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Megger MIT481-2 Insulation And Continuity Tester
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Brand:
Megger
Insulation Range:
50 V, 100 V, 250 V, 500 V
DC voltage Range:
10 mV to 600 V
AC voltage Range:
0 mV to 600 V TRMS
Capacitance Range:
0.1 nF to 10 μF
Continuity testing Range:
0.01 Ω to 1.0 MΩ
Leakage Current:
10% ±3 digits
Input Overload Protection:
The instruments meet EN 61010-1 (1995) to 600V phase to earth, Category IV.
Operating temperature:
-10 to +55 °C
Storage temperature:
-25 to +70 °C
Altitude:
2000 m
Dimensions:
228 mm x 108 mm x 63 mm (9.00 in x 4.25 in x 2.32 in)
Weight:
800 g (1.8 lb), 1.75 kg (3.86 lb) instrument and case)
Power:
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
Display:
Analogue: 1 GΩ full scale
Short Circuit Current:
2 mA +0% -50% to EN 61557-2 (2007)
Megger MIT481-2
The Megger MIT481-2 Insulation and Continuity Tester is a versatile and reliable tool designed for telecommunications and cable testing. Here are some key features and benefits:
Key Features
- High Insulation Test Range: The MIT481-2 offers insulation testing up to 500 V and can measure resistance up to 100 GΩ.
- Three-Wire Connection: It supports a three-wire connection for A, B, and E (Tip, Ring, and Ground/Earth), allowing for comprehensive testing without the need to disconnect test leads.
- Gated Voltage Access: This feature prevents accidental selection of high voltage, enhancing user safety.
- Rechargeable Options: The tester can be recharged using mains or car charging options, making it convenient for field use.
- Differential Measurement Capability: This allows for more accurate and reliable measurements.
- 600 V AC/DC Voltage Measurement: The MIT481-2 can measure both AC and DC voltages up to 600 V.
- Bluetooth® Data Transfer: This feature enables easy downloading and storage of test results.
- IP54 Rating: The tester is weatherproof, making it suitable for use in various environmental conditions.
Applications
- Telecommunications: Ideal for testing insulation and continuity in telecommunications cables.
- Cable Testing: Suitable for testing various types of cables in different environments.
- Field and Laboratory Use: Its rugged design and portability make it suitable for both field and laboratory environments.
The Megger MIT481-2 Insulation and Continuity Tester is an essential tool for professionals in telecommunications and cable testing, offering a combination of advanced features, safety, and convenience.
Megger MIT481-2 Specifications
| Nominal test voltage: | 50 V, 100 V, 250 V, 500 V |
| Insulation accuracy | 50 Volts: 10 GΩ ± 2% ± 2 digits ± 4.0% per GΩ |
| 100 Volts: 20 GΩ ± 2% ± 2 digits ± 2.0% per GΩ | |
| 250 Volts: 50 GΩ ± 2% ± 2 digits ± 0.8% per GΩ | |
| 500 Volts: 100 GΩ ± 2% ± 2 digits ± 0.4% per GΩ | |
| Service Error: BS EN 61557-2 (2007). | 50V: ± 2.0% ± 2d, 100kΩ - 900kΩ ± 10.5% |
| 100V: ± 2.0% ± 2d, 100kΩ - 900kΩ ± 10.3% | |
| 250V: ± 2.0% ± 2d, 100kΩ - 900kΩ ± 10.3% | |
| 500V: ± 2.0% ± 2d, 100kΩ - 900kΩ ± 10.3% | |
| Display range: | Analogue: 1 GΩ full scale |
| Resolution: | 0.1 kΩ |
| Short circuit/charge current: | Short circuit/charge current: 2 mA +0% -50% to EN 61557-2 (2007) |
| Open circuit voltage insulation: | 0% +2% ± 2 V |
| Test current: | 1 mA at min. pass value of insulation to a maximum of 2 mA max. |
| EN61557 Operating range: | 0.10 MΩ to 1.0 0GΩ |
| Leakage Current: | 10% ±3 digits |
| Timer control: | Countdown timer 60 second |
| Note: | Above specifications only apply when high quality silicone leads are being used. |
| Continuity | |
| Continuity range: | 0.01 Ω to 1.0 MΩ |
| Continuity accuracy: | ± 3% ± 2 digits (0 to 100 Ω); ±5% ±2 digits (>100 Ω- 500 kΩ); (>500 kΩ - 1 MΩ unspecified) |
| Service Error: | BS EN 61557-4 |
| (2007) - ± 2.0%, 0.1Ω - 2Ω ± 6.8% | |
| Open circuit voltage: | 5 V ± 1 V |
| Test current: | 200 mA (–0 mA +20 mA); (0.01 Ω to 4 Ω) |
| Lead resistance: | Nulling up to 10 Ω |
| Voltage range | |
| Voltage range AC: | 10 mV to 600 V TRMS sinusoidal (15 Hz to 400 Hz) |
| Voltage range DC: | 10 mV to 600 V |
| Volt range accuracy AC: | ± 2% ± 2 digits |
| Volt range accuracy DC: | ± 2% ± 2 digits |
| Service Error: | BS EN 61557 |
| Waveform: Unspecified range: | 0 – 10 mV (15 to 400 Hz) |
| additional specifications apply: | ±3% ± 2 digits >100 mV to 600 V TRMS; ±8% ± 2 digits 10 mV to 100 mV TRMS |
| Default voltmeter: | Operates at > 25 volts ac or dc on any range except OFF |
| Frequency | |
| Frequency measurement range | 15 Hz - 400 Hz |
| Frequency measurement accuracy | ±0.5% ± 1 digit |
| Capacitance measurement | |
| Capacitance range: | 0.1 nF to 10 μF |
| Accuracy: | ± 5.0% ± 2 digits ( 1 nF-10 μF) |
| Cable coefficient: | 40n F/ km to 70nF / km |
| Unit of measure: 50nF / km | 50nF / km |
| Result storage | |
| Storage capacity: | >1000 test results |
| Power supply |
|
| 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 @ 500 V into 500 kΩ |
| Charger (Optional) | 12-15 V dc (accessory interface) |
| Dimensions | 228 mm x 108 mm x 63 mm (9.00 in x 4.25 in x 2.32 in) |
| Weight: | 800 g |
| Weight (instrument and case): | 1.75 kg (3.86 lb) |
| Fuse: | Use only 2 x 500 mA (FF) 1000V 32 x 6 mm ceramic fuse of high breaking capacity HBC 30 kA minimum. Glass fuses MUST NOT be fitted. |
| Safety protection: | The instruments meet EN 61010 |
| EMC In accordance with IEC 61326 including amendment No.1 | |
| Temperature co-efficient: | <0,1% per °C up to 1 GΩ; <0,1% per °C per GΩ; above 1 GΩ |
| Environmental | |
| Operating temperature range and humidity: | -10 to +55 °C; 90% RH at 40 °C max. |
| Storage temperature range: | -25 to +70 °C |
| Calibration temperature: | +20 °C |
| Maximum altitude: | 2000 m |
| IP rating: IP 54 | IP 54 |
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Megger MIT481-2 Insulation And Continuity Tester
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