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R
UDEY
OPERATING MANUAL
MRL-11
CONTACT RESISTANCE TESTER
WARNING
DANGER
Equipment to be used by trained personnel only
This operating manual contains instructions for the operation of a electrical tester. The
operator of this equipment must use good judgment and follow all safety precautions
noted in this guide to ensure the protection of him self and others in close proximity to the
test area. Failure to follow safety instructions could be dangerous.
Proper grounding of the tester must be done prior to connecting this tester to a power
source.
Engineered and manufactured in India by:
UDEYRAJ ELECTRICALS PRIVATE LIMITED
212-A, Hind Saurashtra Industrial Estate,
File name: RKG-UEPL-MRL-11
Revision: 01
Editor: RG
Date: 15-02-2014
Udeyraj Electricals Pvt. Ltd., Mumbai 400059 / Ph: + 91 22 66916181 / http://www.udeyraj.com / info@udeyraj.com
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Table of Contents
Summary of Contents for Udey MRL-11
- Page 1 Engineered and manufactured in India by: UDEYRAJ ELECTRICALS PRIVATE LIMITED 212-A, Hind Saurashtra Industrial Estate, File name: RKG-UEPL-MRL-11 Revision: 01 Editor: RG Date: 15-02-2014 Udeyraj Electricals Pvt. Ltd., Mumbai 400059 / Ph: + 91 22 66916181 / http://www.udeyraj.com / info@udeyraj.com...
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Page 2: Table Of Contents
Contact Resistance Tester MRL-11 Index Page No. Safety Power supply & environmental conditions Safety warning 5,16 1. INTRODUCTION 2. PRINCIPLE 3. ADVANTAGES 4. FEATURES 5. SAFETY 6. APPLICATIONS 7. DESCRIPTION 8. SPECIFICATION 9. CAUTION 10. PANEL LAYOUT & CONTROLS 11. CONNECTIONS 12. -
Page 3: Safety
Contact Resistance Tester MRL-11 TO SUPERVISOR IN CHARGE OF OPERATION If the operator does not read the language used in this manual, translate the manual into appropriate language. Help the operator in understanding this manual before operation. Keep the manual near the tester for easy access by the operator. -
Page 4: Power Supply & Environmental Conditions
Contact Resistance Tester MRL-11 Attention! POWER SUPPLY Supply voltage : 240 V AC Single Phase 50 Hz. Line fuse : 5 Amp Ac plug : 3 core mains cord with molded inlet and plug. Environmental conditions: Operating environment: 5 ~45°C... -
Page 5: Safety Warning
We do suggest that no less than two persons perform the test. Make certain that the MRL-11 is turned off and that voltage is completely discharged before removing the test leads. Cables can store charge if they are disconnected from the supply while high voltage is on. -
Page 6: Introduction
Thus the value is not the true value of the contact resistance. Model MRL-11 is a direct reading tester, and uses a test current of 100A DC, resulting in true value and accurate measurements. -
Page 7: Safety
UDEY MRL-11 is a new generation, fully automatic, 4 terminal line loop contact resistance tester. The entire test is done automatically and quickly. MRL-11 takes over; powers up the test current, takes the readings, and displays the results on the LCD screen. Prints test results through its built-in printer. -
Page 8: Caution
Contact Resistance Tester MRL-11 9.0 PRINTER: SP-e series dot printer is a new type of Panel mounted front-loading paper micro Printer. It is a kind of printing device, which can be easily mounted on any kind of instrument panel. It... -
Page 9: Panel Layout & Controls
Contact Resistance Tester MRL-11 10.0 PANEL LAYOUT & CONTROLS UDEY ..CONTACT RESISTANCE TESTER - MRL-series ..RS-232 Printer POWER 240V AC 50 Hz Display EXIT ENTER Refer manual before use www.udeyraj.com Udeyraj Electricals Private Limited, Mumbai-59. PCP-12-15 rev 03 POW ER: 3 pin socket for mains cord with plug and illuminated rocker switch for ON/OFF. -
Page 10: Connections
Contact Resistance Tester MRL-11 Attention! 11.O CONNECTIONS Connect ‘Rx’ with test leads per CORRECT CONNECTION diagram shown below: CORRECT CONNECTION WRONG CONNECTION 12.0 OPERATING INSTRUCTIONS: Ensure that connections to ‘Rx’ are proper and tight. Connect mains power supply and switch rocker switch ON. - Page 11 Contact Resistance Tester MRL-11 MEASURE IN ‘MEASURE’ mode: Select ‘Measure’ option by moving cursor to “Measure’ by key as per figure 3 below: Fast measure Measure Data Time Figure 3 Press ‘ENTER’ key, test starts and display is as figure ‘4’ below: 100A 1000.0...
- Page 12 Contact Resistance Tester MRL-11 TO RECALL SAVED DATA Press ‘Exit’ and display will be as figure ‘1’. Bring cursor by key and display is as figure ‘6’ below: Fast measure Measure Data Time Figure 6 Press ‘Enter’ and display is as figure ‘7’ below:...
- Page 13 Contact Resistance Tester MRL-11 TO SET TIME Go to start menu as per figure ‘1’. Bring cursor to ‘Time’ by key and display shows as figure ‘9’ below: Fast measure Measure Data Time Figure 9 Press ‘Enter’ key and the display is as figure ‘10’ below:...
- Page 14 Contact Resistance Tester MRL-11 15 : 33 Stop ing Figure 12 Now press ‘Enter’ to save setting of date and time. After pressing ‘Enter’ display goes back to starting menu as seen in figure ‘1’. PC OPTION: Bring cursor to ‘PC’ by key as figure ‘13’...
- Page 15 Contact Resistance Tester MRL-11 SERVICING / REPAIRS 13.1 No user serviceable parts inside. Hence refer servicing to qualified service personnel. 13.2 The manufacturer’s spare-parts and repairs division is: UDEYRAJ ELECTRICALS PRIVATE LIMITED 212-A, Hind Saurashtra Industrial Estate,...
- Page 16 Contact Resistance Tester MRL-11 Safety Safety symbol You will find this symbol with all safety precautions and warnings in this operating manual where danger to life and limb exists. Please follow these warnings and act particularly careful in these cases. All safety precautions and warnings need to be passed on to other users.
- Page 17 The training must be put on record. Maintenance and alterations of the tester are reserved to the manufacturer. (Unauthorized alterations endanger the safety). For checking, the UDEY tester can be sent (postage paid) to the manufacturer.
- Page 18 Attention! Range of application UDEY Contact Resistance Tester has been designed to be operated only within the range of application found under SPECIFICATIONS. This testing device may only be operated within the indicated range of application;...
- Page 19 Such modifications, mistakes and misprints do not imply a claim for damages. Furthermore, only original UDEY spare parts and accessories may be used. For any damage arising from non-observance of the instructions in this operating manual Udeyraj Electricals Pvt Ltd.,...
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Page 20: Warrantee :20
Contact Resistance Tester MRL-11 14.0 WARRANTEE UDEYRAJ ELECTRICALS PRIVATE LIMITED warrant to the original purchaser that this instrument is free from defects in material and workmanship under normal use or / and as specified in the instruction manual or product information leaflet for a period of one year from the date of purchase from the company or its Authorized Dealers / Franchisees. -
Page 21: Service Form
Contact Resistance Tester MRL-11 15.0 SERVICE FORM Please fill in the following form and return with instrument: Name+ address of customer: Serial # ; Bought from: Problem / fault observed: Details of use: [diagram of test set up and connections with DUT]...
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