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Table of Contents
Troubleshooting
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Summary of Contents for Bartington PSU1
- Page 1 OM2443 PSU1 Power Supply Unit...
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Page 3: Table Of Contents
Functional Description ..............5 Power ..................5 Signal Buffering ..............5 Filtering ................. 5 PSU1 Inputs, Outputs and Controls ............6 Back Panel Connections and Controls .......... 6 Front Panel Controls ..............7 Installing the PSU1 ................8 Installing and Replacing the Internal Batteries......8 Initial charging of the battery cells .......... - Page 4 BARTINGTON INSTRUMENT Initial Settings ................12 Magnetometer output type selection ........ 12 Using the PSU1 ................... 13 Environmental Precautions ............13 Switching On and Off ..............13 Troubleshooting ................. 14 Troubleshooting (contd.) ..............15 Care and Maintenance ............... 16 Fuses ................... 16 Calibration ..................
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Page 5: How To Use This Manual
This document describes the installation, operation and maintenance of the PSU1 Power Supply Unit. Take the time to get well acquainted with your PSU1 by reading this manual. Knowing and understanding the equipment will ensure you experience the most reliable operation. -
Page 6: Applicability
BARTINGTON INSTRUMENT Applicability Caution: This manual applies only to the PSU1 Power Supply Unit. For the earlier Mag-03PSU, please use the manual supplied with that unit or visit the Bartington Instruments website to obtain a copy. If you require assistance locating the correct manual for your equipment, please contact the Bartington Instruments helpdesk. -
Page 7: Introduction To The Psu1
BARTINGTON INSTRUMENT Introduction to the PSU1 Summary The PSU1 provides a battery backed power supply of ±12 V for the Mag-03 series of three axis fluxgate magnetic sensors. It also contains filters for the analog outputs of the sensor. Functional Description Power The PSU1 will supply ±12V d.c. -
Page 8: Psu1 Inputs, Outputs And Controls
BARTINGTON INSTRUMENT PSU1 Inputs, Outputs and Controls Back Panel Connections and Controls X Signal Conditioned Output Y Signal Conditioned Output Z Signal Conditioned Output The three BNC connectors carry the conditioned analogue output voltages. The conditioned outputs are the magnetometer X, Y and Z signals after they have been modified by the low/high pass filters and, if a balanced output magnetometer is connected, converted to single-sided signals. -
Page 9: Front Panel Controls
BARTINGTON INSTRUMENT Front Panel Controls Magnetometer Output Type Selector Switch Balanced (out) Unbalanced (in) Caution: This switch must be set to match your magnetometer output type to ensure correct results (see Magnetometer output type selection) 7. DC/AC Coupling (High Pass Filter (HPF) Control) -
Page 10: Installing The Psu1
BARTINGTON INSTRUMENT Installing the PSU1 Installing and Replacing the Internal Batteries The battery cells for the PSU1 are not installed before shipping. To install the batteries cells for first use (or to replace defective cells) use the following procedure: Key: A –... - Page 11 BARTINGTON INSTRUMENT 3. Fully loosen screw B and the lid of the enclosure will lift due to the internal springs. 4. Lift the lid and place aside to gain access to the battery cell compartment. 5. Insert each cell into the compartment in turn. Always fit the negative end of the cell first. Press the cell back against spring pressure until the positive terminal can be located in the holder.
- Page 12 BARTINGTON INSTRUMENT 6. When all 5 cells are in place, locate the back edge of the lid in the enclosure 7. Tighten screws A and B in any order 8. To remove discharged or defective cells follow the above procedure Page 10 of 16 OM2443 ISSUE 1.0...
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Page 13: Initial Charging Of The Battery Cells
Note: The PSU1 can be used whilst charging the battery cells or directly from mains power without any battery cells being installed. However the outputs may carry some charger noise. Note: If the PSU1 is powered by the mains charger with no batteries cells installed, the charging LED may flash. This is normal and can be ignored. -
Page 14: Connecting The Equipment
Connect the equipment in the following sequence: 1. Ensure the ON/OFF switch, item 10, is OFF (position “0”). 2. Connect the magnetometer to the PSU1 magnetometer socket. Ensure the connector pins are correctly aligned with those in the socket. The locking ring should be hand-tightened only. -
Page 15: Using The Psu1
With the Power switch (item 10) ON (position “1”), the power LED (item 9) will be continuously lit (ON). Note: For best results, after switching on the power, leave the PSU1 for 20 minutes for the internal temperature to stabilise, before performing any measurements. -
Page 16: Troubleshooting
BARTINGTON INSTRUMENT Troubleshooting If the PSU1 exhibits unexpected behaviour, please check possible causes in the following table: Fault Possible Cause Solution No power output from Battery flat Recharge the PSU1 Battery expired Replace batteries and charge Battery not fitted Fit batteries and charge... -
Page 17: Troubleshooting (Contd.)
Return PSU1 and sensor to Bartington Instruments for repair PSU1 defective Return PSU1 and sensor to Bartington Instruments for repair If the solutions suggested above do not fix the fault, please contact the Bartington Instruments helpdesk. Page 15 of 16 OM2443 ISSUE 1.0... -
Page 18: Care And Maintenance
The PSU1 requires no routine maintenance. There are no user serviceable parts. Fuses As a safety feature the PSU1 is fitted with a thermal fuse. If the PSU1 overheats, which could occur as a result of the fitment of incorrect battery cells, the charging circuit will be permanently isolated. The PSU1 must be returned to Bartington Instruments for checks and repair.