Meco 81K, Инструкция по эксплуатации

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5 6
7
8
4. Timer [RS 232]
l Press this button more than 2 seconds the meter enter communication on and "RS232" appear on
display screen .
l At communication mode auto power off disable.
l Press this button more than 2 seconds again the meter exit this mode and return normal state.
l Setting time for measuring see special functions.
5. H
l Press this button meter enter auto data hold mode and "A-H" appear on display screen .
l The data hold function allows aperator to hold the dispiayed digital value while analog bar graph
continues showing the present reading.
l At auto hold mode the meter can refresh hold new stable readings and sound point out.
l Press this button again, the meter enter Peak + hold modc and a "PH+"appear on display screen.
l Press this button again, the meter enter Peak - hold mode and "PH-" appear on display screen.
l Press this button more than 2 seconds the meter exit HOLD mode and return to normal state.
6. 2nd VIEW
1. SELECT
l Press this button you can select your measurement mode.
l When meter as square wave output, press this button can select duty of square wave (1% - 99%).
2. RANGE
l When power on meter it at auto range mode,press this button can select your measurement range.
l While SET button operating the RANGE change as
p
(moving up) button. Press this button can move
setting digits up.
l Press this push button more than 2 seconds meter return to auto range.
3. MAX / MIN
l Press this button momentary the meter enter dynamic record mode.
l At dynamic record mode, press this button momentary again to cycle MAX, MIN, AVG, MAX-MIN and
Present Reading on secondary display.
l Press this push button more than 2 seconds meter retum to normal mode .
l At MAX/MIN state the recording time is 36 hours.
l While SET button operating the MAX / MIN change as
t
(moving left) button. Press this button can
move setting digits left.
Rotary switch
About rotary switch function refer to table 2
Table 2. functions of rotary switch
position of Function
rotary switch
V AC V
V DC V
mV DC, AC millivoltage
Diode & continuity
V
Resistance
DUTY/Hz Duty / Frequency
Capacitance
mA -- milliampere current
A ~ Ampere current
OUT Squarer wave output
TEMP Temperature
OFF Power off
Push button
Figure 3. Push button
Figure 2. Rotary switch
l Use 2nd VIEW select secondary display functions. table 3 shows press 2nd VIEW button various
measuring states.
Table 3. press 2nd VIEW for secondary display
Rotary Switch position Measure state Primary display Second display
V ACV+Hz ACV Hz/ %/ %/ ms/ ms
AC dBm+Hz AC dBm ACV/Hz
V (ACV+DCV)+Hz ACV+DCV ACV/Hz
dBm+Hz dBm Hz/ACV/DCV/ACV+DCV
mV ACmV+Hz ACmV Hz/ %/ %/ ms/ ms
dBm+Hz dBm Hz/ACmV/DCmV/ACmV+DCmV
Hz / DUTY Hz Hz %/ %/ ms/ ms
OUT OUT Press 2nd VIEW Press SELECT
to change output to change duty value
frequency
l The meter as square wave output,press this button can selecting frequency :
0.5000Hz/1.0000Hz/2.0000Hz/10.000Hz/50.000Hz/60.240Hz/74.63Hz/100.00Hz/151.50Hzi200.00Hz/
303.00Hz/606.10Hz/1.2500kHz/1.6660kHz/2.5000kHz/5.0000kHz .
l Press this button more than 2 seconds the meter return 606.10 Hz, 50% of duty output state.
l While SET button operating the 2nd VIEW change as
q
(moving down) button. Press this button can
move setting digits down.
7. REL
r
l Press this button the meter enter relative measuring state and “REL
r
” appear on display. In this mode