EX505-EU-EN-V7.0-12/11
10
FREQUENCY SENSITIVITY (ELECTRICAL)
The frequency sensitivity is range dependent when the function is selected from while in the voltage
or current measuring function. Below are typical sensitivities for the “electrical” measurement modes.
Range
( DC/AC )
Sensitivity Frequency width
4V
≥1.5V rms
5Hz~10kHz
≥10V rms
5Hz~20kHz 40V, 400V
≥20V rms
5Hz~200kHz
1000V/1000V
≥420V rms
50Hz~1kHz
400mA
≥45mA rms
5Hz~5kHz
10A
≥4A rms
5Hz~1kHz
AUTORANGING/MANUAL RANGE SELECTION
When the meter is first turned on, it automatically goes into Autoranging. This automatically selects
the best range for the measurements being made and is generally the best mode for most
measurements. For measurement situations requiring that a range be manually selected, perform
the following:
1. Press the RANGE key. The “Auto” display indicator will turn off.
2. Press the RANGE key to step through the available ranges. Observe the decimal point and
units displayed until the preferred range is located.
3. To exit the Manual Ranging mode and return to Autoranging, press and hold the RANGE key
for 2 seconds.
Note: Manual ranging does not apply for the Capacitance and Frequency functions.
RELATIVE MODE
The relative measurement feature allows you to make measurements relative to a stored zero
reference value. A reference voltage, current, etc. can be stored and measurements made in
comparison to that value. The displayed value is the difference between the reference value and the
measured value.
1. Perform the measurement as described in the operating instructions.
2. Press the REL button to store (zero) the reading in the display and the "REL" indicator will
appear on the display.
3. The display will now indicate the difference between the stored value and the measured value.
4. Press the REL button to exit the relative mode.
Note: The Relative function does not operate in the Frequency function.
DISPLAY BACKLIGHT
Press the backlight
button to turn on. The light will slowly fade to off after approxamately 10 to 15
seconds.
HOLD
The hold function freezes the reading in the display. Press the HOLD key momentarily to activate or
to exit the HOLD function.
AUTO POWER OFF
The auto off feature will turn the meter off after 30 minutes. To disable the auto power off feature,
hold down the MODE button and turn the meter on.
LOW BATTERY INDICATION
The
icon will appear in the display when the battery voltage becomes low. Replace the battery
when this appears.
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