Megger MIT525

Our Part No. MIT525

Mfr. Model MIT525

Catalog No. 1001-940

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Megger MIT525

Our Part No. MIT525

Mfr. Model MIT525

Catalog No. 1001-940

The Megger MIT525 (1001-940) Digital/Analog DC Insulation Resistance Tester offers IR, Timed IR, DAR, PI, DD, SV, and Ramp diagnostic test modes along with on-board memory and the ability to stream or download data to a PC or laptop. The PI predictor (PIp) function enables faster Polarization Index (PI) testing.

Max. Output Voltage: 5 kV
Max. Resistance Range: 10 TOhms
Short Circuit/Charge Current: 3 mA
Safety: IEC 61010-1, CAT IV 600V to 3000m

This product is available for shipping to the US, Canada, and Puerto Rico only.

Datasheet

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Key Features

PI predictor (PIp) function enables faster Polarization Index (PI) testing
Ideal for original equipment manufacturers/industrial companies
Five preset voltage ranges in insulation test mode
User-settable lock voltage range
IR, timed IR, DAR, PI, DD, SV, ramp diagnostic tests
Dedicated voltmeter function (30V to 660V) AC, DC
Resistance measurement up to 10 TOhms at 5 kV
High current of 3 mA short circuit current
High noise immunity of 3 mA noise rejection
Advanced memory, on-screen recall, real time clock for date/time stamped results
Download of on-board results via USB interface
Option to record temperature with saved test results (measured independently)
PowerDB Lite asset management software compatible
Ability to stream/download data to PC/laptop
All terminals safety rated to CAT IV 600V up to 3000m altitude
Large range of compatible test leads
Intuitive user interface with analog/digital display
Simple operation of 2 rotary switches
Large LCD backlight display enables multiple results to be displayed simultaneously
Graphical quick start guide provided inside lid to assist first time users
Tough dual case design
Outer case protects tester from knocks/drops
Fire retardant inner case
IP65 rating prevents moisture/dust ingress when storing/carrying instrument
Rapid-charge battery enables 60 minutes of testing after 30 minute charge
Li-ion battery offers 6 hours of continuous testing at 5 kV with 100M load
Battery meets IEC 2133 standards
Operates with flat battery from AC source

Specifications

Test Voltage: 250V, 500V, 1000V, 2500V, 5000V, User-defined test voltage
User-Defined Test Voltage: 40V to 1 kV in 10V steps, 1 kV to 5 kV in 25V steps
Maximum Output Voltage: 5 kV
Maximum Resistance Range: 10 TOhms
Digital Resistance Range: 10 kOhms to 15 TOhms at 5 kV
Analog Resistance Range: 10 kOhms to 10 TOhms
Short Circuit/Charge Current: 3 mA
Insulation Test Alarm: 100 kOhms to 10 GOhms
Capacitance Range (Test Voltage above 500V): 10 nF to 25 uF
Current Range: 0.01 nA to 6 mA
Interference: 3 mA from 450V to 5 kV
Voltmeter Range: 30V to 660VAC/VDC, 45 Hz to 65 Hz
Test Modes: IR, IR(T), DAR, PI, SV, DD, ramp test
Memory Capacity: 5.5 hours logging at 5 sec. intervals
Interface: USB type B (device)
AC Voltage (Auto-Ranging): 90 to 264Vrms, 47-63 Hz, 100A
Battery Life: 6 hours (typical) continuous testing at 5 kV with 100 MOhms load
Battery Charge Time: 2.5 hours deep discharge, 2 hours normal discharge
Maximum Altitude: 3000m
IP Rating: IP65 (lid closed), IP40 (lid open)
Safety: IEC 61010-1, CAT IV 600V to 3000m

Details

Megger Preventative Maintenance Solutions Promotion

The Megger MIT525 (1001-940) Digital/Analog DC Insulation Resistance Tester is a 5 kilovolt model instrument that is ideal for original equipment manufacturers and industrial companies. This model offers a full suite of test modes as well as on-board memory and the ability to stream or download data to a PC or laptop. Instrument productivity is the focus of the MIT525 in which rapid-charge batteries and operation from an AC source if the batteries are dead is offered. The rapid-charge batteries enables over 60 minutes of testing after a 30 minute charge.

The safety rating is not compromised on the MIT525 with all terminals safety rated to CAT IV 600V to 3000 meters of altitude. A range of test leads are available for use with this model. Suitably rated high-voltage gloves and other personal protection equipment are required to be worn when testing with this unit.

The MIT525 features a dual-case design and includes a tough outer case to protect the tester from knocks or drops along with an inner case that is fire-retardant. The IP65 rating when the case is closed works to eliminate moisture and dust ingress.

An intuitive user interface ensures that no time is lost on remembering how to use the tester. Simplicity of operation is achieved with two rotary switches and the large backlight display which enables multiple results to be shown simultaneously. A graphical quick start guide is provided inside the lid to assist first time users.

Five preset ranges are provided in the insulation test mode, along with a user-settable lock voltage range. The preconfigured diagnostic tests include Polarization Index (PI), Dielectric Absorption Ratio (DAR), Dielectric Discharge (DD), Step Voltage (SV), and Ramp Test.

Advanced memory storage includes time and date stamping of results, logging of data, and recall of results to the screen. A fully isolated type-B USB device interface is used for safe transfer of data to Megger's PowerDB/Pro, Advanced, and Lite asset management software.

PI Predictor Function (PIp)

The Polarization Index test can be time consuming with tests taking up to 30 minutes to complete along with multiple items needing to be tested. The PI Predictor Function (PIp) aids the user in saving precious time. The PIp uses the first part of the IR curve to predict the rest at 5 minutes into the test. This function can start as early as 3 minutes in the test and will stop once it is confident in the prediction.

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