Brymen BM27s Manual

Brymen Multimeter BM27s

Læs gratis den danske manual til Brymen BM27s (7 sider) i kategorien Multimeter. Denne vejledning er vurderet som hjælpsom af 13 personer og har en gennemsnitlig bedømmelse på 4.4 stjerner ud af 7 anmeldelser. Har du et spørgsmål om Brymen BM27s, eller vil du spørge andre brugere om produktet?

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Side 1/7

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

mode is the default function in Auto V. Press the SELECT button momentarily to select “” position.

and step through the functions: AutoCheck

→Continuity→EF→ACV→DCV→



→Hz→Cx→AutoCheck

-AutoCheck

mode (

Model s s 27 , 25 & 25a only)

This innovative AutoCheck

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

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

mode.

*Hazardous-Alert: When making resistance measurements in AutoCheck

mode, an unexpected display of

voltage readings alerts you that the part under test is still energize d.

*AutoCheck

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

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

-Electric Field EF-Detection ( only) Models s s 27 , 25 & 25a

From AutoCheck

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

In Manual Selection ( only) Models s s 27 , 25 & 25a

From AutoCheck

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

. Such selected function

remains auto-ranging.

-Frequency And Capacitance (

Models s s 27 , 25 & 25a only)

From AutoCheck

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

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

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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