Megger MIT405/2 - User Manual

MIT400/2 Series
Insulation and continuity testers
User guide

Summary

2. Safety Warnings

2.1 Safety Warnings

Important safety precautions and warnings for using the instrument.

Installation Category Definitions

Safety symbols marked on the instrument

8. Voltage and frequency measurements

8.1 For 2 terminal instruments and MIT2500

Procedure for measuring AC and DC voltage using 2-terminal connections.

8.2 For 3 terminal instruments (MIT481;2, MIT485;2 only)

8.2.2 Using 3 test leads

9. Insulation resistance testing

Safety notes

Critical safety precautions for performing insulation resistance tests.

9.1.1 Insulation testing

Step-by-step guide for performing insulation resistance tests on 2-terminal instruments.

9.1.5 Insulation test LOCK

9.3.1 DAR,

Procedure for performing Dielectric Absorption Ratio (DAR) measurements.

9.3.3 Timed tests:

9.1 Measurement for 2 terminal instruments and MIT2500

Procedure for measuring insulation resistance with 2-terminal instruments.

9.1.6 Leakage current

9.2 Variable voltage insulation testing (MIT430;2, MIT485;2, MIT2500)

Using variable test voltages for insulation testing on specific instrument models.

9.4 For 3 terminal instruments (MIT481;2, MIT485;2 only)

9.3 Polarisation Index (PI) and Dielectric Absorption Ratio (DAR) (MIT410;2, MIT420;2 MIT430;2, MIT2500, MIT415;2 and MIT417;2)

Performing automatic PI and DAR tests for insulation analysis.

10. Continuity testing 0

10.1 Measurement for 2 terminal instruments and MIT2500

Procedure for performing continuity tests using 2-terminal instruments.

10.2 Single or bi-directional testing

10.9 Visual fast continuity (Silent buzzer) mode

10.3 Test lead NULL

10.10 REL mode

12. Saving, recalling and downloading test results.

12.1 Saving test results

Procedure for saving test results to the instrument's memory.

12.2 Test results recall

How to recall stored test results from the instrument's memory.

12.3 Deleting test results

12.5 Procedure for pairing your MIT to the PC

Step-by-step guide for pairing the MIT instrument with a PC via Bluetooth.

12.6 Downloading data to the PC

Instructions for initiating and completing data download from the instrument to a PC.

12.2.1 PI and DAR recall.

12.4 Downloading test results

Preparing the instrument and PC for downloading test results via Bluetooth.

13. SETUP Configuration options

13.1 SETUP navigation

Guide to navigating and changing configuration options within the instrument's SETUP menu.

14. Technical Specifications

Insulation:

Technical specifications related to insulation testing, including voltage and accuracy.

Frequency:

Continuity:

Technical specifications related to continuity testing, including range and accuracy.

Capacitance measurment:

15. Battery and fuse replacement

15.1 Battery condition and replacement

Understanding the battery indicator and procedure for replacing batteries.

15.3 Blown fuse indicator

15.2 Procedure to replace batteries:

Step-by-step instructions for safely replacing the instrument's batteries.

15.4 Fuse replacement procedure

Step-by-step instructions for safely replacing fuses in the instrument.

16. Repair and warranty

Repair and warranty

Information on warranty coverage, repair procedures, and conditions for the instrument.

Calibration, Service and Spare Parts

Megger MIT405/2 Specifications

General

Test Voltage	50 V, 100 V, 250 V, 500 V, 1000 V
Safety Category	CAT IV 600 V
Short Circuit Current	200 mA
IP Rating	IP54
Accuracy	±2% ±2 digits
Display	Digital and Analog
Battery Type	6 x AA (IEC LR6)
Continuity Range	0.01 Ω to 100 Ω
Voltage Range	0 to 600 V AC/DC