Megger MIT430/2 Insulation Tester

Brand: Megger
SKU: 71093
Order code: 1004-740
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The Megger MIT430/2 is the flagship of the MIT400/2 range — a CAT IV 600 V insulation and continuity tester with 50–1000 V test voltages, insulation to 200 GΩ, PI/DAR, result storage and Bluetooth download.

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SERVICE AND REPAIRS MIT430

Specifications

PARAMETER SPECIFICATION
Insulation Resistance
Test voltages 50, 100, 250, 500, 1000 V DC
Max resistance 200 GΩ at 1000 V (±2% ±2 digits ±0.2% per GΩ)
Range and accuracy by voltage 50 V: 10 GΩ ±2% ±2 d ±4.0%/GΩ; 100 V: 20 GΩ ±2.0%/GΩ; 250 V: 50 GΩ ±0.8%/GΩ; 500 V: 100 GΩ ±0.4%/GΩ; 1000 V: 200 GΩ ±0.2%/GΩ (all ±2% ±2 digits)
Variable test voltage 10 V to 1000 V in 1 V steps
Service error (BS EN 61557-2:2007) ±2.0% ±2 d; 100 kΩ–900 kΩ: ±10.5% (50 V), ±10.3% (100/250/500 V), ±11.5% (1000 V)
Analogue display / resolution 1 GΩ full scale; 0.1 kΩ
Short-circuit / charge current 2 mA +0% −50% (EN 61557-2:2007)
Open-circuit voltage −0% +2% ±2 V
Test current 1 mA at minimum pass value of insulation, 2 mA maximum
Leakage / voltage accuracy Leakage 10% ±3 digits; voltage 3% ±3 digits ±0.5% of rated voltage
Timer 60 second countdown timer
Note Specifications apply only with high-quality silicone leads
Diagnostics PI and DAR timers
Memory / download Result storage + Bluetooth wireless download
Continuity
Test current 200 mA or 20 mA
Range 0.01 Ω to 1 MΩ (single auto range); buzzer limit 1–200 Ω
Continuity accuracy ±3% ±2 digits (0–100 Ω); service error BS EN 61557-4 (2007) ±2.0%, 0.1–2 Ω ±6.8%
Open-circuit voltage 5 V ±1 V
Test current tolerance 200 mA (−0 mA +20 mA) from 0.01 Ω to 4 Ω
Polarity Single (default) or dual, set in setup
Lead null Up to 9.00 Ω
Voltage & Safety
Voltage measurement DC 0–600 V; true-RMS AC 10 mV–600 V (15–400 Hz)
Voltage accuracy AC ±2% ±1 digit; DC ±2% ±2 digits; service error BS EN 61557-1 (2007) ±2.0% ±2 d, 0–300 V AC/DC ±5.1%
Non-sinusoidal waveforms ±3% ±2 digits >100 mV to 600 V TRMS; ±8% ±2 digits 10–100 mV TRMS (0–10 mV unspecified)
Frequency 15 Hz to 400 Hz, ±0.5% ±1 digit
Capacitance 1 nF to 10 µF, ±5.0% ±2 digits
Storage >1000 test results; Bluetooth® Class II download, range up to 10 m
Measurement category CAT IV 600 V
Ingress protection IP54
Standards EN 61010-1, EN 61557
Power & Physical
Battery 6 × AA alkaline or NiMH; ~3000 insulation tests at 1000 V
Battery life test cycle 5 s on / 55 s off at 1000 V into 1 MΩ
Charger (optional) 12–15 V DC (accessory interface)
Dimensions / weight 228 × 108 × 63 mm; 1.75 kg with case
Fuse 1 × 500 mA (FF) 1000 V, 32 × 6 mm ceramic HBC 10 kA minimum (glass fuses must not be fitted)
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