Brymen TBM061 Manuale utente

USER'S

MANUAL

TBM061

TBM062

TBM063

TBM065

Compact AC/DC

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 IEC61010-1 2nd

Ed., EN61010-1 2nd Ed., UL61010-1 2nd Ed., CAN/CSA C22.2 No. 61010-1, 2nd Ed.,

IEC61010-2-032, EN61010-2-032, UL61010B-2-032 and CAN/CSA C22.2 No.

61010-2-032-04:

Category CAT III 600V AC & DC.

PER IEC61010 OVERVOLTAGE INSTALLATION CATEGORY

OVERVOLTAGE CATEGORY II

Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be

supplied from the fixed installation.

Note – Examples include household, office, and laboratory appliances.

OVERVOLTAGE CATEGORY III

Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations.

Note – Examples include switches in the fixed installation and some equipment for

industrial use with permanent connection to the fixed installation.

OVERVOLTAGE CATEGORY IV

Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the

installation. Note – Examples include electricity meters and primary over-current

protection equipment.

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.

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.

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

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

refer to your respective model for function availability.

1) Hall-effect Clamp Jaw for AC

& DC current magnetic field pick

2) Hand/Finger Barrier to

indicate the limits of safe access

of the meter during

measurement

3) Push-buttons for special

functions & features

4) Input Jack for all functions

EXCEPT non-invasive ACA &

DCA current functions

5) Common (Ground reference)

Input Jack for all functions

EXCEPT non-invasive ACA &

DCA current functions

6) Slide-switch Selector to turn

the power ON/OFF and Select a

function

7) 3-3/4 digits 4000 counts LCD

display

8) Jaw trigger for opening the

clamp jaw

9) DCA direction for + polarity as

well as Jaw center Indicator, at

where best ACA & DCA

accuracy is specified

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.

DC Voltage, AC Voltage, Hz Frequency functions

Set slide-switch to Voltage function position. Inputs are made through the test leads

terminals. For Models 063 & 065, slide-switch on defaults at AC voltage. Press

SELECT button momentarily to select DC voltage. For Models 061& 062, separate

ACV & DCV slide-switch positions are being used.

Press the Hz button momentarily to activate Hz Frequency. The Hz trigger level is

determined by the selected function-range from where the Hz function is activated. In

ACV function, activating the Hz function during significant measurements can get the

most appropriate trigger level to avoid electrical noises in most cases. Electrical noise

may cause unstable Hz reading. Activating the Hz function at AC 4.000V range (before

making significant measurements) can get lower trigger level (higher sensitivity). Hz

reading may show zero when the sensitivity is insufficient.

Note: DC 400.0mV range is designed with 1000Mhigh input impedance for least

current drain in measuring small signals, and can cope better with most commercially

available voltage output transducers/adapters. The non-zero display reading is normal

when the meter inputs are open circuit, which will not affect actual measurement

accuracy. The meter will show close-to-zero readings when the inputs are shorted.

Open input is actually a floating condition, which is not a zero-volt-input condition.

ACA & DCA Current clamp-on function

Inputs are made through the clamp jaws for non-invasive ACA & DCA current

measurements.

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

Press the jaw trigger and clamp the jaws around only one single conductor of a circuit

for load current measurement. Make sure the jaws are completely closed, or else it will

introduce measurement errors. Enclosing more than one conductor of a circuit will

result in differential current measurement (like identifying leakage current). Locate the

conductor(s) at the Jaws center as much as possible to get the best measuring

accuracy. The jaw “+” mark indicates current flow direction on DCA positive readings.

For removal, press the jaw trigger and remove the jaws from the conductor(s).

Note: In DCA measurements, hysteresis of the jaws (after measuring high DC currents)

may introduce non-zero residual readings. Relative Zero mode should be used

each time to offset the residual readings, if any, for more accurate measurements.

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, and Continuity functions

CAUTION

Using Resistance, Continuity or Diode 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 measurement reading

Inputs are made through the test leads terminals. Slide-switch on defaults at . Press

SELECT button momentarily to select Continuity function which is convenient for

checking wiring connections and operation of switches. A continuous beep tone

indicates a complete wire.

Diode test function

Inputs are made through the test leads terminals. Slide-switch on defaults at .Press

SELECT button momentarily 2 times to select 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).

Capacitance function

Inputs are made through the test leads terminals. Slide-switch on defaults at .Press

SELECT button momentarily 3 times to select Capacitance function. Relative zero

mode can be used to zero out the parasitic capacitance of the leads and the internal

protection circuitry of the meter when measuring low capacitance in the order of Pico

Farad (pF).

CAUTION

Discharge capacitors before making any measurement. Large value capacitors should

be discharged through an appropriate resistance load

Temperature function (Model 065 & 063 only)

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

polarities. Slide-switch on defaults at degree C (Celsius). Press SELECT button

momentarily to select degree F (Fahrenheit). 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.

HOLD

The Hold feature freezes the display for later viewing. Press the HOLD button

momentarily to toggle to the Hold feature. The annunciator “ ” turns on.

MAX

The max feature compares and displays the measured maximum value as fast as

30ms with auto-ranging capability. It allows the meter to capture in-rush currents in

current functions. Press and hold the MAX button for 1 second or more to toggle to

the max feature. The annunciators “MAX” and “ ” turn on.

Relative Zero mode

Relative Zero mode allows the user to offset the meter consecutive measurements

with the displaying reading as the reference value. The display will now show readings

relative to the stored reference value. That is, display = reading - stored value. Press

the button momentarily to toggle to the relative zero mode. The annunciator “ ”

turns on. The meter also enters manual ranging mode where available. The

annunciator “ ” turns off.

Display Backlight (Model 065 & 062 only)

Press the SELECT button for 1 second or more to toggle the display backlight on and

off.

Auto Power Off (APO)

When the meter is on, the Auto Power Off (APO) feature will switch the meter to sleep

mode automatically after approximately 30 minutes of neither slide-switch nor push

button operations to extend battery life. To wake up the meter from APO, press any

push-button momentarily or set the slide-switch to the OFF position and then slide back

on again. Always set the slide-switch to the OFF position manually when the meter is

not in use.

5) MAINTENANCE

WARNING

To avoid electrical shock, disconnect the meter from any circuit, remove the test leads

from the input jacks and turn OFF the meter before opening the case. Do not operate

with open case.

Trouble Shooting

If the instrument fails to operate, check batteries and test leads etc., and replace as

necessary. Double check operating procedure as described in this user’s manual

If the instrument voltage-resistance input terminal has subjected to high voltage

transient (caused by lightning or switching surge to the system) by accident or

abnormal conditions of operation, the series fusible resistors will be blown off (become

high impedance) like fuses to protect the user and the instrument. Most measuring

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