Brymen BM195 Manuel utilisateur

USER'S

MANUAL

BM195

BM197

BM198PV

Versatile Clamp-

on Multimeter

Series

1) SAFETY

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.

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.

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.

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

All meter models meet IEC/EN/BSEN/CSA_C22.2_No./UL standards of 61010-1 Ed.

3.1 and 61010-2-032 Ed. 4.0 to Measurement Categories CAT IV 1000V ac & dc. The

model 198PV additionally meets CAT III 1500V dc for Photovoltaic Power Generation

applications.

The accompanying test probe assembly meets IEC/EN/BSEN/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 and the add-on accessories

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

INTERNATIONAL SYMBOLS

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

product as unsorted municipal waste. Contact a qualified recycler

Refer to the explanation in this Manual

Possibility of electric shock

Earth (Ground)

Meter protected throughout by Double Insulation or Reinforced insulation

Fuse

Direct Current (DC)

Alternating Current (AC)

3 Three-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 AND UK STATUTORY REQUIREMENTS

The instruments conform to EUROPEAN (CE) 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. The instruments also conform to the UK

(UKCA) Electrical Equipment (Safety) Regulations 2016, Electromagnetic Compatibility

Regulations 2016, and The Restriction of the Use of Certain Hazardous Substances in

Electrical and Electronic Equipment Regulations 2012.

3) PRODUCT DESCRIPTION

This user's manual uses only a representative model (Model 197) for illustrations.

Please refer to specification details for function availability to different models.

1) Antenna for Non-Contact EF-

Detection

2) Hand/Finger Barrier to

indicate the limits of safe access

of the meter during a

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

Note: 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 (Models 197 & 195 only)

This innovative AutoCheckTM feature automatically selects the 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 is

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.

Note:

AutoCheckTM mode input impedance increases abruptly from an 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 lead 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 (Models 198PV & 197 only) functions

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

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

ACA Hz, DCA & DC+ACA Hz (Models 198PV & 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.

Note: (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.

Note:

Do not use the meter to measure currents above the rated frequency (400Hz).

Circulating currents may cause the magnetic circuits of the Jaws to reach a hazardous

temperature.

 Resistance & Continuity functions

Inputs are made through the test lead 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).

Note:

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 (Models 198PV & 197 only)

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

select oF (Fahrenheit) readings. Inputs are made through the test lead 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 a type-K socket to adapt other type-K standard mini-plug temperature probes.

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