Greenlee DM-60 A, Руководство пользователя, Страница: 65 / 83

64
Display Symbols (1)
Numbe r Symbol Meaning
1 AC Indicator for AC voltage or cu rrent .
Th e displayed value is the me an value.
2 AU TO Th e Met er is in the auto range mod e in which the Meter
auto matic ally sele cts the r ange with the b est r esolution.
3 RS232C Data output. It is alw ays on the L CD , but d ata output in only in
progress when the Met er is connected to the co mput er via the
included RS232 C Inter fac e Cable.
4 % Percent: Us ed for duty cy cle me asur ements.
5
H
Data Hold is a ctive.
6 ∆ Th e RE L mode on, which display the present value minus the stored
value.
7 Th e batte ry is low .
W arning – To avoi d f alse readings , whic h co uld lead to
possible electric shock or perso nal injury, r eplac e the
batter y as soon as the batt er y indicator a ppears .
8 Test of diode.
9
•
)
)
)
Th e continuity bu zze r is on .
Ω
, k
Ω
, M
Ω Ω
: Oh m. The unit o f resistance.
k
Ω
: kiloh m. 1 x 10³ or 1000 ohms .
M
Ω
: Megaoh m. 1 x 10
6
or 1.000 .000 oh ms.
F,
µ
F, nF
F : Fa rad. The unit o f capacitanc e.
µ
F : Micro farad . 1 x 10
-6
or 0.000001 farads.
NF : Nano farad. 1 x 10
-9
or 0.000000001 fa rads.
H z, kHz, MHz H z : Hert z. The unit of fr equency in cycles/se cond.
K Hz : Kilohertz . 1 x 10³ or 1 .000 hertz .
MHz : Meg ahert z. 1 x 10
6
or 1.000.000 he rtz.
V, mV V : Volts. The unit o f voltag e.
m V : Millivolt. 1 x 10
-3
or 0 .001 volts.
10 - 14
A, mA,
µ
A
A : Amper es ( a mps). The unit of current.
mA : Millia mp . 1 x 10
-3
or 0.001 a mpe res .
µ
A : Microa mp. 1 x 10
-6
or 0.000001 a mpe res.
15
Indicates negative r eading.
16 O L Th e input v alue is too large for th e sel ected r ange.