TTI TTIDM1000VAR Manuel utilisateur

AUTO-RANGING MULTIMETER

PART NO: TTIDM1000VAR (..151475)

OPERATING

INSTRUCTIONS

2AUTO-RANGING MULTIMETER

CONTENTS

INTRODUCTION .........................................................................................................3

• Intended Use........................................................................................................................................3

• Product Contents ................................................................................................................................3

• Electrical Symbols...............................................................................................................................3

GENERAL SAFETY ......................................................................................................4

SAFETY INSTRUCTIONS............................................................................................4

• Safety Standards .................................................................................................................................4

• Guide For Safe Operation..................................................................................................................4

GENERAL SPECIFICATIONS......................................................................................6

EXTERNAL OVERVIEW ..............................................................................................7

• Function Dial Overview ....................................................................................................................7

• LCD Screen Overview .........................................................................................................................7

• Buttons Overview ...............................................................................................................................8

OPERATING INSTRUCTIONS ...................................................................................10

• AC/DC Voltage Measurement ..........................................................................................................10

• AC/DC Current Measurement ..........................................................................................................11

• Resistance Measurement ..................................................................................................................12

• Continuity Measurement ..................................................................................................................13

• Diode Measurement...........................................................................................................................14

• Capacitance Measurement ...............................................................................................................15

• Frequency Measurement ..................................................................................................................16

• Transistor hFE Measurement ............................................................................................................16

• EF Function...........................................................................................................................................17

• Data Mode............................................................................................................................................17

• Range Button.......................................................................................................................................18

• MAX/MIN Button.................................................................................................................................18

• Relative Value Mode...........................................................................................................................18

• Turning On The Backlight Display ...................................................................................................18

• The Blue Button...................................................................................................................................18

• Sleep Mode ..........................................................................................................................................18

TECHNICAL INDEX.....................................................................................................19

• Accuracy Specications .....................................................................................................................19

• DC Voltage Measurement..................................................................................................................19

• AC Voltage Measurement..................................................................................................................19

• DC Current Measurement..................................................................................................................20

• AC Current Measurement..................................................................................................................20

• Resistance Measurement ..................................................................................................................20

• Capacitance Measurement ...............................................................................................................21

• Frequency Measurement ..................................................................................................................21

• Diode Test.............................................................................................................................................21

• Continuity Test.....................................................................................................................................21

• Transistor hFE ......................................................................................................................................21

MAINTENANCE...........................................................................................................22

• General Maintenance.........................................................................................................................22

• Battery Replacement ........................................................................................................................22

• Fuse Replacement...............................................................................................................................23

WARRANTY INFORMATION .....................................................................................24

3OPERATING MANUAL

INTRODUCTION

TTIDM1000VAR is a professional auto ranging multimeter. The multimeter comes with the

following features:

AC/DC current measurement up to 10A

AC voltage measurement up to 750V

DC voltage measurement up to 1000V

hFE & EF function

Diode test

Data hold

Audible continuity

INTENDED USE

The multimeter is to be used only for electrical inspection within the specications the machine

is rated for. Failure to use the machine within the specications may result in serious injury or

death.

PRODUCT CONTENTS

Unpack ensure the following attachments are complete or intact.

1. Operating instruction manual

2. One pair of test leads

3. TTIDM1000VAR multimeter.

4. 9V Battery

5. Capacitor testing adaptor

ELECTRICAL SYMBOLS

AC (alternating current) Double insulation

DC (direct current) Grounding

AC or DC (alternating

current or direct current) Low battery indicator

Warning. Refer to the

operating manual

This symbol signies

product complies with

Australian requirements

4AUTO-RANGING MULTIMETER

GENERAL SAFETY

Prior to using the meter, read the product manual and ensure you have a solid understanding

of the machines functions and features.

WARNING

The warnings, cautions, and instructions discussed in this instruction

manual cannot cover all possible conditions or situations that could

occur. It must be understood by the operator that common sense and

caution are factors that cannot be built into this product, this must be

supplied by the operator.

SAFETY INSTRUCTIONS

SAFETY STANDARDS

This meter complies with the standard IEC61010: pollution degreed 2, over-voltage category

(CAT III 1000V, CAT IV 600V) and double insulation.

• CAT III: Distribution level, xed installation, with smaller transient over-voltage’s than CATIV.

• CAT IV: Primary supply level, overhead lines, cable systems etc.

In this manual, a WARNING identies conditions and actions that pose hazards to the user or

may damage the meter or the equipment under test.

A NOTE identies the information that user should pay attention too. International electrical

symbols used on the meter and in this operating manual are covered on page 5.

GUIDE FOR SAFE OPERATION

WARNING

To avoid possible electric shock or personal injury, and to avoid possible

damage to the meter or the equipment under test, adhere to the

following recommendations:

•Before using the meter inspect the case. Do not use the meter if it is damaged or the case

(or part of the case) is removed. If you can identify cracks or missing parts stop using the

meter immediately.

•Inspect the test leads for damaged insulation or exposed wires. Check test leads

continuity. Replace damaged test leads with leads that are suitable to the meter that meet

or exceed the safety requirements.

•Comply with local and national safety codes. Use personal protective equipment

(approved rubber gloves, face protection, and ame-resistant clothes) to prevent shock

and arc blast injury where hazardous live conductors are exposed.

•Do not apply more than the rated voltage, as marked on the meter, between the terminals

or between any terminal and grounding.

•Limit operation to the specied measurement category, voltage, or amperage ratings.

5OPERATING MANUAL

•Use Product-approved measurement category (CAT), voltage, and amperage rated

accessories (probes, test leads, and adapters) for all measurements.

•Use the correct terminals, function, and range for measurements.

•Before each use, verify meter operation by measuring a known voltage rst.

•Do not touch voltages >30 V ac rms, 42 V ac peak, or 60 V dc.

•Do not use the meter around explosive gas, vapor, or in damp or wet environments

•The function selector should be placed in the right position before using the unit, do

not change the range/function during measurement to avoid damage to the meter or

equipment under test.

•When the meter is working at an eective voltage over 60V in DC or 30V rms in AC, special

care should be taken as there is danger of electric shock.

•Do not touch the probes to a voltage source when the test leads are connected to the

current terminals.

•Connect the common test lead before the live test lead and remove the live test lead

before the common test lead.

•Do not use a current measurement as an indication that a circuit is safe to touch. A voltage

measurement is necessary to know if a circuit is hazardous.

•Do not use the HOLD function to measure unknown potentials. When HOLD is turned on,

the display does not change when a dierent potential is measured.

•When using the test leads, ensure leads are fully seated and keep your ngers behind the

nger guards.

•To avoid electric shock, injury, or damage to the Meter, disconnect circuit power and

discharge all high-voltage capacitors before testing resistance, continuity, diodes, or

capacitance.

•Before measuring current, check the meters fuses’and turn o the current to be tested

before connecting the meter to the circuit. After connecting the circuit reliably, turn the

current to be tested on.

•Replace the battery as soon as the battery indicator “ ” appears. With a low battery,

the meter may produce false readings that can lead to electric shock and personal injury.

•Do not alter the meter and use only as specied, or the protection supplied by the meter

can be compromised.

•Use a soft cloth and mild detergent should to clean the surface of the meter when

performing general maintenance. No abrasives or solvents should be used in cleaning;

this is to prevent the surface of the meter from corrosion, damage and accident.

•Turn the meter o when it is not in use. Remove the batteries if the meter is not used for

an extended period of time. If the batteries are not removed, battery leakage may result.

•Repair the meter before use if the battery leaks. Battery leakage may create a shock hazard

or damage the meter.

6AUTO-RANGING MULTIMETER

GENERAL SPECIFICATIONS

Maximum Voltage between any terminals and grounding: please refer to the technical index

for more details.

Fused Protection for µAMA Input Terminal:1A H 240V Φ6x25mm.

Fused Protection for 10A Input Terminal:10A H 240V Φ6x25mm.

Display: Maximum reading 4000 (frequency 9999), analogue bar graph 41 segments

Measurement Speed: Updates 2~3 times/second.

Range: Auto or Manual

Polarity Display: Auto

Overload indication: Display OL

Battery Deciency: Display “ ”

Temperature:

Operating: 0°C to +40°C (32°Ft to +104 °F).

Storage: -10°C to +50°C (14 °F to +122°F).

Relative Humidity:

≤75% @ 0°C ~ 30°C below

≤50% @ 30 - 40°C.

Battery Type: 9V

Under the inuence of radiated Radio-Frequency electromagnetic Field phenomenon, the

captioned model has a measurement error, it will be back to normal when the interference is

removed.

Safety/Compliances:

IEC61010 CAT III 1000V, CAT IV 600V over-voltage and double insulation standard.

EXTERNAL OVERVIEW

1. LCD Display

2. RANGE Button

3. HOLD/LIGHT button

4. Function selector

5. Input Terminals

6. MIN/MAX Button

7. REL Button

8. Hz% Button

9. BLUE Button

7OPERATING MANUAL

FUNCTIONAL DIAL OVERVIEW

POSITION DESCRIPTION

Hz%

VEF

OFF

hFE mA

mV AC and DC voltage measurement

ΩResistance measurement

Diode test

Continuity test

Capacitance test

Hz% Frequency and duty cycle test

hFE Transistor measurement

μ A DCA and ACA measurement

mA DCmA and ACmA measurement

10A 10A DC and AC measurement

EF Sensor test

OFF Shut-down

LCD SCREEN OVERVIEW

SYMBOL DESCRIPTION

Data hold

Sleep mode indicator

Indicates negative reading

AC Indicator for AC measurement

DC Indicator for DC measurement

AUTO Automatically selects the range with the best resolution

MANU Indicator for manual ranging mode

OL Input value is too large for the selected range

hFE Transistor testing indicator

Diode measurement

Continuity measurement (buzzer is on)

MAX/MIN Maximum and Minimum reading

8AUTO-RANGING MULTIMETER

Data output is in progress

Warning: To avoid false readings, which could lead to possible electric shock or

personal injury, replace the battery as soon as the battery indicator appears.

Sensor test is in progress

The REL is on to display the stored value minus the present value

Ω, kΩ, MΩ

• Ω: Ohm The unit of resistance.

• kΩ: kilohm. 1 x 10 or 1000 ohms

• MΩ: Megaohm. 1 x 10 or 1,000,000 ohms

mV, V • V: Volts. The unit of voltage

• mV: Millivolt. 1 x 10 or 0.001 volts

μA, mA, A

• µA : Microamp. 1x 10 or 0.000001 amperes

• mA: Milliamp. 1 x 10 or 0.001 amperes

• A: Amperes (amps). The unit of current

nF, μF, mF

• nF : Nanofarad. 1 x 10 or 0.000000001 farads

• µF : Microfarad. 1 x 10 or 0.000001 farads

• F: Farad. The unit of capacitance

C/F Temperature unit, Celsius/Fahrenheit

Hz, kHz, MHz

• Hz: Hertz. The unit of frequency in cycles/second

• kHz: Kilohertz. 1 x 10 or 1,000 hertz

• FMHz: Megahertz. 1 x 10 or1,000,000 hertz

βThe unit of transistor

BUTTONS OVERVIEW

BUTTON DESCRIPTION

HOLD

Press to enter or exit data hold mode.

LIGHT

Press and hold for 2 seconds to turn the display backlight on or o.

(BLUE)

Press to select the alternate feature

RANGE

• Press RANGE to enter the manual ranging mode; the meter beeps.

• Press RANGE to step through the ranges available for the selected

function; the meter beeps

• Press and hold RANGE for 2 seconds to return to auto ranging; the

meter beeps

MAX/MIN

Press to select the maximum and minimum value.

9OPERATING MANUAL

REL

• Press to enter REL mode.

• Press again to exit REL mode

Hz%

VEF

OFF

hFE

HOLD/LIGHT

RANGE

4000 Counts DMM

REL

MAX/MIN

hFE

mA µA

10A

MAX

FUSED

250V MAX

FUSED

250V MAX

1A MAX

EACH 15min MAX 10sec

COM

CAT IV 600V

CAT III 1000V

CAT II 1000V

CAT III 600V

VΩHz

MAXMIN EF VAF

MkΩ

βhFE

Autorange

0 10 20 30 40

10 AUTO-RANGING MULTIMETER

Hz%

VEF

OFF

hFE

HOLD/LIGHT

RANGE REL

MAX/MIN

hFE

µA

mA µA

10A

MAX

FUSED

250V MAX

FUSED

250V MAX

1A MAX

EACH 15min MAX 10sec

COM

CAT IV 600V

CAT III 1000V

CAT II 1000V

CAT III 600V

VΩHz

4000 Counts DMM

Select

Hz%

OPERATING INSTRUCTIONS

AC/DC VOLTAGE MEASUREMENT

WARNING

!To avoid electric shock or damage to the meter, do not attempt to

measure voltages higher than the rated voltage (AC 750V, DC 1000V).

When measuring high voltages, take extra care to avoid electric shock.

When connecting the test leads to the circuit or device, connect the common (COM) test lead

before connecting the live lead; when removing the test leads, remove the live lead before

removing the common test lead.

1. Connect the common test lead to COM terminal then insert the red test lead into the

VHz.

2. Switch the function selector to V; DC measurement is default or press BLUE button to

switch between DC and AC measurement mode.

3. Connect the test leads across with the object being measured. The measured value shows on

the display.

NOTE:

•In each range, the meter has an input impedance of 10M except mV range which

input impedance is 3000M. This loading eect can cause measurement errors in high

impedance circuits. If the circuit impedance is less than or equal to 10k, the error is

negligible (0.1% or less).

•When measuring mV, you must press RANGE manually to enter mV range.

•When voltage measurement has been completed, disconnect the connection between

the testing leads and the circuit under test, then remove the testing leads from the input

terminals of the meter.

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