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Summary of Contents for Phenix Technologies MRM-100-V2
- Page 1 MRM-100-V2 Digital micro-ohmmeter User’s guide GF-XXXX © 2020 PHENIX TECHNOLOGIES. All rights reserved.
- Page 2 Safety Precautions Before to use this instrument the User Guide and Safety warnings must be read and understood. Safety procedures and rules for working near high voltage energized systems must be observed during the use of this equipment. The generated voltages and currents may be dangerous.
- Page 3 Used symbols Caution, refer to User Guide. Printer. USB (Universal Serial Bus). 30 V max. (to ground): indicates the maximum potential allowed in the terminals during resistance measurements. Warning, hot surface. Be careful when handling. Equipment complies with current EU Directives. Double insulation: symbol indicates that the equipment is classified as Class II (double isolated).
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Page 4: Table Of Contents
Index 1. Description......................7 1.1. Operating principle..................8 1.2. Use of test probes..................8 2. Control panel......................9 4. Settings and Adjustments..................12 5. Measurement.......................14 5.1. Manual mode....................17 5.2. Auto mode.....................17 5.3. Both Side Ground (BSG)................18 7. Printer........................19 8. Internal memory....................19 9. Software.......................20 9.1. PXLogger Software..................20 10. -
Page 5: Description
1. Description The MRM-100-V2 high-current micro-ohmmeter is a portable, digital instrument. It has optimized filters and protections for measurements in electrical substations. Can be used to accurately measure very low contact resistances of high voltage circuit-breakers and switches, busbars, etc., with test currents up to 100A. It employs the 4 terminals- method (U/I measuring principle) to avoid errors caused by test leads and their contact resistances. -
Page 6: Operating Principle
1.1. Operating principle This device uses the Kelvin Bridge architecture, with four terminals, avoiding testing leads resistance to cause error during measurement. The operator may choose test current and the reading is obtained by comparison through internal high-stability standards. The result appears in the alphanumeric display that is very easy to read. -
Page 7: Control Panel
2. Control panel Display. Fuse. Current terminal (C+). Power cord connector. Potential terminal (P+). Printer. Potential terminal (P-). Keyboard. Current terminal (C-). USB connector. Ground. Test current control. ... - Page 8 3. Display Alphanumeric LCD display where the measurement result, the corresponding measuring unit, the elapsed time since the measurement started and messages to the operator are displayed. Object test name NUMBER ONE Mode selected Timer MODE:NORMAL 01:15 Selected current I= 55A 02/01/20 16:18 Time...
- Page 9 3.1. Display messages When turning the equipment on using the PHENIX MRM-100-V2 On/Off switch, this introduction message MICRO-OHMMETER appears for a while. v.2.0.0 The equipment is carrying out some functional verifications. Main screen where a test can be started, NO NAME...
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Page 10: Settings And Adjustments
4. Settings and Adjustments This equipment has a MENU for settings and adjustments. To access the MENU, press the Selector / Adjust ( ), or press button. All navigation is performed through the and all panel keys are disabled, with the exception of the key that has the function to cancel and return to the initial screen. - Page 11 MENU SUBMENU DESCRIPTION SETUP TEST EDIT OBJECT NAME Allows write the name of the object under test, using the alphanumeric keyboard. TEST MODE Allows to select the test mode: MANUAL or AUTOMATIC. TEST CURRENT Allows to select the test current for Automatic Mode. TEST DURATION Allows to setup the test duration between Unlimited (there is not any pre-selected test duration) and...
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Page 12: Measurement
5. Measurement • The User Manual and its respective safety precautions must be read and understood before using the micro-ohmmeter. • The usual safety precautions and safety regulations must be strictly observed. • It should be checked that the item to be measured is voltage free. •... - Page 13 Turn on the device with the On / Off key ( The display of the equipment will show the presentation message MRM-100-V2. The AUTO VERIFICATION message will appear next and then PRESS START. Access the device's MENU using the button.
- Page 14 Upon completion of this process the display will indicate the measured resistance value, the elapsed time, the test current and (on BSG mode) the ground current. Display on AUTO or MANUAL mode Display on BSG mode The unit of measured resistance shall be expressed in Ω (ohms), mΩ...
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Page 15: Manual Mode
Caution: Never connect or disconnect the test leads with the equipment performing tests. If you have to make any changes to the connection, it must be done with the equipment in stand-by (not generating current) or turned off. 5.1. Manual mode In manual mode, the operator selects and adjusts the current value during the test, using the Access the device's MENU pressing the... -
Page 16: Both Side Ground (Bsg)
Use the to select ON, and pressing the to confirm. Exit the menu and start the test. 6. Protections MRM-100-V2 continuous time limited thermal considerations. Some internal sensors measure the temperature of the sensitive parts and trigger the protection that will cut the current circulation, if any of them exceeds the limit temperature, thus avoiding any damage. -
Page 17: Printer
7. Printer To print a result, press the key during a measurement. ATTENTION: Don’t pull the paper. The printer can be easily damaged. This printer uses 2.2” (57 mm) -wide thermal paper, which comes in a 1.18” (30 mm)-diameter reel. Precautions •... -
Page 18: Software
9. Software To install the USB drivers required for the communication between PC and equipment follow the instructions: Connect the equipment in the PC using the USB cable. If there is an available Internet connection, Windows will silently connect to the Windows Update website and install any suitable driver it finds for the device. -
Page 19: Remote Control
10. Remote control The Phenix Technologies equipment that have Bluetooth interface can be controlled remotely via an Android device running PHENIX Remote Control application. Minimum requirements - Android 4.4 KITKAT System or higher; - Bluetooth Communication. Pairing To perform the pairing between equipment and Android device, follow the procedure: To enable the Bluetooth, in screen “Applications”, tap "Settings"... -
Page 20: Replacement Fuse
Replacement fuse Precautions • Perform the procedures below with the equipment turned off. • Disconnect the equipment from the mains supply and remove the power cord. • Disconnect the test leads. • Disconnect the equipment from the mains, unplugging the power cord. •... -
Page 21: Technical Specifications
13. Technical specifications Test currents : 5 A up to 100 A (True DC). The test current can be set in steps of 0.2 A between 5 A to 20 A and steps from 1 A between 20 A to 100 A. Resistance ranges : 0.1 μΩ... - Page 22 Power supply : 100-240 V~ mains supply. Operating temperature : 32°F to 122°F (-0°C to 50°C) range Storage temperature range : 14°F to 158°F (-10°C to 70°C) Humidity range : 95% RH (non condensing) Weight : Approx. 24.25 lb (11 kg) Dimensions : 19.76"...
- Page 23 Notes...
- Page 24 Notes...
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