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Megger MIT2500 CAT IV Insulation and Continuity Tester, 2500 V, 1 MΩ

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$2,504.88
SKU:
MIT2500
Condition:
New
Availability:
7 to 8 Weeks
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Megger MIT2500 CAT IV Insulation and Continuity Tester, 2500 V, 1 MΩ

$2,504.88
Megger MIT2500 Offers

Features

  • Insulation testing up to 2.5 kV and 200 GΩ range in a hand held instrument
  • Guard terminal for high resistance accuracy
  • Adjustable insulation test voltage from 50 to 2500 V
  • Stabilized insulation test voltage: The voltage is feedback-controlled to ensure it remains within specification throughout the full test range
  • Rechargeable options for mains and car charging
  • Single range, faster continuity testing from 0.01 Ω to 1 MΩ
  • Polarization Index (PI) and Dielectric Absorption Ratio (DAR)
  • CAT IV 600 V applications
  • 2% test voltage accuracy: The output test voltage is maintained within the tolerance of -0%, 2%, and 2 V
  • Test voltage display: The actual test voltage is displayed on the smaller digital readout, with the measurement on the larger digital display
  • Measurement range displayed: The range voltage is displayed during selection
  • Measurement voltage display: The measurement voltage is displayed during the test
  • Analog arc: The display also features an analog arc to replicate the response of a moving coil display
  • Timed testing: Automatically test to a time limit
  • 200 GΩ range: Insulation testing up to 200 GΩ at ≥1000 V
  • Insulation buzzer: The buzzer can be set to sound if the insulation resistance is above a user adjustable limit, configurable in the Setup menu
  • Test lock: Holds insulation test on continuously
  • Designed for the electrical and industrial markets
  • Test result storage and review and Bluetooth download
  • Live circuit detection and protection
  • IP54
  • Weatherproof: Every tester is sealed to IP54, providing a weatherproof case to reduce the chances of water ingress, including the battery and fuse compartment
  • Tough housing: Rubber over moulding combines the tough shock absorbing outer protection with excellent grip, on a strong modified ABS housing, providing an almost indestructible case
  • Storage and downloading results: Smooth Bluetooth and pairing procedures makes this tester easy to pair and download data and the test results are downloaded to a CSV file which can then be opened as an Excel spreadsheet

Test inhibit

  • Prevents testing if voltages in excess of 25, 30, 50, 75 or 100 V (set by the user) are detected when making insulation tests (default is 50 V)
  • 15 nF capacitance inhibit where testing above 1000 V to prevent hazardous charge developing on the circuit under test

Test ranges extend from 10 GΩ to 200 GΩ depending on test voltage as below

  • 50 V/10 GΩ
  • 100 V/20 GΩ
  • 250 V/50 GΩ
  • 500 V/100 GΩ
  • 1000 V/200 GΩ
  • 2500 V/200 GΩ
  • For voltages of 1000 V and above, or expected insulation values over 100 MΩ the guard terminal should be considered to reduce measurement error

Continuity (resistance) testing

  • Single resistance range: One range fully automatic from 0.01 Ω to 1 MΩ
  • Auto test current selection: Automatically uses the preferred test current for the load resistance under test
  • Bi-directional testing: Option for automatic bi-directional testing without reconnecting leads
  • Fast response time: Response time on contact buzzer has been reduced
  • 200 or 20 mA: Either 200 or 20 mA continuity test currents are available and 20 mA test current will considerably increase battery life
  • Lead null: Lead resistance compensation (NULL) operates up to 10 Ω of resistance
  • Buzzer: ON/OFF selected by simple push button
  • Buzzer limit: Continuity buzzer limit alarm provides adjustment of the maximum resistance the continuity buzzer sounds. This is adjustable from 1 to 200 Ω in 12 steps
  • Display PASS/FAIL (✓/✖) warnings: For use where buzzer indication may be disruptive

Insulation resistance testing

The feedback controlled insulation test voltage is now accurate to 2% -0% compared to the original 20%, providing a more accurate test voltage without the risk of over-voltage damage to circuits. A variable range allows the exact test voltage to be selected from 50 to 999 V in 1 V steps, (1 to 2.5 kV in 10 V steps) providing 1100 test voltage options

Variable insulation voltage

The variable mode provides a unique solution for awkward insulation voltage measurement applications. The range option allows an insulation test voltage from 50 to 999 V in 1 V steps, or 1 to 2.5 kV in 10 V steps.

Guard terminal

The guard terminal (G) is a third terminal on the connection panel. Connection of the guard terminal on certain applications provides a return path for parallel leakage currents that could otherwise create significant errors in the insulation measurement. This is especially so for surface contamination of equipment or cables.

Voltage measurement

True RMS voltage measurement to 600 V AC or DC with resolution from 0.1 mV.

  • Digital voltage measurement up to 600 V AC/DC
  • Automatic display of frequency during voltage measurement

Display

The display offers a combination of analogue arc and a dual digital readout:

Analog arc:

  • Full display width analogue arc
  • Arc display shows essential charge and discharge characteristics not visible on a digital display
  • Single pointer "needle" response has a similar response to a moving coil meter

Dual digital display:

  • Large main digital readout for good visibility of all main measurement results
  • Second digital display for additional data such as: Insulation test voltage, insulation leakage current, and supply frequency (when measuring volts)

Setup functions

  • Continuity buzzer limit alarms
  • Insulation buzzer limit alarms
  • Insulation LOCK
  • Insulation test timer duration
  • Back-light ON duration
  • Sleep timer
  • Continuity test currents
  • Factory reset

Batteries

Battery requirements are 6 x AA batteries of either standard alkaline or nickel metal hydride (NiMH) rechargeable type, providing a minimum of 3000 insulation tests at 1000 V. This tester is enabled for internal charging when used with the optional charging pack (sold seperately).

Safety

Designed to be exceptionally safe to use, fast detecting circuitry prevents damage to the instruments if accidentally connected to live circuits or across phases. Specifically, all instruments:

  • Meet the international requirements of IEC61010 and EN61557
  • Live circuit detection inhibits insulation testing on circuits above 25, 30, 50 74 or 100 V default (50 V)
  • Live circuit detection and test inhibit on continuity measurements
  • Default display of live circuit voltage on all ranges
  • Detection and inhibit functions even if the protection fuse has failed
  • Suitable for use on CAT IV applications and supply voltages to 600 V
  • Automatic capacitance detection to prevent hazardous charge

Applications

  • Commercial avionics
  • Military land, marine and air communications
  • Manufacturing/production line goods
  • Electrostatic measurement
  • Component testing
  • Battery-powered traction and lifting equipment
  • Single and three phase rotating machinery
  • Single and multi-core cable testing
  • Motor testing
  • Electrical and industrial markets


Megger MIT2500 Specifications

Specifications

Insulation
Accuracy50 V, 10 GΩ ± 2%, ±2 digits ±4% per GΩ100 V, 20 GΩ ± 2%, ±2 digits ±2% per GΩ250 V, 50 GΩ ± 2%, ±2 digits ±0.8% per GΩ500 V, 100 GΩ ± 2%, ±2 digits ±0.4% per GΩ1000 V, 200 GΩ ± 2%, ±2 digits ±0.2% per GΩ 2500 V, 200 GΩ ± 2%, ±2 digits ±0.2% per GΩService error: BS EN 61557-2 (2007)50 V, ± 2% ±2d, 100 to 900 kΩ ±10.5%100V, ± 2% ±2d, 100 to 900 kΩ ±10.3%250 V, ± 2% ±2d, 100 to 900 kΩ ±10.3%500 V, ± 2% ±2d, 100 to 900 kΩ ±10.3%1000 V, ± 2% ±2d, 100 to 900 kΩ ±11.5%
Guard Terminal Performance<5% error at 500 kΩ parallel circuit resistance with 100 MΩ load
Display RangeAnalogue: 1 GΩ full scale
Resolution0.1 kΩ
Short Circuit/Charge Current2 mA +0% -50% to EN 61557-2 (2007), except 2500 V
Terminal Voltage Accuracy-0%, 2%, ±2 V
Test Current1 mA at minimum pass value of insulation to a maximum of 2 mA maximum
OperationEN61557: 0.1 MΩ to 1 GΩ
Maximum Capacitive Load15 nF on tests above 1000 V
Leakage Current Display10% ±3 digits
Voltage±3% ±2 digits ±0.5% of rated voltage
Timer ControlCountdown timer 60 second (adjustable to 10 minutes)*Note: The "Insulation" specifications only apply when high quality silicone leads are being used.
Continuity
Measurement0.01 Ω to 1 MΩ (0 to 1000 kΩ on analog scale)
Accuracy±3% ±2 digits (0 to 100 Ω)±5% ±2 digits (100 Ω to 500 kΩ)Service error: BS EN 61557-4 (2007) - ±2%, 0.1 to 2 Ω ±6.8%
Open Circuit Voltage5 V ± 1 V
Test Current200 mA (–0 mA, 20 mA), 0.01 to 4 Ω
PolaritySingle polarity (default)/dual polarity (configurable on setup)
Lead ResistanceNull up to 10 Ω
General Specifications
VoltageRange:DC: 0 to 600VAC: 10 mV to 600 V TRMS sinusoidal (15 to 400 Hz) Unspecified: 0 to 10 mV (15 to 400 Hz)Accuracy: AC: ±2% ±2 digitsService error: BS EN 61557-1 (2007) - ±2% ±2d, 0 V 300 V AC/DC ±5.1%Waveform:Non-sinusoidal: ±3% ±2 digits >100 mV to 600 V TRMS ±8% ±2 digits 10 to 100 mV TRMSDefault voltmeter: ±0.5% ±1 digit (100 to 400 Hz) unspecified
FrequencyMeasurement range: 15 to 400 HzMeasurement accuracy: ±0.5% ±1 digits
Capacitance MeasurementCapacitance range: 0.1 nF to 10 µFAccuracy: ±5% ± 2 digits (1 nF to 10 µF)
Storage Capacity>1000 test results
Data DownloadBluetooth® wirelessBluetooth® Class II
RangeUp to 32.8' (10 m)
TemperatureOperating: 14 to 131°F (-10 to 55°C)Storage: -13 to 158°F (-25 to 70°C)Calibration: 68°F (20°C)Co-efficient:<0.1% per °C up to 1 GΩ<0.1% per °C per GΩ above 1 GΩ
Humidity90% RH at 104°F (40°C) maximum
Power Supply6 x 1.5 V cells type IEC LR6 (AA, MN1500, HP7, AM3 R6HP) alkaline 6 x 1.2 NiMH rechargeable cells may be used
Battery Life3000 insulation tests with duty cycle of 5 seconds ON /55 sec OFF at 1000 V into 1 MΩ
Maximum Altitude6561.68' (2000 m)
FuseUse only 2 x 500 mA (FF) 1000 V1.26 x 0.24" (32 x 6 mm) ceramic fuse of high breaking capacity HBC 30 kA minimum
Safety ProtectionThe instruments meet EN 61010- 1:2010 and EN 61010-2-030:2010 to 600 V phase to earth, Category IV. Refer to safety warnings supplied
EMCIn accordance with IEC 61326 including amendment No.1
IP RatingIP54
Dimensions9 x 4.25 x 2.32" (228 x 108 x 63 mm)
Weight1.13 lbs (815 g)In the case: 3.14 lbs (1.75 kg)*Note: All quoted accuracies are at 68°F (20°C)


What's included with the Megger MIT2500
  • Hand-Held Insulation and Continuity Tester
  • Red/Black/Blue Silicone Test Leads with Prods and Clips
  • 2.5 kV Red/Black/Blue Silicone Test Leads with Clips
  • Carrying Case
  • 6 x AA Alkaline Batteries
  • Owner's Information CD
  • Three-Year Warranty


Megger MIT2500 CAT IV Insulation and Continuity Tester, 2500 V, 1 MΩ. Get Free Shipping when you order today on EquipTestPro.com.
Shipping & Return Policy — EquipTestPro
Last Updated: February 1, 2026
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Shipping & Return Policy

Everything you need to know about orders, cancellations, refunds, and delivery.

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Section 01
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Rounding Policy: To align with the policies of our shipping carriers, all item weights are rounded up to the next full pound when calculating shipping costs.

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Section 01
Order Cancellation Rights

You are entitled to cancel your Order within 30 days of receipt without providing a reason, subject to the processing fee structure described below.

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Cancellation Processing Fees

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Customer-Initiated
10%

A processing fee of 10% of the total order value will be withheld from your refund to cover payment processing, handling, and administrative costs.

Company-Initiated (Item Unavailable)
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Refunds will be issued using the same payment method as the original purchase. No additional fees beyond those described above will be applied.

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