Mwongozo wa Mtumiaji wa Kipimaji cha Insulation na Mwendelezo cha Megger MIT400/2

Utangulizi

This user manual provides essential information for the safe and effective operation of the Megger MIT400/2 Insulation & Continuity Tester, model 1006-719. This versatile instrument is designed for a wide range of applications, including electrical installations, cable testing, motor testing, automotive diagnostics, ESD measurements, panel building, avionics, and general maintenance.

The MIT400/2 features enhanced insulation testing with feedback-controlled test voltages, limiting over-voltage to 2%. It also offers a variable voltage range from 250 V to 1000 V in 10 V steps for specific application requirements. Continuity testing is significantly faster, with an autoranging function from 0.01 ̑ to 1.0 M̑, and retains 200 mA and 20 mA test options. The redesigned unit boasts an over-moulded case for increased protection and an IP54 weatherproof rating.

Taarifa za Usalama

Always adhere to local and national safety regulations when using electrical test equipment. Failure to follow these safety guidelines may result in injury, damage to the instrument, or damage to the equipment under test.

Hakikisha kifaa kiko katika hali nzuri ya kufanya kazi kabla ya kutumia.
Do not use the tester if it appears damaged or if the battery compartment is open.
Always disconnect power from the circuit under test before making connections for insulation or continuity measurements.
Use only test leads supplied or recommended by Megger.
Be aware of live circuits and potential shock hazards.
Do not operate the instrument in wet conditions or explosive atmospheres.
Refer to the full safety instructions in the comprehensive manual for detailed precautions.

Bidhaa Imeishaview

Megger MIT400/2 Insulation and Continuity Tester front view

Kielelezo 1: Mbele view of the Megger MIT400/2 Insulation & Continuity Tester, showing the display, control buttons, and rotary selector switch.

The Megger MIT400/2 features a clear digital display for readings and settings. Key controls include:

Onyesha: Shows insulation resistance (G̑), voltage (V), and continuity (̑) readings. Includes an analog arc for quick visual indication.
TRMS Button: Toggles True RMS measurement mode.
Kitufe cha Mwangaza Nyuma: Activates or deactivates the display backlight for improved visibility in low-light conditions.
Kitufe cha Sauti: Controls audible alerts, such as continuity beepers.
TEST Button (Yellow): Initiates an insulation or continuity test.
Lock Button (Red): Locks the test button for continuous testing, useful for hands-free operation during insulation tests.
Rotary Selector Switch: Used to select the desired measurement function:
- M̑ (Insulation Resistance): Selects insulation test voltages (e.g., 250V, 500V, 1kV).
- V (Juztage): Hupima AC/DC ujazotage.
- BONYEZA: Powers off the instrument.
- ̑ (Continuity): Measures resistance and performs continuity checks.
- Wrench/Tool Icon: Indicates a special function or setting mode.

Sanidi

Ufungaji wa Betri

The MIT400/2 is powered by 6 AA batteries. The battery compartment is located at the rear of the unit and features separate fuse access.

Ensure the instrument is switched to the OFF position.
Tafuta kifuniko cha sehemu ya betri nyuma ya kitengo.
Fungua au fungua kifuniko na ukiondoe.
Insert 6 AA batteries, observing the correct polarity indicated inside the compartment.
Badilisha kifuniko cha sehemu ya betri na ukifunge vizuri.

Hundi za awali

Before first use, or after battery replacement, perform a quick functional check to ensure the unit powers on and the display is clear.

Maagizo ya Uendeshaji

Insulation Testing (M̑)

The MIT400/2 offers insulation testing up to 1000 V and 200 G̑ range with stabilized test voltage.

Turn the rotary selector switch to the desired M̑ voltage range (e.g., 250V, 500V, 1kV). A variable range allows intermediate voltages from 250 V to 1000 V in 10 V steps.
Connect the test leads to the circuit or component under test, ensuring proper polarity.
Press and hold the yellow JARIBU button to initiate the test. The display will show the insulation resistance.
For continuous testing, press the red Funga button after pressing JARIBU. Bonyeza JARIBU again to unlock.
Achilia JARIBU kifungo ili kusimamisha kipimo.

Continuity Testing (̑)

The instrument provides fast autoranging continuity testing from 0.01 ̑ to 1.0 M̑, with 200 mA and 20 mA test options.

Turn the rotary selector switch to the ̑ position.
Connect the test leads to the circuit or component.
The instrument will automatically display the resistance. If continuity is detected within the set threshold, an audible beep may sound (if enabled).
Tumia Sauti button to toggle the continuity beeper.

Voltage Kipimo (V)

Measure AC or DC voltage.

Turn the rotary selector switch to the V position.
Connect the test leads across the voltage chanzo.
Onyesho litaonyesha vol iliyopimwatage.
Bonyeza kwa TRMS button to toggle between True RMS and average sensing for AC voltage vipimo.

Onyesha Mwangaza nyuma

Bonyeza kwa Mwangaza nyuma button to illuminate the display for better readability in dimly lit environments. Press again to turn off.

Matengenezo

Kusafisha

Clean the instrument regularly with a damp cloth and mild detergent. Do not use abrasive cleaners or solvents. Ensure the unit is dry before storage or use.

Ubadilishaji wa Betri

When the low battery indicator appears on the display, replace all 6 AA batteries as described in the "Battery Installation" section. Always use fresh, high-quality batteries.

Ufikiaji wa Fuse

The MIT400/2 features separate fuse access within the battery compartment. Refer to the full service manual for fuse specifications and replacement procedures.

Urekebishaji

Your Megger MIT400/2 is calibrated prior to shipment and comes with a new NIST-traceable calibration certificate with data. This ensures the instrument meets manufacturer's specifications and is ready for use, meeting most quality system standards. Regular calibration by qualified personnel is recommended to maintain accuracy.

Kutatua matatizo

No Display/Unit Not Powering On: Check battery installation and ensure batteries are fresh. Verify the rotary switch is not in the OFF position.
Usomaji usio sahihi: Ensure test leads are properly connected and not damaged. Verify the correct measurement function is selected. Consider recalibration if issues persist.
Continuity Beeper Not Working: Check if the sound function is enabled using the Sauti kitufe.
Kitufe cha Jaribio Hakijibu: Ensure the unit is not in a locked state (check the red lock indicator).

For more complex issues, contact Megger customer support or a qualified service technician.

Vipimo

Kipengele	Vipimo
Nambari ya Mfano	1006-719
Mtihani wa insulation Voltage	Up to 1000 V (variable from 250 V in 10 V steps)
Safu ya Upinzani wa insulation	Up to 200 G̑
Safu ya Mwendelezo	0.01 ̑ to 1.0 M̑ (autoranging)
Continuity Test Current	200 mA and 20 mA options
Chanzo cha Nguvu	6 x Betri za AA
Ukadiriaji wa Kuzuia hali ya hewa	IP54
Vipimo (Takriban.)	Inchi 12.4 x 10.98 x 4.25
Uzito (takriban.)	Pauni 3
Rangi	Black, Gray, Red

Udhamini na Msaada

For information regarding product warranty, technical support, or service, please contact Megger directly. Refer to the official Megger website or your purchase documentation for contact details and warranty terms specific to your region.

Mtengenezaji: Megger

	Megger MIT400/2 Vijaribio vya insulation za CAT IV: Sifa, Maelezo, na Maombi Hifadhidata ya kina ya safu ya Megger MIT400/2 ya insulation ya CAT IV na vijaribu vya mwendelezo. Vipengele vya maelezo, vipimo, programu, usalama na ulinganisho wa mifano ya majaribio ya umeme na viwandani.
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	Megger ADVANCED Range 5 kV, 10 kV, 15 kV Vipimo vya Upinzani wa Insulation Gundua kiwango thabiti na cha kutegemewa cha Megger ADVANCED cha 5 kV, 10 kV, na Vijaribio vya Ustahimilivu wa Insulation 15 kV. Gundua vipengele vya kina kama vile RE> Hali ya Tekeleza kwa usahihi ulioimarishwa, kitabiri cha PI kwa ajili ya majaribio ya haraka, na sauti ya juu.taguwezo wa e hadi 30 TΩ. Imeundwa kwa ajili ya matumizi ya viwandani, majaribio haya hutoa usalama bora (uliokadiriwa na CAT IV) na uendeshaji angavu kwa ajili ya matengenezo na upimaji wa umeme wenye ufanisi.
	Mwongozo wa Kuanza Haraka wa Megger MIT485/2TC: Vol.tage, Uendelevu, na Upimaji wa Upinzani wa Insulation Mwongozo mfupi wa kuanza kwa kipima umeme cha Megger MIT485/2TC, unaoelezea taratibu za kupima ujazotage (AC/DC), mwendelezo, na upinzani wa insulation pamoja na michoro wazi ya muunganisho na muhtasari wa hali ya majaribio.
	Megger S1-568/2, S1-1068/2, S1-1568/2: Mwongozo wa Mtumiaji wa Vipimaji vya Upinzani wa Insulation vya DC vya Utendaji wa Juu Mwongozo kamili wa mtumiaji wa Vipimaji vya Upinzani wa Insulation vya Megger vya S1-568/2, S1-1068/2, na S1-1568/2 vyenye utendaji wa hali ya juu. Hushughulikia vipengele, uendeshaji, usalama, na vipimo vya kiufundi kwa ajili ya majaribio ya umeme ya viwandani.

Megger 1006-719

Megger MIT400/2 Insulation & Continuity Tester