PeakTech 2670 User manual

Operation manual

Digital Insulation Tester

PeakTech

2670

1. Operating safety precautions

This product complies with the requirements of the following

European Community Directives: 2004/108/EC

(Electromagnetic Compatibility) and 2006/95/EC (Low Voltage)

as amended by 2004/22/EC (CE-Marking).

Overvoltage category III 600V; pollution degree 2.

To ensure safe operation of the equipment and eliminate the

danger of serious injury due to short-circuits (arcing), the

following safety precautions must be observed.

Damages resulting from failure to observe these safety

precautions are exempt from any legal claims whatever.

* Do not use this instrument for high-energy industrial

installation measurement.

* Do not place the equipment on damp or wet surfaces.

* Do not exceed the maximum permissible input ratings

(danger of serious injury and/or destruction of the

equipment).

* The meter is designed to withstand the stated max voltages.

If it is not possible to exclude without that impulses,

transients, disturbance or for other reasons, these voltages

are exceeded a suitable presale (10:1) must be used.

* Disconnect test leads or probe from the measuring circuit

before switching modes or functions.

* To avoid electric shock, disconnect power to the unit under

test and discharge all capacitors before taking any

resistance measurements.

* Check test leads and probes for faulty insulation or bare

wires before connection to the equipment.

-1-

* Please use only 4mm-safety test leads to ensure

immaculate function.

* To avoid electric shock, do not operate this product in wet or

damp conditions. Conduct measuring works only in dry

clothing and rubber shoes, i. e. on isolating mats.

* Never touch the tips of the test leads or probe.

* Comply with the warning labels and other info on the

equipment.

* The measurement instrument is not to be to operated

unattended.

* Always start with the highest measuring range when

measuring unknown values.

* Do not subject the equipment to direct sunlight or extreme

temperatures, humidity or dampness.

* Do not subject the equipment to shocks or strong vibrations.

* Do not operate the equipment near strong magnetic fields

(motors, transformers etc.).

* Keep hot soldering irons or guns away from the equipment.

* Allow the equipment to stabilize at room temperature before

taking up measurement (important for exact measurements).

* Do not turn the rotary function switch during voltage

measurement, otherwise the meter could be damaged.

* Use caution when working with voltages above 35V DC or

25V AC. These Voltages pose shock hazard.

* Replace the battery as soon as the battery indicator “BAT”

appears. With a low battery, the meter might produce false

reading that can lead to electric shock and personal injury.

* Fetch out the battery when the meter will not be used for

long period.

* Periodically wipe the cabinet with a damp cloth and mid

detergent. Do not use abrasives or solvents.

-2-

* The meter is suitable for indoor use only.

* Do not operate the meter before the cabinet has been

closed and screwed safely as terminal can carry voltage.

* Do not store the meter in a place of explosive, inflammable

substances.

* Do not modify the equipment in any way.

* Do not place the equipment face-down on any table or work

bench to prevent damaging the controls at the front.

* Opening the equipment and service- and repair work must

only be performed by qualified service personnel.

* -Measuring instruments don’t belong to children hands.-

Cleaning the cabinet

Clean only with a damp, soft cloth and a commercially

available mild household cleanser. Ensure that no water gets

inside the equipment to prevent possible shorts and damage to

the equipment.

-3-

CAUTION!

Note on using the supplied safety test leads according the

IEC / EN 61010-031:2008:

Measurements in the field of overvoltage category CAT I or

CAT II can be performed with test leads without sleeves with a

maximum of up to 18mm long, touchable metallic probe,

whereas for measurements in the field of overvoltage category

CAT III or CAT IV test leads with put on sleeves, printed with

CAT III and CAT IV must be used, and therefore the touchable

and conductive part of the probes have only max. 4 mm of

length.

-4-

2. Instrument Layout

1. OUTPUT Terminal

2. LCD Display

3. External Voltage Indicator

4. POWER Switch

5. TEST Button

6. POWER Indicator

7. FUNCTION Switch

8. ΩNull Adjust

-5-

3. Introduction

NOTE:

This meter has been designed and tested according to safety

requirements for electronic measuring apparatus, EN 61010,

1:2001.

Follow all warnings to ensure safe operation.

WARNING!

Read “Safety Notes” before using the meter.

4. Safety Notes

1. Read the following safety information carefully before

attempting to operate or service the meter.

2. Use the meter only as specified in this manual, otherwise

the protection provided by the meter may be impaired.

3. Rated environmental conditions:

* Indoor use

* Installation Category III

* Pollution Degree 2

* Altitude up to 2000 Meter

* Relative Humidity 80% max.

* Ambient Temperature 0 … 40°C

-6-

4. Observe the international electrical symbols listed below:

Meter is protected throughout by double insulation

or reinforced insulation.

Warning! Risk of electric shock.

Caution! Refer to this manual before using the

meter.

Alternating current.

5. Features

* 3 ½ digit Insulation Tester

* 68 x 34 mm large LCD display

* three Insulation test voltage: 250V / 500V / 1000V

* external voltage warning indication

* automatic circuit discharge

* test Insulation at rated voltage into a 1mA load

* 200mA continuity short circuit test current

* AC voltage measurement

* fuse protection

* meet EN 61010 CAT III

-7-

6. Measuring Methods

6.1. Operation caution

Observe all safety precautions when the FUNCTION switch is

set to either the 200 MΩ(250, 500 V) or the 2000MΩ(1000V)

position. Connect the meter test leads to the circuit under test

before operating the TEST switch. Do not touch the clip ends

of the test leads when the TEST switch is pressed. Some

electrical equipment, especially cables, may retain an electrical

charge when disconnected from the line. It is good practice to

discharge such equipment with grounding straps, or other

suitable devices, before touching or making connections. The

meter automatically discharge the test circuits when the spring

loaded TEST switch is released.

6.2. Important

Remove all power to the circuit under test when making

resistance measurements. If any voltage is present in the test

circuit the red on the meter scale plate will light. Immediately

disconnect test leads and turn off power to test circuit.

6.2.1. Function switch

The FUNCTION switch is used to select the range, or function

desired.

6.2.2. Test switch

The TEST switch is normally OFF spring loaded momentary

action switch which “turn on “ the meter is momentary action is

a safety feature. The test voltage generated by the meter is

automatically discharged when the TEST switch is released.

-8-

6.2.3. Before testing always check the following

The “battery low” indicator is not shoving. There is no visual

damage to the test or test leads. Test Lead Continuity. Select

the continuity function and 20Ωrange. Short the test leads

together. An overrange (“1”) indication will mean that the leads

are faulty or instrument fuse is blown. (see fuse replacement).

6.2.4. Insulation Resistance Testing

WARNING!

Insulation test should be conducted on circuits that are de-

energised. Ensure circuits are not live before commencing

testing.

* Select the required test voltage (250 V, 500 V or 1000 V) by

rotating the function switch.

* Attach the test leads to the instrument and to the circuit to

be tested (see connect diagram). If the “LIVE CIRCUIT” is lit,

do not press the test button and disconnect the instrument

form the circuit. The circuit is live and should be de-

energised before further testing.

* Press the test button. The value of insulation resistance in

megohms will be displayed.

Connect Diagram

-9-

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