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Related Manuals for Phenix Technologies MRM-100
Summary of Contents for Phenix Technologies MRM-100
- Page 1 Users Manual Phenix Technologies Inc. MICRO-OHMMETER MODEL NUMBER MRM-100 Version 1.1 DK/ELL/LEO/slu May, 2004...
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Page 3: Table Of Contents
ELECTRICAL SET-UP MRM MENU TREE STARTING SCREENS PERFORMING TESTS SAVED RESULTS SYSTEM SETUP OPERATING INSTRUCTIONS UNIT UNDER TEST METER CHECK TROUBLESHOOTING OPERATIONAL PROBLEMS STORAGE OF EQUIPMENT MAINTENANCE RECOMMENDED SPARE PARTS MRM-100 PARTS LIST PARTS ORDERING INFORMATION RETURNED MATERIAL ELECTRICAL DIAGRAMS... -
Page 4: Product Information
5. Use care to avoid damaging the micro-ohmmeter during disassembly and re-assembly procedures. 6. This unit should only be operated by someone familiar with high current testing and safety procedures. Phenix Technologies, Inc. assumes no liability for unsafe or improper use of test equipment. -
Page 5: Specifications
Display: 4 X 20 LCD screen Computer Port: RS-232 ASCII Commands Memory: The MRM-100 can store up to 300 measurements in memory. Type of Cooling: Two cooling fans Uncertainty Temperature Range: 18°C to 27°C (64°F to 81°F) Operating Ambient Temperature: -7°C to 45°C (19°F to 113°F) - Page 6 10 Amps to 105 Amps to any resistive load that requires no more than 2.5 Volts across it to test. The MRM-100 does detect if the test is able to reach desired current, and allows for immediately stopping the test.
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Page 7: Controls And Indicators
Space Start Stop MODEL MRM-100 1. AC Line Cord Input Connector: Plug into a suitable grounded receptacle. See specifications for voltage and current requirements. 2. Main Power Switch: Turning the switch On / Off energizes or de-energizes the MRM. - Page 8 CONTROLS AND INDICATORS (Continued) 7. High Current Output Connection This receptacle is for connection of the high current output leads. 8. Output Energized Indicator: This indicator illuminates under any of the following conditions: a. A test is in progress. No test cables should be connected, disconnected or handled while this light is on. 9.
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Page 9: Electrical Set-Up
ELECTRICAL SET-UP Line / Generator Powered Operation Locate the desired location for the test set. Prepare the main power input cable for plugging into the proper facility or generator power. Leave plug unconnected at this time. Ensure that generator is properly grounded with facility ground or ground (earthing) rod. Measurement Lead Connection WARNING: Main power switch on front panel must be in the OFF position before proceeding. -
Page 10: Mrm Menu Tree
MRM MENU TREE STARTING SCREENS MRM START UP SCREEN Press any key (except “Esc”) to proceed TEST OPERATOR ID SCREEN Operator identification may be entered here and is shown on printouts as well as saved tests. Leave blank if not wanted for test. To delete the existing entry, move cursor to the left with left arrow and use delete key. -
Page 11: Performing Tests
PERFORMING TESTS TEST DESCRIPTION SCREEN Any information about the next test can be given here (up to 20 characters) TEST CURRENT SET-UP Any current from 10Amps to 105Amps (in one amp steps) can be entered here. The actual test current will vary somewhat from the entered current but will be close. - Page 12 READY FOR TEST SCREEN When “Enter” is pressed, the meter shows the following screen: This screen shows information about the test and how to begin. 1) This shows at what current the test will be at. 2) This displays the test ID information entered. 3) The green “Start”...
- Page 13 RESULT SCREEN This shows the measured resistance as well as the actual test current. The top line is shown only until “S” is pressed. The last line gives options as well as affirms these are the results. To return to the Main Menu from this screen, press “ENTER”...
- Page 14 TEST ABORTED SCREEN From here, pressing any key gives the following screen: ABORTED CONTINUANCE SCREEN This gives the user the option to retest the unit at the same current and test ID, or start a new test. Pressing “Esc” will return user to the main menu.
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Page 15: Saved Results
SAVED RESULTS Pressing “3” at the MRM Main Menu screen for “Saved Results’ produces the following screen SAVED RESULTS SCREEN Information provided by this screen is: 1) Saved test number, and 2) The day and time the test was performed. A test identifier typed in by the operator is also given. - Page 16 SAVED DATA SCREEN This gives the results of the saved test To return to the main menu, press “Esc” as appropriate. At some instances, “Enter” must be pressed before “Esc” is allowed.
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Page 17: System Setup
SYSTEM SETUP If “4” is pressed, one gets to the two screens (which can be toggled by the up/down arrows). SYSTEM SETUP SCREENS The six setup options are: 1) A. Viewing and setting the time for the meter 2) B. Viewing and setting the date for the meter 3) C. - Page 18 SET TIME SCREEN The “1” arrow shows the hours and minutes which can be changed. The meter can also give the time in AM/PM or 24 hour time. If option “B” is pressed the date screen appears. SET DATE SCREEN Here the date can be modified per the instructions on the last line.
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Page 19: Operating Instructions
PHENIX TECHNOLOGIES MRM-100 Enter Space Start Stop TYPICAL UNIT UNDER TEST HOOK UP. 2) Turn On Power. 3) Wait for the system to boot and press any key to continue. -
Page 20: Meter Check
9) The instrument will make a beeping sound and the “Warning: Test in Progress” light will come 10) Upon completing the test, the MRM-100 should give a result between 987 and 1013 micro- Ohms at 100 Amps or between 983 and 1017 micro-Ohms at 10 Amps. -
Page 21: Troubleshooting Operational Problems
Troubleshooting Operational Problems Higher than Expected Readings Resistance readings which seem higher than normal may be due to corroded terminals on the unit under test or on the measurement cables. The connections should be cleaned off and the test should be repeated. If the problem persists, follow the instructions in “OPERATING INSTRUCTIONS –... -
Page 22: Storage Of Equipment
STORAGE OF EQUIPMENT If the equipment will be stored for a prolonged period, the following precautions are recommended. The equipment should be covered and kept in a temperate, dry environment (non- condensing, -20 to 55°C). In no case should the test unit be stored outdoors (unless previously specified in the original purchase agreement). -
Page 23: Maintenance
MAINTENANCE CHANGING THE PAPER ROLL To change the paper roll, proceed as follows: (also see diagrams on underside of printer cover) 1) Open the printer cover and press down the swinging support of the print mechanism at the point marked PUSH. Remove empty paper reel. 2) Insert the end of the roll in the slit of the print mechanism. -
Page 24: Recommended Spare Parts
RECOMMENDED SPARE PARTS Phenix Technologies recommends that the customer purchase and stock the following parts for normal maintenance of the unit. The recommended quantity should be sufficient to support the unit during normal operation. If the unit will be operated at an isolated site for an extended period or will be subjected to unusual stresses, a larger quantity of parts should be stocked as spares. -
Page 25: Mrm-100 Parts List
INDUCTOR IND 500UH 2.0A 2350122 FAN 24VDC 30120002 OUTPUT/SENSE CABLE 30’, RED 30120003 OUTPUT/SENSE CABLE 30’, BLACK 31126610 PCB 1266 PCB 1266 MRM-100 MAIN BOARD 42000055 CONTROL PANEL 2100505 CASE CASE GH1415-RM-2 (01100531) 2101710 HANDLE, 10501-005, 3RU 40400079 CHASSIS PLATE 40400014 CHASSIS SPACERS, ½”... -
Page 26: Parts Ordering Information
When your purchase order is received at our office, a representative of Phenix Technologies will contact you to confirm the current price of the part being ordered. If a part you order has been replaced with a new or improved part, an Applications Engineer will contact you concerning any change in part number. -
Page 27: Returned Material
Serial Number Reason for Return Cause of Defect If Phenix Technologies, Inc. deems return of the part appropriate, it will then issue an "Authorization for Return". If return is not deemed advisable, other inspection arrangements will be made. NOTE: Material received at this plant without the proper authorization shall be held as "Customer's Property"... -
Page 28: Electrical Diagrams
13-1 ELECTRICAL DIAGRAMS Drawing Number Description 9901000 Sheet 1/2 MRM-100 Block Diagram 9901000 Sheet 2/2 MRM-100 Interconnect...
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