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Megger MIT420/2
Catalog #: 1006-740
Megohmmeter / Insulation Resistance Testers - Type: Battery, IR Test Voltage: 100 V, Maximum Insulation Resistance: 200 G Ohms
- Overview
- Specifications
- Summary
- Accessories
Product Highlights
- MIT420/2 - 50 V, 100 V, 250 V, 500 V, 1000 V insulation tester + PI and DAR + CAT IV 600 V + storage and recall
- Stabilized insulation test voltage (New)
- Single range, faster continuity testing from 0.01 O to 1 MO (New)
- 600 V Trms AC and DC voltage measurement
- Live circuit detection and protection
- User variable insulation test voltage from 100V to 1000V (depending on model)
- Test result storage and Bluetooth® downloading, (depending on model)
- Rechargeable options for mains and car charging (depending on model)
- CAT IV 600 V & IP54
Each unit Includes
- 1 x Hard carry case
- 1 x Red/black test lead set with clips
- 6 x AA (LR6) batteries fitted
- 1 x Warranty card
- 1 x Calibration certificate
- 1 x Owners CD manual
- 1 x Quick start guide
| *All quoted accuracies are at +20° C. |
| 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. |
| Continuity |
| 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 |
| Resistance |
| 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 |
| Capacitance measurement |
| 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) |
| Result storage |
| Capacity |
>1000 test results |
| Download |
Bluetooth wireless |
| Bluetooth Class |
Class II |
| Range |
up to 10 m |
| Power |
| 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 |
| Dimensions |
| 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.) |
| Weight |
| 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 effects |
| Temperature coefficient |
<0.1Ω per °C up to 1 GΩ |
| Environmental |
| 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 |
| Micro / Milli / Meg Ohmmeters/Megohmmeter / Insulation Resistance Testers Template |
| Type |
Battery |
| IR Test Voltage |
1,000 V, 100 V, 250 V, 50 V, 500 V |
| Maximum Insulation Resistance |
200 G Ohms |
| Minimum Insulation Resistance |
0.01 Ohms (0.00000000001 G Ohms) |
| Variable Incremental Voltage |
Yes |
| Display (Megohmmeter) |
Digital |
| Continuity Test |
Yes |
| Live Circuit Voltage Detection |
Yes |
| Automated Test Results |
Dielectric Absorption Ratio, Dielectric Discharge, Leakage Current, Other, Step Voltage |
| Power Supply |
Battery |
| Timer |
Yes |
| CAT Rating |
IV |
| CAT Voltage |
600 V |
| Unique Features |
True RMS voltage measurement
– allows accurate voltage
measurement on noisy lines
Auto ranging voltage measurement
– automatically adjusts
range from millivolts to 600 V AC or DC, eliminating the
need to keep changing ranges
Live circuit warning
– automatically warns of contact to a
live circuit, voltage is displayed and testing is inhibited
Auto fuse warning
– warns of fuse failure automatically.
No need to test the fuse manually.
Buzzer select button
– enable or disable buzzer as required
with resistance also displayed on the screen |
| Warranty |
3 YEARS |
| Warranty Details |
Years 2 and 3 require free registration of the unit. |
| Calibration Included |
Factory Calibration |
| Power Supply Voltage |
Battery Powered |
| Data Logging |
Yes |
| Storage |
Internal Memory |
| IP Rating |
IP54 |
| Product Weight |
27.22 OUNCES (1.70 LBS) |
| Battery Type |
AA, NimH |
| Product Height |
2.32 IN |
| Product Length |
9.00 IN |
| Product Width |
4.25 IN |
| Shipping Weight |
2.7 LBS |
| ECCN Number |
EAR99 |
| HTS/Schedule B Number |
9030.33.3400 |
| Country of Origin |
United Kingdom |
| Shipping Height |
5 IN |
| Shipping Length |
20 IN |
| Shipping Width |
9 IN |
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