TIF TIF900 Bedienungsanleitung

Copyright Advanced Test Products 2011 Release EN 11

TIF900

Insulation Tester

User’s manual

Copyright Advanced Test Products 2011 Release EN 11

CONTENTS

1. SAFETY PRECAUTIONS AND PROCEDURES .............................................................................................. 2

1.1. Preliminary instructions............................................................................................................................ 2

1.2. During use ............................................................................................................................................... 3

1.3. After use .................................................................................................................................................. 3

1.4. Overvoltage categories - definitions ........................................................................................................ 3

2. GENERAL DESCRIPTION ............................................................................................................................... 4

2.1. Working.................................................................................................................................................... 4

3. PREPARATION FOR USE ............................................................................................................................... 4

3.1. Preliminary checks................................................................................................................................... 4

3.2. Power supply ........................................................................................................................................... 4

3.3. Calibration................................................................................................................................................ 4

3.4. Storage .................................................................................................................................................... 4

4. OPERATING INSTRUCTIONS......................................................................................................................... 5

4.1. Instrument - Description........................................................................................................................... 5

4.1.1. Turning on ................................................................................................................................................... 5

4.1.2. Auto power off ............................................................................................................................................. 5

4.1.3. Backlight...................................................................................................................................................... 5

4.2. : DC voltage measurement .................................................................................................................. 6

4.2.1. Anomalous cases which may occur during measurements ...................................................................... 6

4.3. : AC voltage measurement................................................................................................................... 7

4.3.1. Anomalous cases which may occur during measurements ...................................................................... 7

4.4. : Resistance measurement and continuity test................................................................................. 8

4.4.1. "ZERO" mode.............................................................................................................................................. 8

4.4.2. Anomalous cases which may occur during measurement .................................................................. 9

4.5. Lo: Continuity test on earth, protective and equalizing potential conductors....................................... 10

4.5.1. "ZERO" mode............................................................................................................................................ 10

4.5.2. Anomalous cases which may occur during Lomeasurement ................................................................. 11

4.6. M: Insulation resistance measurement test voltage 250V, 500V, 1000V DC ..................................... 12

4.6.1. Measurement time setting mode ............................................................................................................... 13

4.6.2. Anomalous cases which may occur during Mtests ................................................................................ 13

5. MAINTENANCE.............................................................................................................................................. 14

5.1. General .................................................................................................................................................. 14

5.2. Battery replacement............................................................................................................................... 14

5.3. Cleaning................................................................................................................................................. 14

5.4. End of life............................................................................................................................................... 14

6. TECHNICAL SPECIFICATIONS..................................................................................................................... 15

6.1. Characteristics ....................................................................................................................................... 15

6.1.1. Electrical.................................................................................................................................................... 16

6.1.2. Safety standards ....................................................................................................................................... 16

6.1.3. General specifications ............................................................................................................................... 16

6.2. ENVIRONMENT .................................................................................................................................... 16

6.2.1. Environmental conditions .......................................................................................................................... 16

6.2.2. EMC .......................................................................................................................................................... 16

6.3. ACCESSORIES..................................................................................................................................... 16

6.3.1. Standard accessories ................................................................................................................................ 16

7. SERVICE ........................................................................................................................................................ 17

7.1. Warranty conditions ............................................................................................................................... 17

7.2. After-sale service ................................................................................................................................... 17

TIF900

EN - 2

1. SAFETY PRECAUTIONS AND PROCEDURES

This instrument complies with safety Standards EN61557 and EN61010-1 related to

electronic measuring instruments.

CAUTION

For your own safety and to avoid damaging the instrument follow the

procedures described in this instruction manual and read carefully all notes

preceded by this symbol .

When taking measurements:

avoid doing that in humid or wet places - make sure that humidity is within the limits

indicated in section “environmental conditions”.

avoid doing that in rooms where explosive gas, combustible gas, steam or excessive

dust is present.

keep you insulated from the object under test.

do not touch exposed metal parts such as test lead ends, sockets, fixing objects,

circuits etc.

avoid doing that if you notice anomalous conditions such as breakages, deformations,

fractures, leakages of battery liquid, blind display etc.

be particularly careful when measuring voltages exceeding 25V in particular places

(building yards, swimming pools, etc.) and 50V in ordinary places to avoid risks of

electrical shocks.

The following symbols are used:

CAUTION - refer to the instruction manual - an improper use may damage the

instrument or its components

DC voltage

AC voltage

1.1. PRELIMINARY INSTRUCTIONS

This instrument has been designed for use in environments of pollution degree 2.

It can be used for tests on electrical installations of overvoltage category III 265V and

550V maximum rated interlinked voltage (and to earth).

You are recommended to respect the usual safety regulations aimed at protecting you

against dangerous currents and protecting the instrument against improper use.

Only the original test leads supplied along with the instrument guarantee compliance

with the safety Standards in force. They must be in a good conditions and, if

necessary, replaced with identical ones.

Do not test nor connect to any circuit exceeding the specified overload protection.

Do not take measurements under environmental conditions exceeding the limits

indicated in this manual.

Make sure that batteries are correctly installed.

Before connecting the test probes to the installation make sure that the right function is

chosen.

TIF900

EN - 3

1.2. DURING USE

CAUTION

An improper use may damage the instrument and/or its components or injure

the operator.

Before selecting any function, first disconnect the test leads from the circuit under test.

When the instrument is connected to circuits never touch any unused terminal.

Do not measure resistance in presence of external voltages; although the instrument is

protected, an excessive voltage may cause malfunctioning.

CAUTION

If the “low battery” symbol is displayed during use interrupt testing and replace

batteries following the procedure described in paragraph 5.2.

1.3. AFTER USE

Disconnect the test leads from the circuit under test and switch off the instrument.

If you expect not to use the instrument for a long period remove batteries.

1.4. OVERVOLTAGE CATEGORIES - DEFINITIONS

Standard EN61010-1 (Safety requirements for electrical equipment for measurement, control

and laboratory use, Part 1: General requirements) defines what a measurement category

(usually called “overvoltage category”) is. At paragraph 6.7.4: Measuring circuits it says:

(OMISSIS)

Circuits are divided into the following measurement categories:

Measurement category IV is for measurements performed at the source of the

low-voltage installation.

Examples are electricity meters and measurements on primary overcurrent

protection devices and ripple control units.

Measurement category III is for measurements performed in the building

installation.

Examples are measurements on distribution boards, circuit breakers, wiring,

including cables, bus-bars, junction boxes, switches, socket-outlets in the fixed

installation, and equipment for industrial use and some other equipment, for

example, stationary motors with permanent connection to fixed installation.

Measurement category II is for measurements performed on circuits directly

connected to the low voltage installation.

Examples are measurements on household appliances, portable tools and similar

equipment.

Measurement category I is for measurements performed on circuits not directly

connected to MAINS.

Examples are measurements on circuits not derived from MAINS, and specially

protected (internal) MAINS-derived circuits. In the latter case, transient stresses are

variable; for that reason, the norm requires that the transient withstand capability of

the equipment is made known to the user.

TIF900

EN - 4

2. GENERAL DESCRIPTION

Dear Customer, the instrument you have purchased, whether used according to the

instructions given in this manual, will grant you accurate and reliable measurements.

Thanks to a development of newest conception assuring double insulation and overvoltage

category III you will enjoy the highest safety.

2.1. WORKING

1000V - M: insulation resistance measurement with test DC voltage of 1000V

500V - M: insulation resistance measurement with test DC voltage of 500V

250V - M: insulation resistance measurement with test DC voltage of 250V

Lo: continuity test on earth, protective and potential equalising conductors with a

test current higher than 200mA and open voltage ranging from 4V to 24V

: measurement of resistance / continuity with sound signal

: AC voltage measurement

: DC voltage measurement

3. PREPARATION FOR USE

3.1. PRELIMINARY CHECKS

This instrument was checked both mechanically and electrically prior to shipment. All

possible cares and precautions were taken to let you receive the instrument in perfect

conditions. Notwithstanding we suggest you to check it rapidly (eventual damages may

have occurred during transport – if so please contact the local distributor from whom you

bought the item). Make sure that all standard accessories mentioned in paragraph 6.3. are

included. Should you have to return back the instrument for any reason please follow the

instructions mentioned in paragraph 7.

3.2. POWER SUPPLY

The instrument is powered by batteries (refer to paragraph 6.3 for details on model, no.

and battery life). When batteries are low, a low battery indication is displayed. To

replace/insert batteries follow the instructions indicated in paragraph 5.2.

3.3. CALIBRATION

The instrument complies with the technical specifications contained in this manual and

such compliance is guaranteed for 1 year. Annual recalibration is recommended.

3.4. STORAGE

After a period of storage in extreme environmental conditions exceeding the limits

mentioned in paragraph 6.2.1 let the instrument resume normal measuring conditions

before using it.

TIF900

EN - 5

4. OPERATING INSTRUCTIONS

4.1. INSTRUMENT - DESCRIPTION

LEGEND:

1. Inputs

2. Inputs

3. Display

4. ON/OFF key

5. LOCK key

6. ZERO and backlight key

7. GO key

8. FUNC HOLD key

Fig. 1: Instrument description

key to switch on/off the instrument

LOCK key to select the continuous mode measurement and to set the

insulation measurement time

ZERO key to calibrate the cables being used

key to on and off the backlight

GO key to start a measurement

ARROW keys to select measurements

4.1.1. Turning on

When the instrument is turned on all display segments are lit for just a while. Then the

instrument is ready for DC voltage measurement.

4.1.2. Auto power off

The instrument automatically turns off 15 minutes after last pressure of keys. To resume

operation turn on the instrument again. When the instrument must be used for long voltage

measurements, the operator may need to disable the auto power off function. In order to

do so press the LOCK key. On next switch on autopower off will be automatically restored.

On the instrument’s LCD the symbol is displayed only when auto power off is active.

4.1.3. Backlight

Press ZERO key to activate backlight function in any position of selector. This function is

automatically off after about 30s or pressing again ZERO key.

TIF900

EN - 6

4.2. : DC VOLTAGE MEASUREMENT

CAUTION

The maximum input voltage is 550+10%V. Don’t try to measure higher

voltages to avoid risks of electrical shocks or serious damages to the

instrument.

Fig. 2: Connection of the instrument’s terminals during test

1. Turn on the instrument

2. Press the arrow keys to select

3. Insert the black and red cables in the corresponding input terminals of the instrument

4. If necessary, insert the croco clips on the test probes

5. Connect the cables to the desired points of the circuit under test as shown in Fig. 2. The

voltage value will be displayed

6. DC voltage value

Example of display of DC voltage value

4.2.1. Anomalous cases which may occur during measurements

The maximum input voltage is

550+10%V.

If the detected voltage value exceeds

605V RMS the instrument displays the

screen beside.

Disconnect immediately the instrument

from the circuit under test to avoid

electrical shocks and damages to the

instrument.

TIF900

EN - 7

4.3. : AC VOLTAGE MEASUREMENT

CAUTION

The maximum input voltage is 550+10%V. Don’t try to measure higher

voltages to avoid risks of electrical shocks or serious damages to the

instrument.

Fig. 3: Connection of the instrument’s terminals during test

1. Turn on the instrument

2. Press the arrow keys to select

3. Insert the black and red cables in the corresponding input terminals of the instrument

4. If necessary, insert the croco clips on the test probes

5. Connect the cables to the desired points of the circuit under test as shown in Fig. 3. The

voltage value will be displayed

6. AC voltage value

Example of display of AC voltage value

4.3.1. Anomalous cases which may occur during measurements

The maximum input voltage is

550+10%V.

If the detected voltage value exceeds

605V RMS the instrument displays the

screen beside.

Disconnect immediately the instrument

from the circuit under test to avoid

electrical shocks and damages to the

instrument.

TIF900

EN - 8

4.4. : RESISTANCE MEASUREMENT AND CONTINUITY TEST

CAUTION

Before taking resistance measurements make sure that the circuit under test is

not powered and that eventual condensers are discharged. The measured

value is out of accuracy if an input voltage is present.

Fig. 4: Connection of the instrument’s terminals during test

1. Turn on the instrument

2. Press the arrow keys to select 

3. Insert the black and red cables in the corresponding input terminals of the instrument

Resistance value

4. If the measuring cables being used have

not been calibrated, first calibrate them

as described in paragraph 4.4.1

5. Position the test probes on the desired

points of the circuit under test (see Fig. 4)

Press GO to perform the

measurement

7. Example of display of resistance value. If such value is lower than 30the instrument

emits an acoustic signal

8. +

Press LOCK and GO together to perform the measurement in

continuous mode, the symbol LOCK is displayed. Press GO

another time to stop the continuous mode measurement

9. In lock mode the instrument emits an acoustic signal and the auto power off is disabled

4.4.1. "ZERO" mode

1. Any addition or replacement of cables, extensions and croco clips nullify the previous

calibration and make necessary a new calibration before performing further

measurements. Therefore the instrument must be calibrated in the same conditions at

which it will operate during measurements

2. Short-circuit the cable ends with each other as shown in Fig. 5 making sure that the

metallic parts of test probes and crocodiles are in good touch

TIF900

EN - 9

Fig. 5: Connection of the instrument’s terminals during calibration procedure

Press GO to perform the measurement

MODE

PEAK

Press and hold ZERO key for 2s. The instrument resets the resistance of the

cables, the symbol ZERO is displayed

5. The measured value is stored by the instrument and used as offset (which means it’s

deducted from all continuity tests performed) until a new pressing of the ZERO key for

2s that voids the calibration.

6. Each time the instrument is switched off or changing position of selector, the calibrated

value is lost

4.4.2. Anomalous cases which may occur during measurement

1. The full scale of the instrument is 199.9.

If the resistance value is higher than this

value, or in case of open or interrupted

probes, the instrument displays the screen

beside.

2. If the voltage present at the terminals is

higher than 24V the instrument does not

perform the test. The screen beside is

displayed

Input voltage

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