Perfect Prime IT365 Bedienungsanleitung
INSULATION TESTER
IT365
Instruction Manual
Contents
P. 1
1. Safety Information
2. Description of the Instrument
2.1. Front and Rear
2.2. Rotary Switch
2.3. Button and Indicators
2.4. LCD Display
3. Specifications
4. Making Measurements
4.1. Measuring Volts
4.2. Measuring Ohms / Continuity
4.3. Measuring Low Resistance
4.4.Measuring Insulation Resistance
4.5. Measuring PI / DAR
5. Testing Fuse
6. Replacing Batteries & Fuse
7. Maintenance & Cleaning
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............................................................. 5
.............................................................. 6
................................................ 7 - 8
................................................................. 9
......................................................... 10 - 13
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.......................................... 14
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1. Safety Information
P. 2
• Read all safety information carefully before attempting to operate or service
the meter.
• Do not use the Tester around explosive gas, vapor, or in damp or wet
environments.
• Keep ngers behind the nger guards on the probes.
• The circuit under test must be de-energized and isolated before connections
are made except for voltage measurement.
• Circuit connections must not be touched during a test.
• After insulation test, capacitive circuits must be allowed to discharge before
disconnecting the test leads.
• To avoid damage to the instrument, do not apply signals which exceed the
maximum limits shown in the technical specication tables.
• Do not use the meter or test leads if they look damaged. Use extreme caution
when working around bare conductors or bus bars.
• Use the meter only as specied in this manual; otherwise, the protection
provided by the meter may be impaired.
• Caution when working with voltages above 30 Vac rms, 42 Vac peak, or 60 Vdc.
Such voltages pose a shock hazard.
• Before taking resistance measurements or testing continuity, disconnect the
main power supply and all loads from the circuit.
• Remove all probes, test leads, and accessories before the battery door is
opened.
• Replace the batteries when the low battery indicator shows to prevent
incorrect measurements. False readings can lead to electric shock and injury.
• Replace all batteries with fresh batteries of the same manufacturer and type to
prevent battery leakage.
• Remove the batteries if the Tester is not used for an extended period of time,
or if stored in temperatures above 50 °C. If the batteries are not removed,
battery leakage may result.
• Disconnect the test leads from the test points before changing the position
of the function rotary switch.
• Never connect a source of voltage with the function rotary switch in Ω, LoΩ,
50V, 100V, 250V, 500V, 1000V position.
1. Safety Information
P. 3
CAUTION!
• Installation categories CAT IV 600 V
• Pollution degree 2
• Altitude up to 2000 meters
• Indoors use only
• Relatively humidity 80% max. (Noncondensing)
• Operation temperature 0〜40°C
Environment conditions:
Symbols:
Symbol Description
WARNING. RISK OF DANGER. Attention refer to operation
Instructions.
WARNING. HAZARDOUS VOLTAGE. Risk of electric shock
Double Insulated
Fuse
Battery
Earth
1. Safety Information
P. 4
Symbol Description
WARNING. Do not use in distribution systems with
voltages > 660 V.
Conform to European Union directives.
Do not discard this product or throw away.
Measurement Category IV is applicable to test and measuring
circuits connected at the source of the building’s low-voltage
MAINS installation.
Hazardous voltage warning:
When the Tester detects a voltage > 30 V in insulation test, > 2 V in Low Ω, or a
voltage >30V during voltage measurement function, the red LED will be on
and the symbol on LCD will display.
P. 5
2.1. Front and Rear:
2. Description of the Instrument
LCD display
TEST button
Warring light
PI / DAR function select button
Blue button
Backlight button
LOCK button
1
2
3
4
5
6
7
Measurement function
selection switch
COM input terminal
Positive input terminal
Battery cabinet
Foldable stand
Holster
8
9
10
11
12
13
2. Description of the Instrument
P. 6
2.2. Rotary Switch:
Rotary switch selections:
Switch Position Measurement Function
Measuring low resistance from 0.01 to 60.0Ω
(Open voltage ≥ 4V, short current ≥ 200mA)
Measuring resistance or continuity
Measuring AC or DC voltage
Turn o the tester
Perform insulation tests with 50, 100, 250, 500, 1000 V
test voltage.
2. Description of the Instrument
P. 7
2.3. Button and Indicators:
Button / Indicator Description
Cong the Tester for a polarization index or dielectric
absorption ratio test.
Press the blue button to select alternate measurement
functions.
(1) Initiate an insulation test when the rotary switch is in
INSULATION( ) position. Causes the Tester to source
(output) a high voltage and measure insulation resistance.
(2) Initiate a resistance test when the rotary switch is in the
LoΩ position.
2. Description of the Instrument
P. 8
Button / Indicator Description
Backlight ON/OFF
(1)To turn on Backlight:
Press Backlight button once to turn on the Backlight. And it
will automatically turn o after 30 seconds.
Press and hold Backlight button for 2 seconds and it will
sound “beep” to keep “Backlight always ON”until Auto
power o.
(2)To turn o Backlight:
Press Backlight button once to turn o Backlight when it is
under “Backlight always ON”or “Backlight ON”.
Test lock. When pressed before the button, the
test remains active until you press the lock or test button
again to release the lock.
Hazardous voltage warning LED will be on when:
(1) > 2V or > 30 V (ac or dc depending on the rotary switch
position) is detected on the input.
(2) Insulation test is active.
(3) The “ ” symbol appears on the display
2. Description of the Instrument
P. 9
Symbol Description
Battery indication. The“ ” symbol appears when low battery.
Auto Power OFF indication.
Polarization index or dielectric absorption ratio test is selected.
Lo Ω lead zero is active.
Alternative or Direct source indication
Unsafe voltage warning.
Continuity measurement.
Greater than symbol.
Minus symbol
Measuring unit indication
Insulation test or LoΩ resistance measurement indicator.
Appears when test voltage is present.
Indicate an insulation or LoΩ resistance test is locked on.
Primary display
Secondary display
2.4. LCD Display:
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