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MIT410/2 - 50 V, 100 V, 250 V, 500 V and 1000 V + Polarization Index, Dielectric Absorption Ratio.
Insulation testing has been enhanced with feedback controlled test voltages to limit over-voltage to 2%, rather than the industry standard 10-20%.
A variable range has been added to allow any intermediate voltage from 50 V to 1000 V in 10 V steps, where application specific test voltages are required that do not appear in the standard ranges.
Continuity testing is how significantly faster, and a single auto-ranging 0.01 megohm to 1.0 megohm function replaces the "ohms" and "kOhms" ranges. Retained are the 200 mA and 20 mA test options.
Replacing the original MIT400 instruments the new units feature a redesigned case, back-stand, and 6 cell battery compartment with separate fuse access. All instruments are over-moulded for increased protection and achieve an IP54 weatherproof rating.
Features
Insulation Resistance Testing
The stabilized insulation test voltage is now accurate to +2% -0%. This compares to the industry standard +20%, providing a more accurate test voltage without the risk of over-voltage damage to circuits or components. The output voltage is maintained between 0 and 2% throughout the test range.
Where a non-standard test voltage is required, a variable range allows the exact test voltage to be selected from 10 V up to 1000 V. Subject to the same stabilized output control.
Applications
| Insulation test voltage | 50 V, 100 V, 250 V, 500 V, 1000 V |
| Resolution | 0.1 k? |
| Short circuit/charge current | 2 mA +0% -50% to EN 61557-2 (2007) |
| Open circuit voltage | -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 |
| Guard terminal performance | <5% error at 500 k? |
| Continuity measurement | 0.01 ? to 999 k? (0 to 1000 k? on analog scale) |
| Open circuit voltage | 5 V ± 1 V |
| Test Current | 200 mA (0 mA +20 mA) (0.01 ? to 4 ?) |
| Polarity | Single polarity (Default) / Dual polarity (configurable on setup). |
| Lead resistance | Null up to 9.00 ? |
| 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 | ±0.5% ± 1digit (100 Hz to 400 Hz) |
| Capacitance measurement | 100 pF to 10 ?F |
| Storage capacity | >1000 test results |
| Battery life | 3000 insulation tests with duty cycle of 5 sec ON /55 sec OFF @ 1000 V into 1 M? Charger (Optional): 12-15 V dc (accessory interface) |
| Temperature co-efficient | < 0,1% per °C up to 1 G?, < 0,1% per °C per G? above 1 G? |
| Dimensions | Instrument 228 mm x 108 mm x 63 mm (9.00 in x 4.25 in x 2.32 in) |
| Weight | 600 g (MIT400/2), (28.74 oz) |
| Insulation test voltage | 50 V, 100 V, 250 V, 500 V, 1000 V |
| Resolution | 0.1 k? |
| Short circuit/charge current | 2 mA +0% -50% to EN 61557-2 (2007) |
| Open circuit voltage | -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 |
| Guard terminal performance | <5% error at 500 k? |
| Continuity measurement | 0.01 ? to 999 k? (0 to 1000 k? on analog scale) |
| Open circuit voltage | 5 V ± 1 V |
| Test Current | 200 mA (0 mA +20 mA) (0.01 ? to 4 ?) |
| Polarity | Single polarity (Default) / Dual polarity (configurable on setup). |
| Lead resistance | Null up to 9.00 ? |
| 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 | ±0.5% ± 1digit (100 Hz to 400 Hz) |
| Capacitance measurement | 100 pF to 10 ?F |
| Storage capacity | >1000 test results |
| Battery life | 3000 insulation tests with duty cycle of 5 sec ON /55 sec OFF @ 1000 V into 1 M? Charger (Optional): 12-15 V dc (accessory interface) |
| Temperature co-efficient | < 0,1% per °C up to 1 G?, < 0,1% per °C per G? above 1 G? |
| Dimensions | Instrument 228 mm x 108 mm x 63 mm (9.00 in x 4.25 in x 2.32 in) |
| Weight | 600 g (MIT400/2), (28.74 oz) |
| Insulation test voltage | 50 V, 100 V, 250 V, 500 V, 1000 V |
| Resolution | 0.1 k? |
| Short circuit/charge current | 2 mA +0% -50% to EN 61557-2 (2007) |
| Open circuit voltage | -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 |
| Guard terminal performance | <5% error at 500 k? |
| Continuity measurement | 0.01 ? to 999 k? (0 to 1000 k? on analog scale) |
| Open circuit voltage | 5 V ± 1 V |
| Test Current | 200 mA (0 mA +20 mA) (0.01 ? to 4 ?) |
| Polarity | Single polarity (Default) / Dual polarity (configurable on setup). |
| Lead resistance | Null up to 9.00 ? |
| 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 | ±0.5% ± 1digit (100 Hz to 400 Hz) |
| Capacitance measurement | 100 pF to 10 ?F |
| Storage capacity | >1000 test results |
| Battery life | 3000 insulation tests with duty cycle of 5 sec ON /55 sec OFF @ 1000 V into 1 M? Charger (Optional): 12-15 V dc (accessory interface) |
| Temperature co-efficient | < 0,1% per °C up to 1 G?, < 0,1% per °C per G? above 1 G? |
| Dimensions | Instrument 228 mm x 108 mm x 63 mm (9.00 in x 4.25 in x 2.32 in) |
| Weight | 600 g (MIT400/2), (28.74 oz) |
