Brymen BM27s Manual
Brymen
Multimeter
BM27s
Læs nedenfor 📖 manual på dansk for Brymen BM27s (7 sider) i kategorien Multimeter. Denne guide var nyttig for 5 personer og blev bedømt med 4.5 stjerner i gennemsnit af 3 brugere
Side 1/7
2
INTERNATIONAL ELECTRICAL SYMBOLS
!
!
!
!!
Caution ! Refer to the explanation in this Manual
Caution ! Risk of electric shock
Earth (Ground)
Double Insulation or Reinforced insulation
Fuse
Alternating Current AC--
Direct Current DC--
3) CENELEC DIRECTIVES
The instruments conform to CENELEC Low-voltage directive 2006/95/EC and Electromagnetic compatibility
directiv 2004/108/ e EC
4) OPERATION
Note: All function operations described hereafter are via the Red test lead for positive (+) polarity and Black test
lead for Ground reference (-), or otherwise specified
Warning: Before and after hazardous voltage measurements, test the voltage function on a known source such as
line voltage to determine proper meter functioning.
4-1) FUNCTIONS IN “Auto V.
” POSITION (Models s s 27 , 25 & 25a only)
-Quick Start (
Models s s 27 , 25 & 25a only)
AutoCheck
TM
mode is the default function in Auto V. Press the SELECT button momentarily to select “” position.
and step through the functions: AutoCheck
TM
→Continuity→EF→ACV→DCV→
→Hz→Cx→AutoCheck
TM
-AutoCheck
TM
mode (
Model s s 27 , 25 & 25a only)
This innovative AutoCheck
TM
feature automatically selects measurement function of DCV, ACV or Resistance ()
based on the input via the test leads.
●With no input, the meter displays “Auto” when it is ready.
●With no voltage signal but a resistance below 6M is present, the meter displays the resistance value. When
below 25 is present, the meter (
Model s27 only) further gives a continuity beep tone.
●When a signal above the threshold of DC 1.2V or AC 1.5V up to the rated 600V (450V for
Model s25 & 25a) is
present, the meter displays the appropriate voltage value in DC or AC, whichever larger in peak magnitude.
●Overload-Alert Feature: When above rated 600V (450V for ) is present, the meter displays Model s25 & 25a
“OL” with a warning beep tone. Disconnect the test leads from the signal immediately to avoid hazards.
Note:
*Range-Lock Feature: When a measurement reading is being displayed in AutoCheck
TM
mode, press the
SELECT 1 time button momentarily can lock the function-range it was in. The LCD annunciator “
” turns
off. Range-lock can speed up repetitive measurements. Press the button momentarily again to return to SELECT
AutoCheck
TM
mode.
*Hazardous-Alert: When making resistance measurements in AutoCheck
TM
mode, an unexpected display of
voltage readings alerts you that the part under test is still energize d.
*AutoCheck
TM
nominal input impedances are slightly lower than that of common digital multimeters. They are, in
fact, more similar to that of most traditional analog multimeters. “LoZ” will display on the LCD to remind the users
in such cases. Although not likely, if such impedance might damage your circuits, use the common impedance (Hi-
Z) voltage mode (
Models s & s27 22 only) for making voltage measurements on them.
-Continuity, Audible With Symbolic Display (
Models s s 27 , 25 & 25a only)
From AutoCheck
TM
ress the button momentarily to select Continuity with “Auto” being displayed, p SELECT 1 time
function. The meter displays a symbolic open-switch display “
” when it is ready. Continuity is convenient for
checking wiring connections and operation of switches. A continuous beep tone with a symbolic closed-switch
display “
” indicates a complete circuit. In noisy environments, it is helpful to “see” continuity measuremen
3
-Electric Field EF-Detection ( only) Models s s 27 , 25 & 25a
From AutoCheck
TM
ress the button momentarily to select EF-with “Auto” being displayed, p SELECT 2 times
Detection feature. T Signal strength is indicated as a series of bar-graph he meter displays “EF” when it is ready.
segments on the display and variable beep tones.
●Non-Contact -Detection:EF An antenna is located at the top left corner of the meter, which detects electric field
surrounds current-carrying conductors. It is ideal for tracing live wiring connections, locating wiring breakage and to
distinguish between live or earth connections.
●Probe-Contact EF-Detection: For more precise indication of live wires, such as distinguishing between live and
ground sockets, the Red (+) test probe for direct contact measurements. use
-V and
of AutoCheck
TM
In Manual Selection ( only) Models s s 27 , 25 & 25a
From AutoCheck
TM
ress the button momentarily to select ACV, with “Auto” being displayed, p SELECT 3 times 4
times 5 times to select DCV and to select Resistance ( ) functions of AutoCheck
TM
. Such selected function
remains auto-ranging.
-Frequency And Capacitance (
Models s s 27 , 25 & 25a only)
From AutoCheck
TM
ress the button momentarily to select with “Auto” being displayed, p SELECT 6 times
Frequency (Hz), to select Capacitance (F) functions to return to AutoCheck7 times and 8 times
TM
mode.
Note:
*Unlike the Line Level Hz Frequency function (for only) as stated, this (Common) Hz Frequency Model s27
function is set only at the highest input sensitivity mainly for measuring small electronic signals of below 20VAC
rms.
4-2) OTHER FUNCTIONS
-DCV, ACV & Li -Level Hz functions (ne
Model s27 only)
Rotate the rotary selector to the V position selects common impedance (Hi-Z) voltage measurements. DCV is the
default function. Press SELECT button momentarily to select ACV. The AC annunciator “
” turns on. Press
momentarily again to activate the Line-Level Hz function.
Note:
*Line-Level Hz input sensitivity varies automatically with ACV range selected when Line-Level Hz is selected. AC
6V range has the highest and AC 600V range has the lowest sensitivity. Measuring the signal in ACV function
WHILE selecting Line-Level Hz function in that ACV range automatically sets the most appropriate sensitivity for
higher voltage applications. This can avoid electrical noises as in 110/220V line voltage applications for example. If
the reading shows zero due to insufficient signal levels, select Line-Level Hz function BEFORE making
measurements (at AC 6V range) will set the highest sensitivity.
-Diode & 600
functions ( only)
Model s27
Rotate the rotary selector to the
/600 sition. po
Diode test is the default function. The reading shows the approximate voltage drop across the test leads. Normal
forward voltage drop (forward biased) for a good silicon diode is between 0.400V to 0.900V. A reading higher than
that indicates a leaky diode (defective). A zero reading indicates a shorted diode (defective), and the meter will
give a long beep as continuity warning. An OL indicates an open diode (defective). Reverse the test leads
connections (reverse biased) across the diode. The digital display shows OL if the diode is good. Any other
readings indicate the diode is resistive or shorted (defective).
Press button momentarily selects the lowest 600 range for lower resistance measurements. It is an SELECT
extended range to complement the AutoCheck
TM
Resistance ( ) function.
- -DC
A & AC- A Micro-Amp functions ( only)
Model s27
Rotate the rotary selector to the A position. The display-reading unit is in A although there is no unit
annunciator on the display. DC- A is the default function. There is no annunciator for DC. Press button SELECT
Produkt Specifikationer
| Mærke: | Brymen |
| Kategori: | Multimeter |
| Model: | BM27s |
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