LTR MTI 801 Bedienungsanleitung

WARNING

Do not expose the meter to rain or moisture in order to reduce the risk of

fire or electric shock.

Observe the proper safety precautions when working with voltages above

30 V ac rms, 42 V ac peak, or 60 V dc. These voltage levels pose a potential

shockhazardtotheuser.

Inspect test leads, connectors and probes for damaged insulation or exposed

metal before using the meter.

Check the test leads for continuity before use. Do not use if the readings

are high or noisy.

Keep your fingers behind the finger guards of the test leads during

measurement.

Disconnect the test leads from the points before changing functions.

Disconnect circuit power and discharge all high voltage capacitors before

testing resistance.

Always use the proper terminals, switch position, and range for measurements

before connecting the meter to circuit under test.

When servicing the meter, use only specified replacement parts.

Remove test leads from the meter before you open the battery cover.

Donotoperatethemeterwiththebattery cover removed orloosened.

Toavoidfalsereadings,whichcouldresultinpossibleelectricshockorpersonal

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

Avoid working alone.

CAUTION

Disconnect the test leads from the points before changing functions.

Disconnect circuit power and discharge all high voltage capacitors before

testing resistance, or continuity.

Always set the meter to the highest range and work downward for an

unknown value in the manual ranging mode.

INTERNATIONAL ELECTRICAL SYMBOLS

Insulation Resistance Tester

Safety Information

MTI 801 Insulation Resistance Tester is a handheld and battery operated,

Average RMS insulation multimeter capable of testing Insulation, AC or DC

Voltages, Resistance and Continuity.

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 not used in a manner specified in this manual, the

protection provid ed by the meter may be impaired.

This meter complies with UL 61010-1 : 3

Edition, CAN / CSA - C22.2

No. 61010-1-12: 3

Edition, IEC /EN 61010-1: 2010; Overload protection

CAT IV 600V and CAT III1000V.

TERMS IN THIS MANUAL

Warning

identifies conditions and actions that could pose serious hazards

to the user. A

Caution

identifies conditions and actions that could cause

damage the meter or the equipment under test.

SAFETY INFORMATION

OPERATING INSTRUCTIONS

MTI 801

(041710_1)

LOCK

TEST

If the resistance of the device is below 40 Ω, there

is a continuity beep tone.

If the resistance of the device is more than 40 Ω,

there is no beep tone.

This is useful for checking wiring connections and

operation of switches.

CAUTION

Turn off power and discharge all capacitors on

circuit to be tested before attempting incircuit

resistance measurements.

Accurate measurement is not possible if

external or residual voltage is present.

INSULATION TEST

CAUTION

Turn off power and discharge all capacitors on circuit to be

tested before attempting Insulation test.

Insert test leads into V and COM input terminals.

Set the rotary selector to the desired test voltage position.

Connect the lead probes tothe circuit undertest.

The display shows until you press and a valid

insulation resistance reading is obtained.

Press and hold TEST button to start the test.

The LCD shows (high voltage warning) symbol along with

the resistance in MΩor GΩ.

The symbol will be displayed on the LCD until the

TEST button is released. The meter displays symbol along

with the maximum resistance for the range when the resistance

is higher than the maximum display range.

NOTE : When the button is pressed before the TEST

button, the test remains active until the

button is pressed again.

LOCK

Release the button before disconnecting the probes

from the circuit under test. Then, the circuit will automatically be

discharged through the meter.

RANGE AUTOHOLD LOCK TEST

SEL

100V

250V

500V

1000V

COM

CATI V

00V

INSULATION

AT III

1000V

SEL

OPERATING INSTRUCTIONS

AC/DC Voltage

Set the rotary selector to V

position.

The meter defaults at AC.

Press button momentarily

to toggle between AC and

DC.

Insert red lead into V terminal

and black lead into COM

terminal.

Connect black probe to

ground and red probe to the

side of the circuit closest to

the power source.

DC milli-Voltage

Set the rotary selector to mV

position.

Insert red lead into V terminal

and black lead into COM

terminal.

Connect black probe to

negative side of the circuit

and red probe to positive

side of the circuit coming

from the power source.

Resistance

Set the rotary selector to Ω

position. is displayed.

The meter defaults at

Ω

Press

button momentarily

to select .

Insert black lead into COM

terminal and red lead into

Ω

terminal.

Touchtheprobesacrossthe

resistance or circuit to be

tested.

RANGE AUTOHOLD LOCK TEST

SEL

100V

250V

500V

1000V

COM

CATI V

00V

INSULATIO

AT III

1000V

RANGE AUTOHOLD LOCK TEST

SEL

100V

250V

500V

1000V

COM

CATI V

00V

INSULATIO

AT III

1000V

RANGE AUTOHOLD LOCK TEST

SEL

100V

250V

500V

1000V

COM

CATI V

00V

INSULATION

AT III

1000V

MkG

DISPLAY AND INDICATORS

21 20

10.

11.

12.

13.

14.

15.

Indicates autoranging.

Indicates direct current or alternating current is

selected.

Indicates Negative Polarity.

Indicates an out of range value in the Insulation

test mode.

High voltage symbol.

Analog bar-graph with scale

(Available in the Insulation mode only).

16.

17.

18.

19.mV...

20.

21.

Low battery alert.

Replace the battery as soon as possible to

ensure accuracy.

annunciator indicates the HOLD function is

selected andannunciators indicate the

Autohold function is selected.

Indicates the Continuity test function is selected.

Indicates the function being selected and / or the

appropriate measurement units.

Indicates an insulation test is performed.

Indicates an insulation test is locked on.

SEL

CONTROL AND INDICATORS

1. LCD display LCD display with 28 segment bar-graph.

4. Selector

Ω

6. COM

Press this button to initiate an insulation test in the

Insulation test mode.

Pressthisbuttonto enterTestlockmodeintheInsulation

testmode. is displayed on LCD in this mode.

Press again to release the lock.

Turn the power On or Off and select a test function.

Input terminal for insulation test, voltage and

resistance functions.

Common input terminal for all functions.

Switch between AC and DC.

Switch between

Ω

and .

Press this buttonfor 2 seconds to enable/ disablelights.

The backlightautomatically turns off after 2 minutes.

Press this button repeatedly to cycle through manual

ranges.

Press this button for 2 seconds to return to the auto

ranging mode. is displayed on LCD only

during auto ranging mode.

Press this button to activate HOLD for capturing

the current displayed value. Press this button again

to activate AUTO HOLD for automatically capturing

a stable reading, beeping to acknowledge,and

holding it on the LCD. Press again to return to normal

operation.

LOCK

TEST

AUTOHOLD

RANGE

ELECTRIC SPECIFICATIONS

AC Voltage

Range Resolution Accuracy

(50 Hz ~ 60 Hz)

Overload

Protection

400.0 mV

0.1 mV

(1.0 % + 8 dgts) 1000 Vrms

4.000 V

0.001 V

40.00 V

0.01 V

400.0 V

0.1 V

1000 V

400.0 mV

4.000 V

40.00 V

400.0 V

1000 V

1 V

Input Impedance (nominal) : 10 MΩ, < 100pF

Response : Average RMS

DC Voltage

Input Impedance (nominal) : 10 MΩ, < 100pF

Resistance

Range Resolution Accuracy

Overload

Protection

400.0 Ω

0.1 Ω

(1.0 % + 5 dgts) 400 Vrms

4.000 kΩ

0.001 KΩ

40.00 kΩ

0.01 KΩ

400.0 kΩ

0.1 KΩ

4.000 MΩ

0.001 MΩ

40.00 MΩ

0.01 MΩ

(1.5%+10dgts)

Input Impedance (nominal) : 10 MΩ, < 100pF

Continuity Test

Insulation Test

Short-Circuit Test Current (nominal) : 0.5 mA

Auto Discharge : Discharge time <1 sec. for C

≤

1 uF

Minimum Measurement : 0.1 MΩ

Range Resolution Accuracy

Overload

Protection

0.1 mV

(0.8%+10dgts

)

1000 Vrms

0.001 V

0.01 V

0.1 V

1 V

Overload Protecti

Open Circuit Voltage

Threshold (Appx.)

400 Vrms

< 0.44 V

< 40 Ω

Output

Voltage

Display

Range Resolution

Test Current

Accuracy

100 V

0.01 ~ 20.00 MΩ

0.01 MΩ

0.5mA

@ 100 KΩ(3 % + 5)

20.0 ~ 100.0 MΩ

0.1 MΩ

250 V

0.01 ~ 20.00 MΩ

0.01 MΩ

0.5mA

@ 250 KΩ(3 % + 5)

20.0 ~ 200.0 MΩ

0.1 MΩ

500V

0.01 ~ 20.00 MΩ

0.01 MΩ

0.5mA

@ 500 KΩ

(3 % + 5)

20.0 ~ 200.0 MΩ

0.1 MΩ

200 ~ 500 MΩ

1 MΩ

(5 % + 5)

1000 V

0.01 ~ 20.00 MΩ

0.01 MΩ

0.5mA

@ 1 MΩ

(3 % + 5)

20.0 ~ 200.0 MΩ

0.1 MΩ

200 ~ 2000 MΩ

1 MΩ

(5 % + 5)

Sleep Mode

The meter automatically enters “Sleep mode” after 30 minutes

non -use. The meter comes out of the Sleep mode when a button

is pressed.

The Sleep mode is always disabled in the Hold or Autohold mode

and when performing an insulation test.

Maintenance

Turn instrument off and disconnect test leads.

Clean the instrument by using a damp cloth. Do not use abrasive

cleaners or solvents.

GENERAL SPECIFICATIONS

Operating Temperature

Storage Temperature

Temperature Coefficient

Relative Humidity

Altitude

Safety

: 0 °C to 50 °C (32 °F to 122 °F)

at <75% R.H.

: -20 °C to 60 °C (-4 °F to 140 °F)

at <80% R.H.

: nominal 0.15 x (specified accuracy)

/ °C @ <18°C or >28°C (<64 °F or >82 °F),

or otherwise specified

: 0% to 95% @ 10 °C to 30 °C

(50 °F to 86 °F)

0% to 75% @ 30 °C to 40 °C

(86 °F to 104 °F)

0% to 40% @ 40 °C to 50 °C

(104 °F to 122 °F)

: Operating – up to 2000m

Storage – 10000m

: Complies with UL61010-1: 3rd Edition,

Overload protection

Certifications

Battery

CAN / CSA-C22.2 No. 61010-1-12 :

3rd Edition, IEC / EN 61010-1 : 2010 ;

Overload protaction CAT IV 600V and

CAT III 1000V

: CAT IV 600V and CAT III 1000V

: ETL & cETL and CE

: 6 x AAA batteries

(NEDA 24A or IEC LR03)

Battery Life : Meter use – 1000 hours

Insulation Test use – Meter can perform

at least 1000 tests with alkaline

batteries at room temperature.

These standard tests of 1000 V

into 1 MΩwith a duty cycle of 5

seconds on and 25 seconds off.

Pollution Degree

Dimensions

: 2

: 178mm x 89mm x 48mm

Weight : 425g

Inland: +49 (0)7121/908-101

Export: +49 (0)7121/908-204

Fax: +49 (0)7121/908-200

Mail: [email protected]

Autotestgeräte LEITENBERGER GmbH

Bahnhofstraße 33

72138 Kirchentellinsfurt

Germany

www.autotestgeraete.de

Subject to technical alteration. 02/2017

400.0 mV

4.000 V

40.00 V

400.0 V

1000 V

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