Brymen BM039F Manuale utente

USER'S

MANUAL

BM039F

BM038F

Fork-clamp

Multimeter Series

1) SAFETY

The meter meets IEC/EN/CSA_C22.2_No./UL standards of 61010-1 Ed. 3.0, 61010-2-

032 Ed. 3.0, 61010-2-033 Ed. 1.0 to Measurement Categories CAT III 600V and CAT

IV 300V ac & dc.

The accompanied test probe assembly meets IEC/EN/CSA_C22.2_No./UL standards

of 61010-031 Ed. 2.0 to the same meter ratings or better. The 61010-031 requires

exposed conductive test probe tips to be ≤4mm for CAT III & CAT IV ratings. Refer to

the category markings on your probe assemblies as well as on the add-on accessories

(like detachable Caps or Alligator Clips), if any, for applicable rating changes.

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.

WARNING

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

meter safely and maintaining the meter in a safe operating condition. If the meter is

used in a manner not specified by the manufacturer, the protection provided by the

meter may be impaired.

Observe proper safety precautions when working with voltages above 30 Vrms, 42.4

Vpeak or 60 VDC. These voltage levels pose a potential shock hazard to the user. Do

not expose this product to rain or moisture. The meter is intended only for indoor use.

Keep your hands/fingers behind the hand/finger barriers (of the meter and the test

probe assembly, where applicable) that indicate the limits of safe access of the hand-

held parts during measurements. Inspect lead wires, connectors, and probes for

damaged insulation or exposed metal periodically. If any defects are found, replace

them immediately. Only use the test probe assembly provided with the meter or a UL

Listed test probe assembly to the same meter ratings or better.

Optional offer premium test probe assembly using silicone lead wire insulation, at

agent’s discretion, is equipped with white inner insulation layers as wear indicators.

Replace them immediately if any of the white layers has become visible.

INTERNATIONAL SYMBOLS

Marking of Electrical and Electronic Equipment (EEE). Do not dispose of this

product as unsorted municipal waste. Contact a qualified recycler

Caution! Refer to the explanation in this Manual

Caution! Possibility of electric shock

Earth (Ground)

Meter protected throughout by Double Insulation or Reinforced insulation

Fuse

Direct Current (DC)

Alternating Current (AC)

3Three-phase Alternating Current

Application around and removal from hazardous live conductors is permitted

BRIEF INFORMATION ON 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,

cables, bus-bars, junction boxes, switches, socket-outlets, stationary motors in the

fixed installation, and equipment for industrial use.

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.

2) EUROPEAN DIRECTIVES

The instruments conform to EUROPEAN Low-Voltage Directive 2014/35/EU,

Electromagnetic Compatibility Directive 2014/30/EU and RoHS 2 Directive 2011/65/EU

plus amendment Directive (EU) 2015/863.

3) PRODUCT DESCRIPTION

This user's manual uses only representative model(s) for illustrations. Please refer

detailed specifications for function availability to each model.

1) Fork-clamp for ACA magnetic field

pick up

2) ACA Magnetic field pick-up center

indicator, at where best current

accuracy is specified

3) Push-buttons for special functions &

features.

4) Rotary Selector to turn the power

ON/OFF and select a function

5) 3-5/6 digits 6000 counts numeric

LCD display

6) Input Jack for all functions EXCEPT

Fork-clamp ACA and Non-Contact EF-

Detection functions

7) Common (Ground reference) Input

Jack for all functions EXCEPT Fork-

clamp ACA and Non-Contact EF-

Detection functions

8) Hand/Finger Barrier to indicate the

limits of safe access of the meter during

Fork-clamp ACA measurements

9) ACA Magnetic field pick-up upper

limit indicator; below where current

accuracy is specified

10) Antenna location symbol for Non-

Contact EF-Detection

4) OPERATION

WARNING

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

known source such as line voltage to determine proper meter functioning

ACV (LPF added), & Line-level Hz (LPF added) (Model 039F only)

Inputs are made via the test lead terminals COM/+. Defaults at ACV Function. Press

the SELECT button momentarily to select Line-level Hz function.

Note:

ACV and Line-level Hz functions are bundled with LPF low-pass filter, and are capable

of dealing with most VFD (Variable Frequency Drives) signals. It also improves reading

stability in noisy electrical environments.

DCV

Inputs are made via the test lead terminals COM/+.

Current Measurements: Application & Removal Of The Fork-clamp

Apply the Fork-clamp around conductor(s) of only one single pole of a circuit for load

current measurements. Applying around conductors of more than one pole of a circuit

may result in differential current (like identifying leakage current) measurements. Align

the conductor(s) to the Fork-clamp center indicators as much as possible to get the

best measuring accuracy. For removal, remove the Fork-clamp from the conductor(s).

Adjacent current-carrying devices such as transformers, motors and conductor wires

may affect measurement accuracy. Keep the Fork-clamp away from them as much as

possible to minimize influence during measurements.

WARNING

This Fork-clamp meter series is designed to directly apply around or remove from

uninsulated hazardous live conductors. But still, individual protective equipment must

be used if hazardous live parts in the installation where measurement is to be carried

out could be accessible. Do not use the meter to measure currents above the rated

frequency (400Hz). Circulating currents may cause the magnetic circuits of the Fork-

clamp reach a hazardous temperature.

Fork-clamp ACA

Input is made via the Fork-clamp where best accuracy is specified at the center

indicator area.

Resistance, BeepLitTM Continuity, & BeepLitTM Diode

Inputs are made via the test lead terminals COM/+. Defaults at Resistance. Press

the SELECT button momentarily to select the subject functions in sequence.

◎

BeepLitTM Continuity

This function is having improved convenience for checking wiring connections and

operation of switches. Resistance threshold is being used. A continuous beep sound

together with display backlight flashing indicates a complete wire. Such audible and

visible indications improve continuity readabilities in noisy working environments.

◎BeepLitTM Diode

●Reading indication: Forward voltage drop (forward biased) for a good silicon diode

is between 0.400V to 0.900V. A higher reading indicates a leaky diode (defective). A

zero reading indicates a shorted diode (defective). An over-range display indicates an

open diode (defective). Reverse the test leads connections (reverse biased) across the

diode. The digital display shows over-range if the diode is good. Any other readings

indicate the diode is resistive or shorted (defective).

●Beep-Alert & BeepLitTM indication: When the display reading drops across 0.850V,

the meter alerts a short beep sound to signal a reasonable forward voltage drop of

common diodes. However, if the reading further drops below 0.100V, the meter gives a

continuous beep sound together with the display backlight flashing to indicate a shorted

diode or a complete wire. It is similar to that of BeepLitTM Continuity function but

BeepLitTM Diode, instead, is based on voltage threshold to indicate complete wires.

CAUTION

Using Resistance, BeepLitTM Continuity or BeepLitTM Diode function in a live circuit

will produce false results and may damage the meter. In many cases, the

component(s) under test must be disconnected from the circuit to obtain an accurate

measurement reading.

EF-Detection of Electric Field

Defaults at EF-H, the High sensitivity. The meter displays “EF-H” when it is ready. If it

is too sensitive for your applications, press the SELECT button momentarily to select

EF-L, the Low sensitivity. The detected Electric Field strength is indicated as a series

of bar-graph segments on the display plus variable beep sounds.

●Non-Contact EF-Detection (NCV): An antenna is located along the top-left end of

the Fork-clamp, which detects the electric field surrounds energized conductors. It is

ideal for tracing live wiring connections, locating wiring breakages and to distinguish

between live and earth connections.

●Probe-Contact EF-Detection (Single-pole): For more precise indication of live

wires, such as distinguishing between Live and Ground connections, use one single

test probe to test via terminal COM for direct metal contact probing to achieve the most

distinctive indications.

DCA (Model 039F only)

Inputs are made via the test lead terminals COM/+.

●Application notes:

The DC



Afunction is designed especially for HVAC/R flame sensor applications. The

0.1



A resolution is useful for identifying the minute current changes in flame detector

applications. Flame signal current check should indicate steady flame signal of at least



A for a rectification type, or 1.5



A for an ultraviolet type (8



A for self checking

systems). If a flame signal current with inadequate strength or fluctuation beyond 10%,

check the following to avoid the risk of unwanted flame relay dropout :

For gas or oil flames (Minipeeper):

✓Low supply voltage

✓Detector location

✓Defective detector wiring

✓Dirty viewing windows

✓Faulty Minipeeper

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