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The MIT420/2 adds additional features required for engineers working on more demanding applications. Functions such as PI and DAR, capacitance measurement and a greater range of test voltages increase the suitability for many applications.
The MIT420/2 adds additional features required for engineers working on more demanding applications. Functions such as PI and DAR, capacitance measurement and a greater range of test voltages increase the suitability for many applications.
This insulation tester features a variable range to allow any intermediate voltage from 10 V to 1000 V in 1 V steps, when testing specific test voltages that do not appear in the standard ranges is required. Continuity testing is now significantly faster, and a single autoranging 0.01 Ω to 1.0 MΩ function replaces the "ohms" and "kOhms" ranges. Retained are the 200 mA and 20 mA test options. The instrument is over-moulded for increased protection and has an IP54 weatherproof rating.
Features
Applications
| Test voltage | 50 V, 100 V, 250 V, 500 V, 1000 V |
| Display range | Analogue: 1 GΩ full scale |
| Resolution | 0.1 kΩ |
| Short circuit/charge current | 2 mA +0% -50% to EN 61557-2 (2007) |
| Open circuit voltage insulation | -0% +2% ± 2V |
| Test current | 1 mA at min. pass value of insulation to a maximum of 2 mA max. |
| Leakage | 10% ±3 digits |
| Voltage | 3% ±3 digits ±0.5% of rated voltage |
| Timer control | 60 second countdown timer |
| Continuity measurement | 0.01 Ω to 999 kΩ (0 to 1000 kΩ on analogue scale) |
| Open circuit voltage | 5 V ± 1 V |
| Test current | 200 mA (–0 mA +20 mA), (0.01 Ω to 4 Ω) |
| Polarity | Single polarity (Default) / Dual polarity (configurable on setup). |
| Lead resistance | Null up to 9.00 Ω |
| Voltage range | AC: 10 mV to 600 V TRMS sinusoidal (15 Hz to 400 Hz) DC: 0 to 600 V |
| Frequency measurement range | 15 Hz - 400 Hz |
| Frequency measurement accuracy | ±0.5% ± 1digit (100 Hz to 400 Hz unspecified) |
| Storage capacity | >1000 test results |
| Power supply | 6 x 1.5 V cells type IEC LR6 (AA, MN1500, HP7, AM3 R6HP) Alkaline 6 x 1.2 V NiMH rechargeable cells may be used |
| Battery life | 3000 insulation tests with duty cycle of 5 sec ON /55 sec OFF @ 1000 V into 1 MΩ |
| Test voltage | 50 V, 100 V, 250 V, 500 V, 1000 V |
| Display range | Analogue: 1 GΩ full scale |
| Resolution | 0.1 kΩ |
| Short circuit/charge current | 2 mA +0% -50% to EN 61557-2 (2007) |
| Open circuit voltage insulation | -0% +2% ± 2V |
| Test current | 1 mA at min. pass value of insulation to a maximum of 2 mA max. |
| Leakage | 10% ±3 digits |
| Voltage | 3% ±3 digits ±0.5% of rated voltage |
| Timer control | 60 second countdown timer |
| Continuity measurement | 0.01 Ω to 999 kΩ (0 to 1000 kΩ on analogue scale) |
| Open circuit voltage | 5 V ± 1 V |
| Test current | 200 mA (–0 mA +20 mA), (0.01 Ω to 4 Ω) |
| Polarity | Single polarity (Default) / Dual polarity (configurable on setup). |
| Lead resistance | Null up to 9.00 Ω |
| Voltage range | AC: 10 mV to 600 V TRMS sinusoidal (15 Hz to 400 Hz) DC: 0 to 600 V |
| Frequency measurement range | 15 Hz - 400 Hz |
| Frequency measurement accuracy | ±0.5% ± 1digit (100 Hz to 400 Hz unspecified) |
| Storage capacity | >1000 test results |
| Power supply | 6 x 1.5 V cells type IEC LR6 (AA, MN1500, HP7, AM3 R6HP) Alkaline 6 x 1.2 V NiMH rechargeable cells may be used |
| Battery life | 3000 insulation tests with duty cycle of 5 sec ON /55 sec OFF @ 1000 V into 1 MΩ |
