Industrial Insulation Testers Model: MIT410

Industrial Insulation Testers

 

工業絕緣測試儀

 

Model : MIT410

 

 

The MIT410 of insulation and continuity tester offers those working in electrical engineering, the electrical supply industry and in maintenance, repair and servicing of industrial equipment and manufacturing processes a convenient test instrument.

 

It is also very useful for the checking of the electrical system in hybrid and electric vehicles. the safety and comfort of a modern purpose designed instrument. 

 

 

* Specification

 

 

Insulation

 

Nominal test voltages

 

 

MIT410 50 V, 100 V, 250 V, 500 V, 1000 V

 

Insulation resistance range (at maximum test voltage)

 

MIT410 100 GΩ

 

Range Full Scale Accuracy

 

All ranges ±2% ±2 digits up to 100 MΩ.

 

Then:

 

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

 

10 volts ±3% ±2 digits ±2.0% per 100 MΩ

 

Analogue 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, HD384

 

and IEC364, 2 mA max.

 

EN61557 Operating range: 0,10 MΩ to 1,00 GΩ

 

Leakage current range 10 µA 2000 µA

 

Leakage current: 10% ±3 digits

 

Voltage display: 3% ±3 digits ±0.5% of rated

 

voltage

 

Polarisation Index (PI): 10 min / 1minute ratio

 

Dielectric Absorption Ratio (DAR): 60 sec / 30 sec ratio

 

Notes:

 

(1) All ranges measure from 0,00 MΩ upwards.

 

(2) Above specifications only apply when high quality silicone leads

 

are being used.

 

Continuity

 

Measurement: 0,01 Ω to 99,9 Ω (0 to 100 Ω on

 

analogue scale)

 

Accuracy: ±2% ±2 digits (0 to 100 Ω)

 

Open circuit voltage: 5 V ±1 V

 

Test current: 205 mA (±5 mA)

 

(0.01 Ω to 9.99 Ω)

 

20mA (±1 mA )

 

(10.0 Ω to 99.9 Ω)

 

 

Zero offset at probe tips: 0,10 Ω typical

 

Lead resistance zeroing: Up to 9.99 Ω

 

Buzzer: Variable limit 1 Ω, 2 Ω, 5 Ω,

 

10 Ω, 20 Ω

 

Resistance

 

Measurement: 0.01 kΩ to 1000 kΩ (0 to 1 MΩ

 

on analogue scale)

 

Accuracy: ±3% ±2 digits up to 50 kΩ

 

then ±5% ±2 digits

 

Open circuit voltage: 5 V ±1 V

 

Short circuit current: 1.5 mA ±0.2 mA

 

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 Analogue 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

 

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 to

 

450 Hz)

 

 

Result storage

 

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

 

Dimensions

 

Instrument: 220 x 92 x 50 mm (8.66 in. x 3.63 in. x 1.97 in.)

 

Instrument + case: 456 x 178 x 89 mm (18 in. x 7 in. x 3.5 in.)

 

Weight

 

Instrument only: 590 gms, 775 gms with boot (20.73 oz.

 

27.22 oz.)

 

Instrument plus case: 1.75kg (3.86 lb)

 

 

Fuse

 

Use only a 500 mA (FF) 1000 V 32 x 6 mm ceramic fuse of high

 

breaking capacity HBC 50 kA minimum. Glass fuses MUST NOT be

 

fitted.

 

Safety Protection

 

The instruments meet IEC 61010-1 to 600 V phase to earth, Category

 

1. Refer to safety warnings supplied.

 

E.M.C.

 

In accordance with IEC 61326-1

 

Temperature effects

 

Temperature coefficient: <0,1% per °C up to 1 GΩ

 

Environmental

 

Operating range: -20 to +55°C

 

Operating humidity: 95% RH at 0°C to +35ºC,

 

70% RH @ +35ºC to +55ºC

 

Storage temperature range: -30ºC to +80°C

 

Calibration Temperature: +20°C

 

Maximum altitude: 2000 m

 

Dust and water protection:

 

IP54 Protected against dust and splashing water

 

 

Service error

 

Insulation range ±15% ±2 digits

 

Continuity range ±26% ±2 digits

 

Resistance range ±12% ±2 digits

 

Voltage range ±10% ±2 digits

 

Capacitance range ±18% ±2 digits

 

Distance range ±18% ±2 digits

 

Frequency range ±5% ±2 digits

 

The Bluetooth word mark and logo are owned by the Bluetooth SIG, Inc. and

 

any use of such marks by Megger is under license.