Brymen BM089 Manuale utente

USER'S MANUAL

BM089 & BM088 DC+AC

BM086 & BM083 AC

Clamp-on Multimeter Series

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 protection rating, against the users, is double insulation

per UL/IEC/E 61010-1 Ed. 3.0, IEC/E 61010-2-033 Ed. 1.0, CA /CSA

C22.2 o. 61010-1 Ed. 3.0, IEC/E 61010-2-032 Ed. 3.0 &

IEC/E 61010-031 Ed. 1.1:

Measurement Category III 1000V & Category IV 600V AC & DC.

Per IEC61010-1 (2010) OVERVOLTAGE CATEGORY

OVERVOLTAGE CATEGORY ll (CAT II) is for equipment intended to

be supplied from the building wiring. It applies both to plug-

connected equipment and to PERMA E TLY CO ECTED

EQUIPME T.

OVERVOLTAGE CATEGORY lll (CAT III) is for equipment intended

to form part of a building wiring installation. Such equipment includes

socket outlets, fuse panels, and some MAI S installation control

equipment.

OVERVOLTAGE CATEGORY lV (CAT IV) is for equipment installed

at or near the origin of the electrical supply to a building, between

the building entrance and the main distribution board. Such

equipment may include electricity tariff meters and primary

overcurrent protection devices.

TERMS IN THIS MANUAL

WARNING identifies conditions and actions that could result in

serious injury or even death to the user.

CAUTIONidentifies conditions and actions that could cause damage

or malfunction in the instrument.

WARNING

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

to rain or moisture. The meter is intended only for indoor use.

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.

Before and after hazardous voltage measurements, test the voltage

function on a known source such as line voltage to determine proper

meter functioning.

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

meter and the test leads) that indicate the limits of safe access of

the hand-held part 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. Only use the test lead provided with the equipment or

UL Listed Probe Assembly rated CAT III 1000V or better.

This Clamp-on meter is designed to 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.

CAUTION

Disconnect the test leads from the test points before changing meter

functions.

INTERNATIONAL ELECTRICAL SYM OLS

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

Application around and removal from hazardous live

conductors is permitted

2) CENELEC Directives

The instruments conform to CE ELEC Low-voltage directive

2006/95/EC and Electromagnetic compatibility directive 2004/108/EC

3) PRODUCT DESCRIPTION

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

Please refer specification details for function availability to each

model.

1) Antenna area for on-

Contact EF-Detection

2) Jaw center indicator

(with DCA polarity for

Models 089 & 088), at

where best current

accuracy is specified

3) Rotary Selector to turn

the power O /OFF and

Select a function

4) 3-5/6 digits 6000

counts numeric LCD

display

5) Additional input Jack

for Phase Rotation

function only

6) Input Jack for all

functions EXCEPT non-

invasive DCA,

DC+ACA, or ACA

current functions

7) Common (Ground

reference) Input Jack for

all functions EXCEPT non-

invasive DCA, DC+ACA, or

ACA current functions

8) Push-buttons for

special functions &

features.

9) Jaw trigger for opening the clamp jaw

10) Hand/Finger Barrier to indicate the limits of safe access of the

meter

11) Clamp Jaw for DC or AC current magnetic field pick up

12) Additional center indicator for AmpTipTM Low-current function, at

where best AmpTipTM current accuracy is specified

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, DCV, DC+ACV (Models 089 & 088 only), EF (NCV), &

Line-level Hz functions

Inputs, other than that of EF as described below, are made through

the test lead terminals COM/+. Press SELECT button momentarily to

select the subject functions in sequence. Last selection will be saved

as power up default for repeat measurement convenience. Press Hz

button momentarily to toggle the Line-level Hz function.

ote: ACV (and hence AC+DCV & Line-level Hz) function is

equipped with digital low-pass filter, and is capable of dealing with

VFD (Variable Frequency Drives) signals. It also improves ACV

reading stability in noisy electrical environments.

Electric Field EF-Detection

The meter displays “EF” when it is ready. Signal strength is indicated

as a series of bar-graph segments on the display together with

variable beep tones.

● on-Contact EF-Detection: An antenna is located along the top-

right end of the stationary clamp jaw, which detects electric field

surrounds energized 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 connections,

use one single probe to test via terminal COM for direct contact EF-

Detection with best sensitivity.

CAUTION & WARNING for Non-Invasive (Clamp-on) Current

Measurements:

CAUTION

(Application and Removal of the Clamp-on Jaws) For non-invasive

current measurements, press the jaw trigger and clamp the jaws

around conductor(s) of only one single pole of a circuit for load

current measurement Make sure the jaws are completely closed, or

else it will introduce measurement errors Enclosing conductor(s) of

more than one pole of a circuit may result in differential current (like

identifying leakage current) measurement Align the conductor(s) to

the Jaws center indicators (Regular or AmpTip™ indicators where

applicable) as much as possible to get the best measuring accuracy

For removal, press the jaw trigger and remove the jaws from the

conductor(s)

Adjacent current-carrying devices such as transformers, motors and

conductor wires may affect measurement accuracy Keep the jaws

away from them as much as possible to minimize influence

WARNING

Do not use the meter to measure currents above the rated frequency

(400Hz) Circulating currents may cause the magnetic circuits of the

Jaws reach a hazardous temperature

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