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Megger - MIT230, Insulation and continuity tester 250 / 500 / 1000 V, 1000 MΩ, 200 mA continuity, CAT III 600 V, COD MIT230-EN
DESCRIPTION
The Megger MIT200 series are among the most compact insulation testers available on the market today, and the MIT230 is the top model of the range, offering all three test voltages: 250 V, 500 V and 1000 V. The display combines a digital readout with an analogue arc using Megger’s patented DART technology, so it offers the clear, accurate readings of an LCD together with an analogue pointer response for evaluating circuit charge and discharge characteristics. The tough ABS housing is designed to withstand hard day-to-day use and is small enough to drop into a pocket or tool bag.
Insulation testing – auto-ranging insulation measurement from 10 kΩ up to 1000 MΩ on all ranges; automatic discharge ensures that circuits under test are safely discharged after the test, and the 1000 V range gives a high-voltage warning before the test voltage is applied.
Continuity testing – automatic continuity testing at >200 mA (autostart, no need to press the test button, so both hands are free for the probes), 0.01 Ω resolution up to 100 Ω, test-lead null up to 9.99 Ω and a continuity buzzer with a 2 Ω threshold for rapid cable and circuit identification.
Safety – a built-in voltmeter is automatically activated and displays the system voltage when the instrument is connected to a circuit above 25 V AC or DC; testing is inhibited on circuits above 50 V on both continuity and insulation ranges. Meets IEC 61010-1 CAT III 600 V and EN 61557. Battery requirements are 6 x AA (alkaline or NiMH rechargeable) with a four-segment battery-condition indicator; auto power-down after 10 minutes in standby.
APPLICATIONS
Testing of electrical installations (domestic and industrial, VDE 0413 / BS 7671), site maintenance and service departments, domestic appliances, power tools, transformers, motors, generators, switchgear, electrical panels and fixed wiring systems. Small size and light weight make it ideal for engineers who carry an insulation tester for extended periods.
KEY FEATURES
- Insulation test voltages 250 V / 500 V / 1000 V, measurement to 1000 MΩ
- Continuity testing at 200 mA down to 0.01 Ω, automatic (hands-free) start, test-lead null to 9.99 Ω
- Continuity buzzer with 2 Ω threshold
- Live-circuit warning (voltage display) and test inhibit above 50 V
- Digital display + analogue arc (DART), battery condition indicator, auto power-down
- Auto discharge after insulation test
- Alkaline or rechargeable NiMH batteries (6 x AA)
- –10 °C to +55 °C operating temperature, IP40
- CAT III 600 V, conforms to EN 61557
SPECIFICATIONS
| Insulation test voltages | 250 V, 500 V, 1000 V DC (nominal); terminal voltage −0 % / +25 % |
| Insulation range | 10 kΩ – 1000 MΩ on all ranges, auto-ranging |
| Test current on load | > 1 mA at minimum pass values (BS 7671, HD 384, IEC 364, VDE 0413) |
| Continuity range | 0.01 Ω – 100.0 Ω (0 – 50 Ω on analogue scale) |
| Continuity accuracy | 0.01 – 9.99 Ω: ±3 % ±2 digits; 10.0 – 99.9 Ω: ±5 % ±2 digits |
| Continuity test current / voltage | 205 mA (+10 / −5 mA); open circuit 5 V ±1 V |
| Zero offset (lead null) | 0 – 9.99 Ω |
| Continuity buzzer | < 2 Ω |
| Default voltmeter | 25 – 600 V AC/DC (50/60 Hz); ±1 % ±1 digit up to 450 V |
| Test inhibit | above 50 V |
| Auto power-down | after 10 minutes in standby |
| Fuse | 500 mA (F) 600 V, 32 x 6 mm ceramic HBC 50 kA |
| Safety | IEC 61010-1 CAT III 600 V phase-to-earth; EN 61557 |
| Operating temperature / humidity | –10 °C to +55 °C; 93 % RH at +40 °C max. |
| Storage temperature | –25 °C to +65 °C |
| IP rating | IP40 |
| Power supply | 6 x 1.5 V AA (LR6) alkaline or NiMH rechargeable; approx. 3000 tests |
| EMC | IEC 61326-1 |
| Dimensions / weight (instrument) | 195 x 98 x 40 mm / 530 g |
SUPPLIED WITH
- Test lead set and crocodile clips (1002-001)
- Carry case (1007-168)
OPTIONAL ACCESSORIES
- 1002-015 – fused test lead set (1 pair)
- 1007-166 – removable protective holster
- 6220-773 – carry pouch
Manufacturer order code: MIT230-EN
Documentation: Datasheet MIT200 series (EN)
Documentation: User guide MIT200 series (multilingual)
| Manufacturer | MEGGER |
|---|---|
| Manufacturer code | MIT230 |
| Order Unit | Pce |
| Display | Digital LCD + analogue arc (DART) |
| Battery type | 6 x 1.5 V AA (LR6) alkaline / NiMH |
| Dimensions | 195 x 98 x 40 mm |
| Product Weight | 530 g (instrument) |
| Maximum voltage | 1000 V DC test voltage; voltmeter to 600 V |
| Type | Insulation and continuity tester |
| Operating temperature | -10 °C to +55 °C |
| Humidity | max 93 % RH at 40 °C |





