Related Manuals for Phenix MRM-100
Summary of Contents for Phenix MRM-100
- Page 1 User’s Manual Phenix Technologies Inc. MICRO-OHMMETER MODEL NUMBER MRM-100 Version 1.2 Rev 7/17/2018 nab MRM 100...
- Page 2 DANGER / GENERAL SAFETY PRECAUTIONS WARNING !! DANGER Complete Grounding of this unit is necessary for the safe operation of this equipment. Disconnect inputs before un- grounding this equipment MRM 100...
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Page 3: Table Of Contents
TABLE OF CONTENTS Section Number WARNING / GENERAL SAFETY PRECAUTIONS PRODUCT INFORMATION -SAFETY AND CAUTION NOTES -SPECIFICATIONS -INTRODUCTION / THEORY OF OPERATION CONTROLS AND INDICATORS ELECTRICAL SET-UP MRM MENU TREE STARTING SCREENS PERFORMING TESTS SAVED RESULTS SYSTEM SETUP OPERATING INSTRUCTIONS UNIT UNDER TEST METER CHECK MRM 100... - Page 4 TROUBLESHOOTING OPERATIONAL PROBLEMS STORAGE OF EQUIPMENT MAINTENANCE RECOMMENDED SPARE PARTS MRM-100 PARTS LIST PARTS ORDERING INFORMATION RETURNED MATERIAL ELECTRICAL DIAGRAMS MRM 100...
- Page 5 DANGER / WARNINGS GENERAL SAFETY PRECAUTIONS HIGH VOLTAGE This equipment is capable of providing POTENTIALLY LETHAL VOLTAGES! Improper operation or test practices may result in injury or death to the operator or surrounding personnel. The operation of High Voltage test equipment should only be performed by personnel familiar with HIGH VOLTAGE testing and safety procedures.
- Page 6 • DO NOT operate damaged equipment. Remove power, and do not use the equipment until safe operation can be verified by service-trained personnel. Phenix Technologies, Inc. assumes no liability for unsafe or improper use of test equipment. MRM 100...
- Page 7 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: 18C to 27C (64F to 81F) Operating Ambient Temperature: -7C to 45C (19F to 113F)
- Page 8 -20C to 57C (-4F to 135F) Dimensions: 16.5” W x 15.25” D x 11.25” H (419 mm W x 388 mm D x 286 mm H) Weight: Unit: 28.5 lbs. (13 kg) Cables/ Bag/Accessories: 19.5 lbs. (8.8 kg) MRM 100...
- Page 9 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 10: 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 11 3. RS-232 Port: This port allows communication with a Personal Computer for data acquisition and remote control, when supported by appropriate optional software. 4. LCD Display: This 4x20 Character display, shows all relevant information during testing and setup. 5. Keypad: This keypad is used to enter test parameters.
- Page 12 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 13: Electrical Set-Up
SECTION 3: 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. -
Page 14: Mrm Menu Tree
SECTION 4: MRM MENU TREE STARTING SCREENS MRM START UP SCREEN Press any key (except “Esc”) to proceed TEST OPERATOR ID SCREEN MRM 100... - Page 15 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. MRM MAIN MENU The following numbers are keyed to the screen shot above.
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Page 16: 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 MRM 100... - Page 17 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. If current as entered results in a level slightly below the minimum or slightly above the maximum allowed for test, entry can be changed by one amp steps to bring current level within specification.
- Page 18 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 19 1) This is the approximate current the test is run at. 2) This is the current being measured. This should ramp up to about the current shown on the first line. 3) If the test current is to be cut off, press the red “Stop” button on the keypad 4) This warns the user (along with the beeper and the red warning light) there may be a high current going through the test cables...
- Page 20 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” and “Esc” If “Enter”...
- Page 21 1) The first line will appear if the test has not yet been saved to memory 2) This reminds the user how the test can be saved. 3) To repeat the test at the same current and test ID, press “R”. 4) To run a different test press “Enter”.
- Page 22 TEST ABORTED SCREEN From here, pressing any key gives the following screen: ABORTED CONTINUANCE SCREEN MRM 100...
- Page 23 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. MRM 100...
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Page 24: 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. MRM 100... - Page 25 A test identifier typed in by the operator is also given. The screen can scroll between the different saved tests as well as give options to see or print the data. If “P” is pushed, complete information for the selected saved test is printed.
- Page 26 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. MRM 100...
- Page 27 MRM 100...
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Page 28: 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 29 5) E. Viewing and setting the current ramp rate. The ramp up/down speeds are approximately: -1- 10 Amp/sec -2- 15 Amp/sec -3- 25 Amp/sec -4- 35 Amp/sec -5- 55 Amp/sec 6) F. Company name or other desired information can be entered for display on printouts. If option “A”...
- Page 30 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 MRM 100...
- Page 31 Here the date can be modified per the instructions on the last line. To move around on the screen use the blue arrow keys on the keypad. If option “C” is pressed, the counter screen appears. UNIT COUNTER SCREEN This number will increment for every test performed, whether it is saved or not. MRM 100...
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Page 32: Operating Instructions
PHENIX TECHNOLOGIES MRM-100 Enter Space Start Stop UNIT UNDER TEST 1) Follow the Setup Instruction described in the “ELECTRICAL SETUP SECTION” TYPICAL UNIT UNDER TEST HOOK UP. 2) Turn On Power. - Page 33 3) Wait for the system to boot and press any key to continue. 4) Enter the operator ID if desired. Press “Enter” twice. 5) Press “1” in the Main Menu. 6) Enter the test ID information if desired. Press “Enter” twice. 7) Enter the test current desired.
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Page 34: Meter Check
PHENIX TECHNOLOGIES MRM-100 Enter Start Stop Space METER VERIFICATION HOOK UP 1) Follow the Setup Instruction described in the “ELECTRICAL SETUP SECTION”, using the supplied 100 Amp, 100 milliVolt current shunt. - Page 35 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.
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Page 36: Troubleshooting Operational Problems
SECTION 6: 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. -
Page 37: Storage Of Equipment
SECTION 7: 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 55C). In no case should the test unit be stored outdoors (unless previously specified in the original purchase agreement). -
Page 38: Maintenance
SECTION 8: 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. - Page 39 3) Insert new ribbon cartridge with paper inserted between exposed ribbon and cartridge body. 4) Remove slack from ribbon by turning thumb wheel in direction of arrow. Close cover. WARNING • Before inserting the paper, ensure it is cut evenly. •...
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Page 40: Recommended Spare Parts
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. In such cases, contact Phenix Technologies for a recommendation. -
Page 41: Mrm-100 Parts List
10-1 SECTION 10: MRM-100 PARTS LIST Phenix Qty. Stock # Designation Description 6911000 MRM-100 MECHANICAL ASSEMBLY 7911000 MRM-100 ELECTRICAL ASSEMBLY 1001226 DISPLAY LCD, MATRIX ORBITAL (20X4) 1001517 PRINTER RECEIPT PRINTER (CUSTOM-MYLOX) 1151200 PRINTER DB-25P SOLDER (81F5173) 1780025 1N4007 (1000VR,1.0A) 1151210 RS232 FA920 FEMALE SCREWLOCK –... - Page 42 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”...
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Page 43: 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 44: Returned Material
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 45: Electrical Diagrams
13-1 SECTION 13: ELECTRICAL DIAGRAMS Drawing Description Number 9901000 Sheet 1/2 MRM-100 Block Diagram 9901000 Sheet 2/2 MRM-100 Interconnect MRM 100...
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