Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for METREL MI 3103
Summary of Contents for METREL MI 3103
- Page 1 GigaOhm 1kV MI 3103 User Manual Version 1.3, Code No.20 750 842...
- Page 2 Mark on your equipment certifies that this equipment meets the requirements of the EU (European Union) concerning safety and interference causing equipment regulations © 2005 METREL No part of this publication may be reproduced or utilized in any form or by any means without permission in writing from METREL.
-
Page 3: Table Of Contents
MI 3103 GigaOhm Table of contents 1. General introduction ---------------------------------------------------------------------------------4 1.1 Features ----------------------------------------------------------------------------------------------4 1.2 Applied Standards ----------------------------------------------------------------------------------4 2. Instrument description ------------------------------------------------------------------------------5 2.1 Instrument casing-----------------------------------------------------------------------------------5 2.2 Operator’s panel ------------------------------------------------------------------------------------5 2.3 Connectors -------------------------------------------------------------------------------------------6 2.4 Bottom section --------------------------------------------------------------------------------------7 2.5 Accessories ------------------------------------------------------------------------------------------7 3. Warnings and instrument messages -----------------------------------------------------------8 3.1 Warnings----------------------------------------------------------------------------------------------8... -
Page 4: General Introduction
MI 3103 GigaOhm General introduction 1. General introduction 1.1 Features The GigaOhm 1kV is a portable hand-held battery powered test instrument intended for testing of safety measures on mains installations. The equipment is designed and produced with the extensive knowledge and experience acquired through many years of dealing with electrical installation test equipment. -
Page 5: Instrument Description
MI 3103 GigaOhm Instrument description 2. Instrument description 2.1 Instrument casing The instrument is housed in a plastic casing, which maintains the protection class defined in general specifications. 2.2 Operator’s panel The operator’s panel consists of a custom LCD, a rotary switch, and a keyboard, see the figure below. -
Page 6: Connectors
MI 3103 GigaOhm Instrument description Legend: 1..Display. 2..TEST key to start any measurement. ON / OFF key. The instrument is automatically switched off if no action (changing rotary switch position or pressing any key) is taken for more than 10 minutes. -
Page 7: Bottom Section
5..Battery holder. 6..Fuse. 2.5 Accessories The instrument set consists of standard and optional accessories. Optional accessories can be delivered upon request. See attached list for standard configuration and options or contact your distributor or see the METREL home page: http://www.metrel.si. -
Page 8: Warnings And Instrument Messages
MI 3103 GigaOhm Warnings and Instrument messages 3. Warnings and Instrument messages 3.1 Warnings In order to reach the highest level of operator’s safety while carrying out various measurements and tests using the GigaOhm 1kV, as well as to ensure the test... -
Page 9: Instrument Messages
MI 3103 GigaOhm Warnings and Instrument messages 3.2 Instrument messages Messages are generated on the LCD using special symbols and numeric segment combinations. The next figure shows all possible display segments and the table under the figure describes the messages. -
Page 10: Measurements
MI 3103 GigaOhm Measurements 4. Measurements 4.1 Insulation resistance Warnings! Make sure that the item to be tested is disconnected (mains voltage disconnected) before starting the insulation resistance measurement! When measuring insulation resistance between conductors, all loads must be disconnected and all switches closed! ... -
Page 11: R 200Ma
MI 3103 GigaOhm Measurements How to carry out the measurement: Select Insulation resistance function with appropriate test voltage using the rotary switch knob. Connect test leads to the item to be tested in accordance with figure 5. Press the TEST key and read the displayed insulation resistance result. - Page 12 MI 3103 GigaOhm Measurements How to carry out the measurement: Select R 200mA function with the rotary switch knob. Make sure test leads are compensated, see the instructions in the chapter 4.4. Connect test leads to the tested item in accordance with figure 7.
-
Page 13: Rcon
MI 3103 GigaOhm Measurements 4.3 Rcon Rcon function is used when there are inductive loads to be tested, for example motor windings, transformers, etc, or if there is no need to follow prescribed standards. It can also be used as an ordinary multi-meter (resistance range). -
Page 14: Compensation Of Test Leads Resistance
MI 3103 GigaOhm Measurements 4.4 Compensation of test leads resistance In order to achieve high accuracy of test results it is advised to compensate resistance of the test leads before carrying out R 200mA and Rcon measurements. Especially it is advised to compensate test leads whenever the leads are changed for different ones. -
Page 15: Maintenance
MI 3103 GigaOhm Maintenance 5. Maintenance 5.1 Inspection To maintain operator’s safety and ensure reliability of the instrument it is good practice to inspect the instrument on a regular basis. Check that the instrument and accessories are not damaged. If any defect is found please consult service centre, distributor or manufacturer. -
Page 16: Fuse Replacement
MI 3103 GigaOhm Maintenance Legend: 1..Battery cover. 2..Serial number. 3..Fuse. 4..Battery. Notes! Insert cells correctly, otherwise test instrument will not operate and cells could be discharged, see the figure above for correct battery polarity! If the instrument is not used for a long period of time remove all batteries from the battery compartment. -
Page 17: Specifications
MI 3103 GigaOhm Specifications 6. Specifications 6.1 Measurements Insulation resistance Measuring range according to EN 61557-2 is 0.16 M 1999 M * Measuring range Insulation Resolution Accuracy (M ) (M ) Un: 500V, 1000V 0.00 1.999 0.001... - Page 18 MI 3103 GigaOhm Specifications Rcon Measuring range R Resolution Accuracy ( ) ( ) 0.0 199.9 (5 % of reading + 3 digits) 200 999 10 % of reading 1000 1999 Open-terminal test voltage: 4 V - 7 V DC Compensation of test leads (up to 5 ...
-
Page 19: General Specifications
MI 3103 GigaOhm Specifications 6.2 General specifications Power supply 6 V DC (4 × 1.5 V alkaline battery IEC LR14) Typical operating time >70 h Auto power off yes, approximately 10 min of no activity Dimensions (w × h × d)