Brymen TBM195 Manuel utilisateur

USER'S

MANUAL

TBM195

TBM197

Versatile

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/EN61010-1 Ed. 2 & 3, IEC/EN61010-2-030 Ed. 1, CAN/CSA C22.2 No. 61010-

1 Ed. 2 & 3, IEC/EN61010-2-032 Ed. 2 & IEC/EN61010-031 Ed. 1.1:

Measurement Category IV 1000V 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 PERMANENTLY

CONNECTED EQUIPMENT.

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 MAINS 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.

CAUTION identifies 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

IV 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 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

Application around and removal from hazardous live conductors is

permitted

2) CENELEC Directives

The instruments conform to CENELEC 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 for Non-Contact EF-

Detection

2) Hand/Finger Barrier to

indicate the limits of safe

access of the meter during

measurement

3) Rotary-switch Selector to turn

the power ON/OFF and

Select a function

4) Push-buttons for special

functions & features.

5) Input Jack for all functions

EXCEPT non-invasive DCA

& ACA current functions

6) Common (Ground reference)

Input Jack for all functions

EXCEPT non-invasive DCA &

ACA current functions

7) 3-5/6 digits 6000 counts & 3-

1/2 digits 2000 counts dual

numeric LCD display

8) Jaw trigger for opening the

clamp jaw

9) Jaw center (& DCA polarity)

Indicator, at where best DCA &

ACA accuracy is specified

10) Hall-effect Clamp Jaw for

AC & DC current magnetic field

pick up

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.

AutoCheckTM mode

This innovative AutoCheckTM feature automatically selects measurement function of

ACV Hz,DCV, or Resistance ()based on the input via test leads.

With no input, the meter displays “Auto” when it is ready.

With no voltage signal but a resistance below 10M(nominal) is present, the meter

displays the resistance value. When the resistance is below the “Audible Threshold”,

the meter further gives a continuity beep tone.

When a signal above the voltage threshold of 1.5V DC or AC up to the rated 1000V is

present, the meter displays the voltage value in appropriate DCV or ACV, whichever

larger in peak magnitude.

Note:

*Range-Lock and Function-Lock Feature: When a measurement reading is being

displayed in AutoCheckTM mode, press the RANGE or SELECT button momentarily 1

time can lock the range or function it was in. Press the button momentarily repeatedly to

step through the ranges or functions.

*As Hazardous-Alert: When making resistance measurements in AutoCheckTM mode,

an unexpected display of voltage readings alerts you that the object under test is being

energized.

*Ghost-voltage Buster: Ghost-voltages are unwanted stray signals coupled from

adjacent hard signals, which confuse common multimeter voltage measurements. Our

AutoCheckTM mode provides low (ramp-up) input impedance (approx. 2.5kΩ at low

voltage) to drain ghost voltages leaving mainly hard signal values on meter readings. It

is an invaluable feature for precise indication of hard signals, such as distinguishing

between hot and open wires (to ground) in electrical installation applications.

WARNING:

AutoCheckTM mode input impedance increases abruptly from initial 2.5kΩ to a few

hundred kΩ’s on high voltage hard signals. “LoZ” displays on the LCD to remind the

users of being in such low impedance mode. Peak initial load current, while probing

1000VAC for example, can be up to 566mA (1000V x 1.414 / 2.5kΩ), decreasing

abruptly to approx. 3.37mA (1000V x 1.414 / 420kΩ) within a fraction of a second. Do

not use AutoCheckTM mode on circuits that could be damaged by such low input

impedance. Instead, use rotary-switch selector or high input impedance voltage

modes to minimize loading for such circuits.

VFD-ACV Hz & ACV Hz functions

Inputs are made through the test leads terminals.

VFD-ACV Hz function is to deal with VFD (Variable Frequency Device) signals. It,

however, further pre-selects the most appropriate voltage-ranges and thus the Hz

trigger levels to best cope with most VFD-Voltage and VFD-Frequency applications.

Note: The Hz trigger level is determined by the AC/DC+AC Voltage or Current

function-range being in use. Press RANGE button to select different function-ranges

and thus trigger levels manually.

DCV & DC+ACV Hz (Model 197 only) functions

Inputs are made through the test leads terminals. Defaults at DCV Function. Press

SELECT button momentarily and release to select DC+ACV Hz.

ACA Hz, DCA & DC+ACA Hz (Model 197 only) functions

Input is made through the clamp jaws for non-invasive current measurements. Defaults

at ACA Hz Function. Press SELECT button momentarily and release to select the

subject functions in sequence.

CAUTION (Application and removal of the Clamp-on meter)

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. Locate the conductor(s) at the

Jaws center 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

will affect measurement accuracy. Keep the jaws away from them as much as possible

to minimize influence.

Resistance & Continuity functions

Inputs are made through the test leads terminals. Defaults at Resistance. Press

SELECT button momentarily and release to select. Continuity

Capacitance & Diode functions

Inputs are made through the test lead terminals. Defaults at Capacitance. Press

SELECT button momentarily and release to select Diode.

Note

When using Diode test function, 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).

CAUTION

1. Using Resistance, Continuity, Diode or Capacitance function in a live circuit will

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

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

measurement reading.

2. When using Capacitance function, discharge capacitor(s) before making any

measurements. Large value capacitors should be discharged through an appropriate

resistance load

Temperature function (Model 197 only)

Defaults at oC(Celsius) readings. Press SELECT button momentarily and release to

select oF(Fahrenheit) readings. Inputs are made through the test leads terminals. 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 type-K standard mini plug temperature probes.

Ce manuel convient aux modèles suivants

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