Fluke 87V-MAX Product Manual - Page 20

Summary of Power-On Options, Digital and Analog Displays

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L C Relative Readings Press Cto enter the Relative mode, zero the display, and store the displayed reading as a reference value. The relative mode annunciator (∆) is displayed. Press Cagain to exit the relative mode. In the Relative mode, the value shown on the LCD is always the difference between the stored reference value and the present reading. For example, if the reference value is 15.00V and the present reading is 14.10V, the display will indicate -0.90V. If the new reading is the same as the reference value, the display will be zero. M F Frequency Counter Mode and Duty Cycle Press the Fto select the Frequency Counter mode; press again to select duty cycle (the alternate counter function); press again to exit. The analog display does not operate in either the Frequency Counter mode or duty cycle. In Frequency Counter mode, the Hz annunciator is displayed. The frequency function autoranges over How to Use the Meter five ranges: 199.99 Hz, 1999.9 Hz, 19.999 kHz, 199.99 kHz, and greater than 200 kHz. The RANGE button manually selects the voltage or current input range. If duty cycle is selected, readings from 0.1 through 99.9 are displayed. The "Hz" annunciator turns off and "%" turns on. Power-On Option: High Input Impedance Mode The input impedance of the l function (400 mV range) is changed from 10 megohms to greater than 4000 megohms. Summary of Power-On Options You can select a number of options each time you turn the meter on. These power-on options (also listed on the rear of the meter) are selected b holding down one or more of the pushbuttons for approximately 2 second while turning the function switch to any ON position. All power-on option are only disabled when the rotary switch is turned to OFF. Each power-o option is discussed in detail under "Pushbuttons" and summarized in Table 4. Digital and Analog Displays Items 14-19 describe the digital and analog displays and LCD annunciators. 13 MyFlukeStore Find QuaSlhitoypPforordFulucktespOrondliuncetsato:nline awt:ww.wGwlo. balTestSupply.com.com [email protected]

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How to Use the Meter
13
L
C
Relative Readings
Press
C
to enter the Relative mode, zero the
display, and store the displayed reading as a
reference value. The relative mode annunciator (
∆
) is
displayed. Press
C
again to exit the relative
mode.
In the Relative mode, the value shown on the LCD is
always the difference between the stored reference
value and the present reading. For example, if the
reference value is 15.00V and the present reading is
14.10V, the display will indicate -0.90V. If the new
reading is the same as the reference value, the
display will be zero.
M
F
Frequency Counter Mode and Duty
Cycle
Press the
F
to select the Frequency Counter
mode; press again to select duty cycle (the alternate
counter function); press again to exit. The analog
display does not operate in either the Frequency
Counter mode or duty cycle.
In Frequency Counter mode, the Hz annunciator is
displayed. The frequency function autoranges over
five ranges: 199.99 Hz, 1999.9 Hz, 19.999 kHz,
199.99 kHz, and greater than 200 kHz. The RANGE
button manually selects the voltage or current input
range. If duty cycle is selected, readings from 0.1
through 99.9 are displayed. The "Hz" annunciator
turns off and "%" turns on.
Power-On Option: High Input Impedance Mode
The input impedance of the
l
function (400 mV
range) is changed from 10 megohms to greater than
4000 megohms.
Summary of Power-On Options
You can select a number of options each time you turn the
meter on. These power-on options (also listed on the rear
of the meter) are selected b holding down one or more of
the pushbuttons for approximately 2 second while turning
the function switch to any ON position. All power-on option
are only disabled when the rotary switch is turned to OFF.
Each power-o option is discussed in detail under
"Pushbuttons" and summarized in Table 4.
Digital and Analog Displays
Items 14-19 describe the digital and analog displays and
LCD annunciators.
Shop for Fluke products online at:
1.888.610.7664
www.
MyFlukeStore
.com