Related Manuals for DV Power RMO-H
Summary of Contents for DV Power RMO-H
- Page 1 Micro ohmmeter RMO-H Handheld Micro Ohmmeter RMO-H Manual RH00NN Manual Version: M- -300-EN This Manual refers to the firmware version 1.0x Publishing date: 2018-01-10...
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Page 2: Table Of Contents
Getting Started ..........................8 Connecting RMO-H to Test Object .................... 8 Connecting RMO-H to Circuit Breaker ..................9 Connecting RMO-H to Both Sides Grounded (BSG) Circuit Breaker ........11 Settings ........................... 12 Measuring with RMO-H ......................14 Measurement parameters ......................16 Error Messages .......................... -
Page 3: Introduction
Safety is the responsibility of the user. Before operating the RMO-H, please read the following safety instructions carefully. It is not recommended the RMO-H being used (or even turned on) without careful observation of the instructions listed in this Manual. The RMO-H should only be operated by trained and authorized personnel. - Page 4 1.1.2 Terms of Use • The RMO-H shall be used only if it is in a good technical condition. Its use shall be in accordance with local safety and industrial regulations. Adequate precautions must be taken to avoid any risks related to high voltages associated with this equipment and nearby objects.
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Page 5: Intended Use
Manual RMO-H • Do not use the RMO-H without the extra protective ground cables supplied with the RMO-H. It must never be operated in a non-grounded configuration as this may result in an electrical shock to the user or damage the RMO-H. Always establish this connection first before establishing any other connections and remove this connection as the very last one. -
Page 6: Description
Manual RMO-H 2 Description RMO-H is a handheld Micro Ohmmeter based on a state of the art technology, using the most advanced battery and switch mode technique available today. RMO-H is the battery supplied device, independent from the mains power supply. -
Page 7: Front Panel Components
Manual RMO-H 2.1 Front Panel Components Figure 2-2: Front panel components 1 – LCD Display 4 – Current output terminal (–) TFT LCD 2.8 in (43,2 mm x 57,6 mm / 1.8 in x 2.3 in) 2 – Keyboard 5 – Protective Earth Connector... -
Page 8: Getting Started
NOTE: Cables should be connected and removed to/from RMO-H device ONLY when the RMO-H is switched off. CAUTION: Always connect the measuring cables to the RMO-H first and then to the test object; and when disconnecting, always disconnect the cables from the test object first and after that from the RMO-H. -
Page 9: Connecting Rmo-H To Circuit Breaker
When testing high-voltage circuit breakers with RMO-H, a different cable’s length could be used. The short cable (red cable, 1,3 m) connects the RMO-H to the CB’s bushing which is closer to the test person and the device, while long cable (black cable, 3 or 5 m) is connected to the distant bushing on the other side of the breaking point. - Page 10 2. Longer test lead (current and voltage sense cables labeled with black color) When testing MV Circuit Breakers, it is convenient to use Current and Sense cables with Kelvin probes. Figure 3-3: Connecting RMO-H to circuit breaker using cables with Kelvin...
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Page 11: Connecting Rmo-H To Both Sides Grounded (Bsg) Circuit Breaker
Power (IBEKO Power AB) in Year 2011: “Main contact resistance measurement of a Circuit breaker with both sides grounded (BSG)”. The connection diagrams of the RMO-H device applied to both sides grounded circuit breaker is presented in the following figure. -
Page 12: Settings
Manual RMO-H Settings If the RMO-H device is turned ON for the first time, or some additional system settings are required, pressing the button will invoke the Settings menu, as illustrated below. In the Settings menu Memory, Limits, Time & Date, Language parameters can be modified. In addition, the Bluetooth option can be enabled/disabled. - Page 13 Using buttons UP/DOWN default value is 100 µΩ. When the device is turned off and then turned on, the RMO-H remembers the last saved setting of an Rmax value and a status. Once these parameters are defined, press to return to the Settings menu.
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Page 14: Measuring With Rmo-H
Manual RMO-H Setting Language To set RMO-H’s language, please use the buttons, and then button to select the Set UP/DOWN ENTER Language menu. Figure 3-9: The Language screen If the user is satisfied with the values, all the selections can be confirmed by pressing ENTER. - Page 15 Manual RMO-H Once a test is finished, the RMO-H automatically changes to the Result menu to display the test results. The Result menu provides the result memory location, measured resistance value, measured test current and voltage, as well as the parameters set for the test (set test current).
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Page 16: Measurement Parameters
Any operational error is indicated by an error status message. Error Message "SD Card Initiation Failed" The RMO-H device has a built-in SD card. The SD card is used to store internal device information and is not accessible to the user. -
Page 17: Error Message "Open Connection
The display will not show this as an error message. 4.3 Error Message "Open Connection" If one of RMO-H Current Cables ("+" or "-") is disconnected, from the test set or from the test object at the start or during the test, the error message "Open Connection" is displayed. -
Page 18: Troubleshooting
3. Check if the battery is charging (charging is illustrated in the battery symbol – upper right part of the display) 4. If it is not possible to turn ON the RMO-H, connect it to the charger and again try to turn ON the instrument. -
Page 19: Customer Service
Manual RMO-H Customer Service Before calling or sending an e-mail to Customer Service for assistance, please perform the following steps: 1. Check all cable connections. 2. Try the test on another instrument, if available. 3. Perform the troubleshoot procedure. 4. Have the following information available: •... -
Page 20: Packing The Instrument For Shipment
Manual RMO-H Packing the Instrument for Shipment If you need to send the instrument to DV Power for servicing, please contact the DV Power Customer Service for return instructions at: Local support (Sweden): +46 8 731 78 24 International support: +46 70 0925 000 E-mail: support@dv-power.com... -
Page 21: Technical Data
Manual RMO-H Technical Data Battery • 1 Cell – 5600 mAh Li-Po Type: (User replaceable) • Nominal voltage: 3,7 V • Recharge time: 2 hours AC Adapter • 90 – 264 V AC, 50/60 Hz Input voltage: • Output voltage: 12 V DC •... - Page 22 Manual RMO-H Display • Type: TFT LCD 2.8 in • Viewing Area 43,2 mm x 57,6 mm / 1.8 in x 2.3 in • Resolution: 320 x 240 pixels Real Time clock • Precision: ± 5 seconds per month •...
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Page 23: Instrument & Accessories
Manual RMO-H Instrument & Accessories Instrument with included accessories Article No Handheld Micro Ohmmeter RMO-H RMOHN00-N-00 - DV-Win PC software - Ground (PE) cable - Carrying belts Plastic transport case – small size Recommended accessories Article No Current and sense cables 1,3 m with TTA clamps (300 A rated) -
Page 24: Manufacturer Contact Information
Manual RMO-H IBEKO Power AB 2018 This Manual is a publication of IBEKO Power AB, 181 50 Lidingö, Sweden.These documents are protected by Swedish Copyright law and international contracts as intellectual property of the IBEKO Power AB. The documents contain confidential information of IBEKO Power AB which is protected by patent, copyright, trademarks or otherwise as inventions, trademarks or creations of IBEKO Power AB.
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