Brymen BM878 Bedienungsanleitung

USER'S MANUAL

BM878, BM877 & BM876

Insulation Tester Combination Multimeter

1) SAFETY

This manual contains information and warnings that must be followed for operating the

instrument safely and maintaining the instrument in a safe operating condition. If the

instrument is used in a manner not specified by the manufacturer, the protection

provided by the instrument may be impaired. The meter is intended only for indoor use.

Terms in this manual

WARNING identifies conditions and actions that could result in serious injury or even

death to the user.

CAUTION identifies conditions and actions that could cause damage or malfunction in

the instrument.

Information about Measurement Categories

Measurement Category IV is applicable to test and measuring circuits connected at

the source of the building’s low-voltage MAINS installation. Examples are

measurements on devices installed before the main fuse or circuit breaker in the

building installation.

Measurement Category III is applicable to test and measuring circuits connected to

the distribution part of the building’s low-voltage MAINS installation. Examples are

measurements on distribution boards (including secondary meters), circuit-breakers,

wiring, including cables, bus-bars, junction boxes, switches, socket-outlets in the fixed

installation, and equipment for industrial use and some other equipment such as

stationary motors with permanent connection to the fixed installation.

Measurement Category II is applicable to test and measuring circuits connected

directly to utilization points (socket outlets and similar points) of the low-voltage MAINS

installation. Examples are measurements on MAINS CIRCUITS of household

appliances, portable tools and similar equipment.

International Electrical Symbols

! Caution ! Refer to the explanation in this Manual

Caution ! Risk of electric shock

Earth (Ground)

Double Insulation or Reinforced insulation

Fuse

AC--Alternating Current

DC--Direct Current

The instrument is protected throughout by Double Insulation per IEC/UL/EN61010-1

Ed. 3.0, IEC/EN61010-2-030 Ed. 1.0, IEC/EN61010-2-033 Ed. 1.0, IEC/UL/EN61010-

031 Ed. 1.1 and CAN/CSA-C22.2 No. 61010-1-12 Ed. 3.0 to Measurement CAT-III 1kV

and CAT-IV 600V, AC & DC. All input terminals are also rated to such Measurement

Categories requirements.

The instrument also meets the relevant Parts of EN61557 for CE requirements, and are

not certified by UL.. In particular, Part 1 Ed. 2.0 General requirements, Part 2 Ed. 2.0

Insulation Resistance and Part 4 Ed. 2.0 Resistance of earth connection and

equipotential bonding, where applicable.

WARNING

To reduce the risk of fire or electric shock, do not expose this product to rain or

moisture. To avoid electrical shock hazard, observe the proper safety precautions when

working with voltages above 60 VDC or 30 VAC rms. These voltage levels pose a

potential shock hazard to the user. Do not touch test lead tips or the circuit being tested

while power is applied to the circuit being measured. Keep your fingers behind the

finger guards of the test leads during measurement. Inspect test leads, connectors, and

probes for damaged insulation or exposed metal before using the instrument. If any

defects are found, replace them immediately. Never attempt a voltage measurement

with the test lead inserted into the /mA or input jack that is available. Only

replace the blown fuse with the proper rating as specified in this manual. Only use the

Test Probe Assemblies provided with the equipment or UL Listed Probe Assemblies

with same rating or better. IEC 61010-031 requires exposed conductive test probe tips

to be ≤ 4mm for CAT III & CAT IV ratings. It is commonly achieved by permanently

over-molded plastic shrouds, or by detachable Cap shrouds for interchangeable

between CAT II ratings. Refer to the category markings on your probe assemblies as

well as on the add-on accessories (like Caps or Clips), if any, for applicable rating

changes.

CAUTION

Disconnect the test leads from the test points before changing functions. Always set the

instrument to the highest range and work downward for an unknown value when using

manual ranging mode.

2) CENELEC DIRECTIVES

The instruments conform to CENELEC Low-voltage directive 2006/95/EC and

Electromagnetic compatibility directive 2004/108/EC

3) PRODUCT DESCRIPTION

Note: Top of the line model is used as representative for illustration purposes. Please

refer to your particular model for function availability.

Analog bar-graph

The analog bar graph provides a visual indication of measurement like a traditional

analog meter needle. It is excellent in detecting faulty contacts, identifying

potentiometer clicks, and indicating signal spikes during adjustments.

1) 3-5/6 digits 6000 counts

dual displays

2) Push-buttons for special

functions & features

3) Selector to turn the

Power On or Off and Select

a function

4) Input Jack for

Earth Continuity Test

function

5) Common (Ground

reference) Input Jack for all

functions EXCEPT

Insulation Resistance

function

6) Input Jack for all

functions EXCEPT

Earth Continuity Test and

mA functions

7) Input Jack for Insulation

function Ground reference

or mA function

positive input

4) OPERATION

CAUTION

Before and after hazardous voltage measurements, test the voltage function on a

known source such as line voltage to determine proper meter functioning.

ACV +Hz & VFD ACV +Hz functions

Press the SELECT button momentarily to toggle the subject functions. Last selection

will be saved as power up default for repeat measurement convenience. For ACV +Hz

function, press the RANGE button momentarily to select other ranges when needed.

For VFD ACV +Hz function, only 600V range is available to best cope with the range of

most Variable Frequency Drives (VFD) measurements.

To select DCV function, turn the Rotary Knob to DCV position for measurements.

 Resistance, Continuity functions

Press the SELECT button momentarily to toggle the functions. Last selection will be

saved as power up default for repeat measurement convenience. Continuity function

is convenient for checking wiring connections and operation of switches. A continuous

beep tone indicates a complete wire.

CAUTION

Using resistance or continuity function in a live circuit will produce false results and may

damage the instrument. In many cases the suspected component must be

disconnected from the circuit to obtain an accurate reading

Diode Test, Capacitance (Model 878 only) functions

Press the SELECT button momentarily to toggle the functions. Last selection will be

saved as power up default for repeat measurement convenience. (Model 877 Diode

Test function is combined to its / / Rotary Knob position)

CAUTION

Discharge capacitors before making any measurement. Large value capacitors should

be discharged through an appropriate resistance load.

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). 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).

DCmV, ACmV +Hz functions (Model 878 only)

Press the SELECT button momentarily to toggle the subject functions. Last selection

will be saved as power up default for repeat measurement convenience.

Temperature functions (Model 878 only)

Press SELECT button momentarily to toggle C and F readings. Last selection will be

saved as power up default for repeat measurement convenience.

Note: Be sure to insert the banana plug type-K temperature bead probe Bkp60 with

correct polarities. You can also use a plug adapter Bkb32 (Optional purchase)

with banana pins to type-K socket to adapt other standard type-K mini plug temperature

probes.

DCmA, ACmA +Hz functions (Model 878 only)

Press the SELECT button momentarily to toggle the subject functions. Last selection

will be saved as power up default for repeat measurement convenience.

Earth Continuity Test function (Models 878 & 877 only)

WARNING

This function measures the Resistance values of earth connection and equipotential

bonding in Low Voltage Distribution Systems up to Nominal Voltage (Un) 830V, phase-

to-phase. DO NOT use on Systems with Nominal Voltages above that. Measurements

shall only be carried out on de-energized circuits. The measuring loop is protected by

an HBC 1kV F fuse against accidental extraneous overvoltages.

The LCD icon used alone throughout in this manual is referred as active

measurements of Earth Continuity Test function through the activation of the TEST

button on the meter or on the Remote Probe. Check the fuse before each . If the

fuse is open, the meter will display “OPEn” when the is being activated at no circuit

connection to the probes. Refer to the maintenance section for fuse replacement.

is inhibited when the meter beeps and displays “>2V” plus warning against

energized circuit of more than 2V is being connected, before the is active.

Connecting to energized circuits when the is active will produce false results and

may blow the protection fuse and/or damage the instrument. Always check with voltage

functions and remove power from the circuits before carrying out the .

The results of measurements can be adversely affected by impedances of

additional operating circuits connected in parallel or by transient currents.

Setup as illustrated below. This function uses measuring currents of 200mA for 2.199Ω

Dieses Handbuch passt für folgende Modelle

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