Radio Shack 22-812A, Руководство пользователя, Страница: 10 / 24

10
MASTER BKGRD 6-26-07
Basic Operation and Features
MASTER BKGRD 6-26-07
Using Monitor
The meter’s monitor feature displays the minimum or ma�imum �alue measured
and stores those �alues. if the meter measures a �alue higher than the stored
ma�imum �alue or lower than the stored minimum �alue, it updates the stored
�alue with the new �alue. The meter automatically sets itself to manual mode and
disables auto power off when you use it to monitor.
1. Set the meter to any function e�cept
ºC/ºF , dBm ,
,
, LOGIC , or
h
FE .
2. Connect the test leads to the circuit.
3. press
RANGE to select a suitable range for monitor measurement.
4. press MAX/MIN to record the ma�imum and minimum �alues. Max appears.
press MAX/MIN to read the currently selected ma�imum �alue (when Max
appears) or minimum �alue (when Min appears).
5. To pause monitoring, press HOLD . Hold appears. To continue monitoring,
press HOLD again. Hold disappears.
To e�it monitor mode, press MAX/MIN for more than 2 seconds. Max or Min
disappears.
Note : when the meter is set to its �oltage or current function and the input is out of the
setting’s range,
OF
appears and
Max
or
Min
flashes on the left side of the display.
Range Selection
Set the meter to the different measurement ranges. The unit of measure that
appears on the display shows the currently set range. �ote the position of the
decimal. if
0.000 V appears, the meter is set to measure less than 4 �olts. if
0000V appears, the meter is set to measure up to 1000 �olts.
Read the range in �olts, ohms, capacitance, or amps as indicated by the position
of the decimal point.
Range Display Range Display Range Display
400 mV ddd.d mV 4 mA d.ddd mA 400 k
Ω
ddd.d k
Ω
4 V d.ddd V 40 mA dd.dd mA 4 M
Ω
d.ddd M
Ω
40 V dd.dd V 400 mA ddd.d mA 40 M
Ω
dd.dd M
Ω
400 V ddd.d V 4 A d.ddd A 4 nF d.ddd nF
1000 V DC
/750 V AC
dddd V 10 A dd.dd A 40 nF dd.dd nF
400
Ω
ddd.d
Ω
400 nF ddd.d nF
4 k
Ω
d.ddd k
Ω
4 µF d.ddd µF
400 µA ddd.d µA 40 k
Ω
dd.dd k
Ω
40 µF dd.dd µF