+5)
Type ‐ K thermocouple probe required.
The maximum temperature range for the supplied probe is 230
o
C/446
o
F.