Megger MIT420/2 – Insulation and Continuity Tester
$788.00
Technical Specs
Megger MIT420/2 - Insulation and Continuity Tester Specs
| Insulation Nominal test voltages | 50 V, 100 V, 250 V, 500 V, 1000 V |
| Insulation resistance range | 200 GΩ |
| Range Full Scale Accuracy | 1000 volts ±3% ±2 digits ±0.2% per GΩ 500 volts ±3% ±2 digits ±0.4% per GΩ 250 volts ±3% ±2 digits ±0.8% per GΩ 100 volts ±3% ±2 digits ±2.0% per GΩ 50 volts ±3% ±2 digits ±4.0% per GΩ |
| Analog range | 1 GΩ full scale |
| Short Circuit Current | 2 mA +0% -50% |
| Terminal voltage | -0% +20% ±1 V |
| Test Current on load | 1 mA at min. pass value of insulation specified in BS7671, HD384and IEC364, 2 mA max. |
| EN61557 Operating range | 0.10 M½ to 1.00 GΩ |
| Leakage Current | 10% ±3 digits |
| Voltage display | 3% ±3 digits ±0.5% of rated voltage |
| Polarization Index (PI) | 10 min/1 minute ratio |
| Dielectric Absorption Ratio (DAR) | 60 sec/30 sec ratio |
| Notes | (1) All ranges measure from 0.00 M½ upwards. (2) Above specifications only apply when high quality silicone leadsare being used. |
| Measurement | 0.01 ½ to 99.9 ½ (0 to 100 ½ on analog scale) |
| Accuracy | ±3% ±2 digits (0 to 100 Ω) |
| Open circuit voltage | 5 V ±1 V |
| Test current | 200 mA (–0 mA +20 mA) (0.01 ½ to 9.99 Ω) 20mA (±1 mA ) (10.0 ½ to 99.9 Ω) |
| Zero offset at probe tips | 0.10Ω typical |
| Lead resistance zeroing | Up to 9.00 Ω |
| Buzzer | Variable limit 1Ω, 2Ω, 5Ω,10Ω, 20Ω |
| Measurement | 0.01 kΩ to 1000 kΩ (0 to 1 MΩ on analog scale) |
| Accuracy | ±3% ±2 digits Open circuit voltage 5 V ±1 V Short circuit current 20 µA ± 5 µA |
| Voltage range | 0 to 600 V d.c. ±2% ±2 digits 10 mV to 600 V TRMS sinusoidal (40 to 400 Hz) ±2% ±2 digits 0 to 1000 V on Analog scale Unspecified input level 0 - 10 mV (40 to 400 Hz) For non-sinusoidal waveforms additional specification apply: ±3% ±2 digits 101 mV to 600 V TRMS and ±8% ±2 digits 10 mV to 100 mV TRMS |
| Measurement range | 100 pF to 10 µF |
| Accuracy | ± 5.0% ±2 digits |
| Default Voltmeter | Operates at >25 V a.c. or d.c. on any range except OFF |
| Frequency | 40 - 450 Hz (40 Hz - 99.9 Hz) ±0.5% ±1 digit (100 Hz to450 Hz) |
| Capacity | >1000 test results |
| Download | Bluetooth wireless |
| Bluetooth Class | Class II |
| Range | up to 10 m |
| Power Supply | 5 x 1.5 V cells type IEC LR6 (AA, MN1500, HP7, AM3 R6HP) Alkaline NiMH rechargeable cells may be used. Battery life: 2200 insulation tests with duty cycle of 5 sec ON /55 sec OFF @ 1000 V into 1 MΩ |
| Instrument | 220 x 92 x 50 mm (8.66 in. x 3.63 in. x 1.97 in.) |
| Instrument and case | 456 x 178 x 89 mm (18 in. x 7 in. x 3.5 in.) |
| Instrument only | 590 gms (20.73 oz.), 775 gms (27.22 oz.) with boot |
| Instrument and case | 1.75kg (3.86 lb) |
| Fuse | Use only a 500 mA (FF) 1000 V 32 x 6 mm ceramic fuse of highbreaking capacity HBC 50 kA minimum. Glass fuses MUST NOT be fitted. |
| Safety Protection | The instruments meet EN 61010-1 (1995) to 600 V phase to earth, Category IV. Refer to safety warnings supplied. |
| E.M.C. | In accordance with IEC 61326 including amendment No.1 |
| Temperature coefficient | <0.1Ω per °C up to 1 GΩ |
| Operating range | -10 to +55° C |
| Operating humidity | 90% RH at 40° C max. |
| Storage temperature range | -25 to +70° C |
| Calibration Temperature | +20° C |
| Maximum altitude | 2000 m |
| Dust and water protection | IP54 Protected against dust and splashing water |
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