Megger MIT1025 Скачать руководство пользователя страница 31

Страница: 31 / 32

Accessories, Equipment and Spares

Accessories (all models)

Part Number

Spare Li-ion Battery

1002-552

Included Accessories (all models)

Part
Number

User guide CD-ROM

Power lead

3 m leadset x 3, medium insulated clips

1002-531

Included Accessories (MIT525, MIT1025, MIT1525)

USB cable

25970-041

PowerDB Lite software

3 m leadset x 3, medium insulated clips
3 m leadset x 3, large insulated clips (MIT1025 only)
3 m 15 kV leadset x 3, 15 kV clip

1002-531
1002-534
1002-949

Optional Accessories

HV test lead sets

3 m leadset x 3, medium insulated clips

1002-531

3 m leadset x 3, large insulated clips

1002-534

3 m leadset x 3, bare clips

8101-181

8 m leadset x 3, bare clips

8101-182

15 m leadset x 3, bare clips

8101-183

Screened HV test lead sets

3 m, 5 kV screened un-insulated small clips

6220-835

15 m, 5 kV screened un-insulated small clips

6311-080

3 m, 10 kV screened un-insulated small clips

6220-834

10 m, 10 kV screened un-insulated small clips

6220-861

15 m, 10 kV screened un-insulated small clips

6220-833

Other

CB101, 5 kV Calibration Box

6311-077

Calibration Certificate - CB101

1000-113

UKAS calibration Certificate CB101

1000-047

Содержание MIT1025

Страница 1: ...MIT 515 MIT525 MIT1025 MIT1525 5 kV 10 kV 15 kV Insulation Resistance Testers USER MANUAL M...

Страница 2: ...nsulation testing in wet conditions might be hazardous It is recommended that this instrument is not used in these circumstances If this is unavoidable the user must take all necessary precautions Thi...

Страница 3: ...irective The crossed out wheeled bin symbol on the instrument and on the batteries is a reminder not to dispose of them with general waste at the end of their life Megger is registered in the UK as a...

Страница 4: ...lication 15 Battery indicator 15 On screen error reporting 16 Measurement Modes 17 Spot IR test 17 Timed IR test 17 DAR and PI Insulation Tests 17 Dielectric Discharge test 18 Step Voltage Test 19 Ram...

Страница 5: ...and over voltage tests PI DAR DD SV and ramp test Operate and charge on line power mains except during actual test Light weight Li ion battery CATIV 600 V safety rating MIT515 MIT525 MIT1025 CATIV 100...

Страница 6: ...g lamp 7 Backlight button 8 Central rotary switch 9 Save button MIT525 MIT1025 MIT1525 10 Test mode rotary switch 11 LED indicating line power mains 12 Display 13 Power socket 14 Functional earth term...

Страница 7: ...optimum battery life charge the battery after each use Full charge duration is up to 2 hours but a first charge time of 3 hours is advised The battery must be charged between 0 C and 40 C ambient tem...

Страница 8: ...dels have a backlight button A second rotary switch controls the insulation test mode providing for the following tests All models have basic insulation resistance IR timed insulation resistance IR t...

Страница 9: ...measured and displayed for AC voltages Voltmeter mode is activated by switching to V mode as illustrated Positive and negative terminals are used for the voltmeter function do not connect the GUARD t...

Страница 10: ...it is saved by pressing the OK button The setting does not change even if the instrument is switched off Alarm setting A low resistance alarm sounds when the resistance level of an insulator reaches...

Страница 11: ...ly noisy environments Should electrical noise be present it will cause a current to flow through the instrument s internal discharge resistors If this becomes excessive and exceeds instrument rating d...

Страница 12: ...period if not deactivated manually Memory functions and downloading Models MIT525 MIT1025 and MIT1525 have advanced storage recall and download functions to facilitate documentation of insulation test...

Страница 13: ...1 Hz from the IRT and displayed in real time on a graph e g a plot of current A versus voltage kV for the ramp test Before running a test where a real time output is required attach a PC running Power...

Страница 14: ...vided and enable the driver for the S1 MIT to be found via the internet or alternatively load the version supplied on the product CD if the PC being used has no access to the internet The instrument d...

Страница 15: ...on of the test Other functions include Save Selected To Form this soft key saves a selected test result in top right hand menu to the current form in PowerDB Lite Typically three tables are available...

Страница 16: ...hat the battery has failed On screen error reporting Should an error be detected during the operation of the MIT515 MIT525 MIT1025 or MIT1525 an error code is reported preceded by Err with the read ha...

Страница 17: ...sociated with it is calculated and displayed Time Constant TC Rinsulation x Cinsulation Timed IR test A timed test IR t will automatically terminate an insulation test after a preset time Default time...

Страница 18: ...test operates during the discharge of the dielectric under test Originally developed by EDF France s power utility company it is a diagnostic insulation test that allows ageing deterioration and void...

Страница 19: ...4 7 Questionable 2 4 Good 2 Homogenous 0 Step Voltage Test The SV test is a controlled overvoltage test that can be applied to stator and rotor windings on synchronous and asynchronous AC motors and...

Страница 20: ...ge ramp dV dt is 1 kV min which is the default for MIT525 MIT1025 and MIT1525 This value is user adjustable from the settings function with the mode rotary switch set to ramp Up and down buttons are u...

Страница 21: ...otal current flowing in an insulator The total current has four components capacitive current absorption current conductance current and leakage current In the case of dry insulation conductance curre...

Страница 22: ...tive terminal is at the same voltage as the guard terminal the leakage into the negative terminal will be considerably reduced This will improve accuracy because the current flowing into the negative...

Страница 23: ...remove the effect of this leakage particularly at high testing voltages a bare wire may be bound tightly around the insulation and connected via the third test lead to the guard terminal G The guard t...

Страница 24: ...ntains Lithium ion cells and should be replaced when it no longer holds a charge A new battery is available as a spare part from Megger Genuine Megger battery packs must be used Failure to use genuine...

Страница 25: ...1525 battery packs x 2 replacement instructions 1 Switch the instrument OFF and disconnect the AC supply measurement leads and all other equipment before opening the case to change the battery 2 Alway...

Страница 26: ...n 25 V steps MIT1525 5 kV to 15 kV in 25 V steps Accuracy 23 C from 1 M to MIT515 MIT525 5 to 1 T 20 to 10 T MIT1025 5 to 2 T 20 to 20 T MIT1525 5 to 3 T 20 to 30 T Guard positioned centrally on insul...

Страница 27: ...r 600 V to a maximum of 3 mA MIT1525 1 mA per 350 V to a maximum of 6 mA Voltmeter range 30 V to 660 V ac or dc 50 60 Hz Voltmeter accuracy 3 3 V Timer range Up to 99 minutes 15 second minimum setting...

Страница 28: ...condensing at 40 C Ingress protection IP65 lid closed IP40 lid open GENERAL SPECIFICATION Safety MIT515 MIT525 MIT1025 Meets the requirements of IEC 61010 1 CATIV 600 V to 3000 m Instrument must be o...

Страница 29: ...strument continues to provide the high standard of performance and workmanship you expect These facilities are complemented by a worldwide network of approved repair and calibration companies to offer...

Страница 30: ...30 Approved Service Centres A list of Approved Service Centres may be obtained from the UK address above or from Megger s website at www megger com...

Страница 31: ...ptional Accessories HV test lead sets 3 m leadset x 3 medium insulated clips 1002 531 3 m leadset x 3 large insulated clips 1002 534 3 m leadset x 3 bare clips 8101 181 8 m leadset x 3 bare clips 8101...

Страница 32: ...M This instrument is manufactured in the United Kingdom The company reserves the right to change the specification or design without prior notice Megger is a registered trademark Part No www megger c...

Результаты поиска

Содержание MIT1025

Отзывы:

Похожие инструкции для MIT1025

Бренды по названию

Популярные бренды

Megger MIT1025, Руководство пользователя

Результаты поиска

Содержание MIT1025

Отзывы:

Похожие инструкции для MIT1025

Бренды по названию

Популярные бренды